Medicare Enrolled
Dr. Joo-Hyung Lee, MD
Rheumatology · Orange, CA
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Lee from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Lee
Dr. Joo-Hyung Lee is a rheumatology specialist in Orange, CA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Lee performed 193,037.5 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Lee received a total of $37,013 from 48 pharmaceutical and/or device companies across 1591 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Lee is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 20 years of NPI registration
▲ Top 3% volume in CA
$37,013 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗193,037.5
Medicare services
Top 3% in CA for rheumatology
Not available
Unique patients (not deduplicated)
$8
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Certolizumab injection (Cimzia) An injection of certolizumab pegol administered under the direct supervision of a physician. |
106,400 | $4 | $15 |
| Romosozumab injection (Evenity) for osteoporosis | 35,920.5 | $8 | $10 |
| Denosumab injection (Prolia/Xgeva) | 14,220 | $19 | $25 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
3,192 | $107 | $150 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
1,756 | $3 | $3 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
1,740 | $8 | $11 |
| High-sensitivity C-reactive protein test A blood test that measures high-sensitivity C-reactive protein to detect infection or inflammation. |
1,710 | $13 | $18 |
| Erythrocyte sedimentation rate (ESR) test A blood test that measures how quickly red blood cells settle in a test tube to detect inflammation in the body. This specific method is performed manually rather than using an automated machine. |
1,685 | $4 | $5 |
| Amylase enzyme level test A blood test that measures the amount of amylase, an enzyme produced by the pancreas and salivary glands, to help evaluate pancreatic health. |
1,643 | $6 | $8 |
| Blood creatinine level test A blood test that measures the amount of creatinine, a waste product from muscle wear and tear, to help assess kidney function. |
1,643 | $5 | $7 |
| Total protein level | 1,643 | $6 | $6 |
| Blood urea nitrogen test A blood test that measures the amount of urea nitrogen to assess kidney function. |
1,643 | $4 | $5 |
| Albumin level test A blood test that measures the amount of albumin, a protein made by the liver, in your body. |
1,642 | $5 | $6 |
| Alkaline phosphatase level test A blood test that measures the level of alkaline phosphatase, an enzyme found in the liver and bones. |
1,642 | $5 | $6 |
| Liver enzyme (SGOT) level test A blood test that measures the level of the liver enzyme SGOT to help assess liver health. |
1,642 | $5 | $6 |
| Total bilirubin level test A blood test that measures the total amount of bilirubin, a waste product from the breakdown of red blood cells, in your body. |
1,641 | $5 | $6 |
| Liver enzyme (SGPT) level test A blood test that measures the level of the liver enzyme SGPT to assess liver function. |
1,641 | $5 | $6 |
| Blood glucose level test A test that measures the amount of sugar in your blood. |
1,622 | $4 | $5 |
| Glutamyltransferase (GGT) level test A blood test that measures the level of the liver enzyme glutamyltransferase (GGT) to help evaluate liver health. |
1,621 | $7 | $9 |
| Autoimmune disorder antibody test A laboratory test that measures antibodies in the blood to help assess for autoimmune disorders. |
1,407 | $18 | $25 |
| Joint lubricant injection (Synvisc) | 1,296 | $8 | $16 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
1,125 | $12 | $51 |
| Immunoassay substance analysis, multiple step method A laboratory test that uses an immunoassay technique to analyze a substance. The process involves multiple steps to detect or measure the target material. |
528 | $11 | $14 |
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
390 | $1 | $2 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
350 | $29 | $41 |
| Autoimmune disorder screening test A laboratory test used to screen for the presence of autoimmune disorders. |
276 | $12 | $17 |
| Rheumatoid factor level | 263 | $6 | $8 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
260 | $51 | $85 |
| X-ray of hand, minimum of 3 views An X-ray imaging test of the hand that captures at least three different angles to visualize the bones and joints. |
258 | $28 | $37 |
| Rheumatoid arthritis antibody test A blood test to measure antibodies used in assessing rheumatoid arthritis. |
255 | $13 | $18 |
| Measurement of dna antibody, single stranded | 204 | $12 | $17 |
| DNA antibody test (native or double-stranded) A blood test that measures the level of antibodies targeting native or double-stranded DNA. This test is used to detect the presence of these specific antibodies in the body. |
200 | $13 | $19 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
187 | $136 | $200 |
