Medicare Enrolled
Dr. Seth Holtzapfel, M.D.
Internal Medicine · Columbus, OH
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. Holtzapfel 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. Holtzapfel
Dr. Seth Holtzapfel is an internal medicine specialist in Columbus, OH, with 20 years of NPI registration. Based on federal Medicare data, Dr. Holtzapfel performed 5,756 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Holtzapfel received a total of $3,495 from 25 pharmaceutical and/or device companies across 259 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. Holtzapfel 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 1% volume in OH
$3,495 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗5,756
Medicare services
Top 1% in OH for internal medicine
Not available
Unique patients (not deduplicated)
$17
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 |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) A contrast agent containing 300-399 mg/ml of iodine used to enhance imaging studies. It is administered per milliliter to improve the visibility of internal structures. |
1,550 | $0 | $1 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
413 | $8 | $13 |
| 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. |
321 | $8 | $16 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
290 | $10 | $25 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
250 | $16 | $35 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
233 | $9 | $23 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
219 | $13 | $36 |
| Creatinine test (kidney function) A blood test that measures the amount of creatinine to assess kidney function or detect muscle injury. |
217 | $5 | $28 |
| Urine microalbumin test (kidney screening) A laboratory test that measures the amount of microalbumin, a small protein, in a urine sample. This test is used to detect early signs of kidney damage. |
213 | $6 | $31 |
| 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. |
209 | $79 | $170 |
| Automated urinalysis An automated laboratory test performed on a urine sample to analyze its chemical and physical properties. The procedure uses machinery to detect various substances and cells within the urine. |
169 | $2 | $16 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
168 | $123 | $175 |
| 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. |
134 | $58 | $120 |
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
120 | $1 | $11 |
| Urinalysis with microscopic exam A urine test performed manually that includes examining the sample under a microscope to check for abnormalities. |
102 | $3 | $10 |
| PSA test (prostate cancer screening) A blood test that measures the level of prostate-specific antigen to screen for prostate cancer. |
71 | $19 | $44 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
70 | $29 | $32 |
| Free thyroxine (T4) test A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream. |
69 | $9 | $22 |
| Flu vaccine, high-dose High-dose seasonal influenza vaccine for adults aged 65 and older. Contains four times the antigen of standard-dose flu vaccines (60 mcg per strain), split-virus formulation, preservative-free, single-dose syringe. |
67 | $72 | $105 |
| LDL cholesterol level test A blood test that measures the amount of low-density lipoprotein (LDL) cholesterol in your blood. LDL is often referred to as "bad" cholesterol. |
62 | $10 | $34 |
| Triglyceride level test A blood test that measures the amount of triglycerides, a type of fat, in your blood. |
57 | $6 | $13 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
55 | $28 | $70 |
| Urine culture, bacterial identification A laboratory test that grows and identifies bacteria from a urine sample to detect infections. |
55 | $8 | $22 |
| Parathyroid hormone level test A blood test that measures the amount of parathyroid hormone in your body. This hormone helps regulate calcium levels in the blood and bones. |
54 | $40 | $125 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
48 | $8 | $22 |
| Iron level test | 48 | $6 | $15 |
| Iron binding capacity test A blood test that measures the amount of iron in the blood and the blood's ability to bind and transport iron. |
48 | $9 | $18 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
47 | $15 | $70 |
| Folic acid level test A blood test that measures the amount of folic acid in the serum. |
47 | $14 | $67 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
42 | $13 | $29 |
| Prothrombin time test (blood clotting) A laboratory test that measures how long it takes for blood to clot. This procedure evaluates the body's coagulation process. |
38 | $4 | $15 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
33 | $10 | $75 |
| HDL cholesterol level test A blood test that measures the amount of high-density lipoprotein (HDL) cholesterol in your blood. HDL is often referred to as 'good' cholesterol. |
27 | $8 | $19 |
| PSA test (prostate cancer screening) | 25 | $18 | $44 |
| Transitional care management services, moderate complexity Services provided to coordinate care during the transition from an inpatient or other facility setting back to the community. This includes follow-up and management of a health problem of at least moderate complexity. |
22 | $154 | $265 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
18 | $41 | $263 |
| Antibiotic sensitivity test A laboratory test that determines which antibiotics, antifungals, or antivirals are effective against a specific microorganism using microdilution or agar dilution methods. |
18 | $8 | $21 |
| Bacterial culture, aerobic A laboratory test that grows and identifies bacteria capable of surviving in oxygen. The results help determine the presence of specific aerobic microorganisms. |
15 | $8 | $24 |
| Liver function blood test panel | 14 | $8 | $20 |
| Phosphate level test A blood test that measures the amount of phosphate in your body. Phosphate is a mineral that helps keep bones and teeth strong. |
13 | $5 | $21 |
| Free PSA test A blood test that measures the amount of unbound prostate-specific antigen in the blood. |
13 | $18 | $85 |