| Tuberculosis test, enumeration of t-cells A blood test that counts T-cells to help detect tuberculosis infection. |
181 | $98 | $150 |
| Knee X-ray, 4 or more views An imaging test using X-rays to create multiple pictures of the knee joint from different angles. |
138 | $36 | $47 |
| Uric acid level test A blood test that measures the level of uric acid in your body. Uric acid is a waste product formed when the body breaks down purines. |
134 | $4 | $7 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
128 | $75 | $110 |
| Foot X-ray, 3+ views An X-ray imaging test of the foot that captures at least three different views to evaluate the bones and joints. |
103 | $27 | $34 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
80 | $3 | $4 |
| Shoulder X-ray, 2+ views An X-ray imaging test of the shoulder joint using at least two different angles to visualize the bones and surrounding structures. |
73 | $26 | $34 |
| Joint fluid aspiration or injection, medium joint Removal of fluid from a medium-sized joint or injection of medication into the joint space. |
69 | $45 | $70 |
| Joint fluid aspiration or injection, small joint Removal of fluid from a small joint or injection of medication into a small joint. |
62 | $39 | $65 |
| X-ray of lower and sacral spine, minimum of 4 views An X-ray imaging test of the lower back and sacrum using at least four different angles to visualize the bones and joints. |
57 | $44 | $57 |
| Cardiac enzyme level (CK-MB) test A blood test that measures the total level of creatine kinase, specifically the cardiac enzyme fraction, to help evaluate heart muscle damage. |
56 | $6 | $8 |
| X-ray of upper spine, 4-5 views An X-ray imaging test of the upper spine using 4 to 5 different views to visualize the bones and structures in that area. |
44 | $49 | $65 |
| Hip X-ray, 2-3 views An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures. |
42 | $37 | $50 |
| Electromyography of arm or leg muscles A test that measures the electrical activity in the muscles of the arm or leg using a needle electrode. It helps evaluate the health of muscles and the nerve cells that control them. |
37 | $86 | $122 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
24 | $141 | $205 |
| Wrist X-ray, minimum 3 views An imaging test using X-rays to capture at least three different angles of the wrist bones and joints. |
23 | $33 | $42 |
| Nerve conduction studies, 13 or more A diagnostic test that measures how well nerves send electrical signals. This code applies when 13 or more individual nerve studies are performed. |
23 | $253 | $400 |
| Quadrivalent influenza vaccine, cell culture-derived A flu shot that protects against four strains of the influenza virus. It is produced using cell culture technology rather than traditional egg-based methods. |
21 | $32 | $35 |
| Liver function blood test panel | 17 | $8 | $11 |
| Chest X-ray, 2 views An X-ray imaging test of the chest that captures two different angles to visualize the lungs, heart, and chest wall. |
15 | $30 | $50 |
| Ankle X-ray, minimum 3 views An X-ray imaging test of the ankle that captures at least three different angles to evaluate the bones and joints. |
15 | $29 | $37 |
| Trigger point injection, 1-2 muscles A procedure involving the injection of medication into one or two specific muscles to treat trigger points. |
14 | $46 | $63 |
| X-ray of middle spine, 2 views An X-ray imaging test that produces two views of the middle section of the spine to visualize the bones and joints. |
14 | $30 | $45 |
| Tendon injection at attachment site A procedure involving the injection of medication into a tendon where it attaches to bone or muscle. |
11 | $48 | $69 |
| Nerve conduction study, 9-10 studies A diagnostic test that measures how well nerves send electrical signals. It involves performing 9 to 10 separate nerve conduction studies to evaluate nerve function. |
11 | $188 | $275 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
Industry Payment Transparency
Open Payments through 2024 ↗$37,013
Total received (2018-2024)
Avg $5,288/year across 7 years
Top 12% in CA for rheumatology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
48
Companies
1,591
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →
Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$12,375
2023
$5,018
2022
$4,026
2021
$3,400
2020
$3,442
2019
$4,400
2018
$4,352
Payments by company (2024)
Amgen Inc.
$7,619
ABBVIE INC.
$914
Lilly USA, LLC
$574
Janssen Biotech, Inc.
$529
UCB, Inc.
$361
Novartis Pharmaceuticals Corporation
$318
PFIZER INC.
$288
GlaxoSmithKline, LLC.
$282
ANI Pharmaceuticals, Inc.
$224
Radius Health, Inc.
$196
E.R. Squibb & Sons, L.L.C.
$195
Boehringer Ingelheim Pharmaceuticals, Inc.
$160
Phathom Pharmaceuticals, Inc.
$139
Organon Llc
$102
Aurinia Pharma U.S., Inc.
$83
AstraZeneca Pharmaceuticals LP
$77
Alexion Pharmaceuticals, Inc.
$71
Mallinckrodt Hospital Products Inc.
$63
Fresenius Kabi USA, LLC
$63
Fidia Pharma USA Inc.
$54
Almatica Pharma LLC
$27
DePuy Synthes Sales Inc.
$20
Alvogen Inc
$13
Top 3 companies account for 73.6% of 2024 payments
All-time payments by company (2018-2024) ›
Amgen Inc.
$13,250
Janssen Biotech, Inc.
$3,750
Lilly USA, LLC
$2,089
UCB, Inc.
$1,985
PFIZER INC.
$1,940
ABBVIE INC.
$1,772
Novartis Pharmaceuticals Corporation
$1,729
GlaxoSmithKline, LLC.
$1,429
Horizon Therapeutics plc
$1,290
AbbVie, Inc.
$897
Radius Health, Inc.
$717
Celgene Corporation
$706
AbbVie Inc.
$571
AstraZeneca Pharmaceuticals LP
$436
Aurinia Pharma U.S., Inc.
$374
Antares Pharma, Inc.
$368
E.R. Squibb & Sons, L.L.C.
$362
Boehringer Ingelheim Pharmaceuticals, Inc.
$336
ANI Pharmaceuticals, Inc.
$325
Mallinckrodt Hospital Products Inc.
$267
GENZYME CORPORATION
$255
Fresenius Kabi USA, LLC
$219
Medtronic, Inc.
$209
Genentech USA, Inc.
$161
Mallinckrodt LLC
$160
Alexion Pharmaceuticals, Inc.
$144
Phathom Pharmaceuticals, Inc.
$139
Janssen Scientific Affairs, LLC
$117
NeuroMetrix Inc
$106
Octapharma USA, Inc.
$104
Organon Llc
$102
Mallinckrodt Enterprises LLC
$85
DePuy Synthes Sales Inc.
$74
Organon LLC
$69
Horizon Pharma plc
$66
Alvogen Inc
$58
Fidia Pharma USA Inc.
$54
SOBI, INC
$53
Flexion Therapeutics, Inc.
$41
IBSA Pharma Inc.
$38
Almatica Pharma LLC
$27
CSL Behring
$26
SANOFI-AVENTIS U.S. LLC
$25
Takeda Pharmaceuticals U.S.A., Inc.
$23
Biocon Biologics Inc
$20
Sandoz Inc.
$17
Novo Nordisk Inc
$15
Celltrion USA Inc.
$14
Top 3 companies account for 51.6% of all-time payments
Associated products mentioned in payments ›
ACTHAR · Actemra · BENLYSTA · Bimzelx · COSENTYX · CYLTEZO · Cimzia · EVENITY · Enbrel · FORTEO · HADLIMA · HUMIRA · HYMOVIS · HYRIMOZ · Haegarda · Hulio · Humira · IDACIO · ILARIS · INFLECTRA · INTELLIS ADAPTIVESTIM · KEVZARA · KINERET · KRYSTEXXA · Kineret · LICART · LUPKYNIS · LYRICA · MONOVISC · OCTAGAM IMMUNE GLOBULIN (HUMAN) · OFEV · OLUMIANT · ORENCIA · ORTHOVISC · OTREXUP · Otezla · Otrexup · PANZYGA · PENNSAID · PURIFIED CORTROPHIN GEL · Prolia · RAYOS · REMICADE · RENFLEXIS · RHEUMATOID ARTHRITIS DISEASE · RINVOQ · Rinvoq · Rituxan · Rybelsus · SAPHNELO · SIMPONI · SIMPONI ARIA · SKYRIZI · STELARA · STRENSIQ · SYNVISC-ONE · TALTZ · TAVNEOS · TERIPARATIDE · TREMFYA · Tymlos · UPLIZNA · Uloric · VOQUEZNA · XELJANZ · XYOSTED · YUFLYMA · Zilretta
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Geographic Context
Rheumatologists in nearby ZIP areas
115
County median income
$113,702
Nearest hospital to ZIP centroid (approximate)
PROVIDENCE ST. JOSEPH HOSPITAL
0.0 mi
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Lee is a mixed practice specialist, with above-average Medicare volume (top 3% in CA), with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Lee experienced with certolizumab injection (cimzia)?
Based on Medicare claims data, Dr. Lee performed 106,400 certolizumab injection (cimzia) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Lee receive payments from pharmaceutical companies?
Yes. Dr. Lee received a total of $37,013 from 48 companies across 1,591 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Lee's costs compare to other rheumatologists in Orange?
Dr. Lee's average Medicare payment per service is $8. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Lee) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
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About this page
This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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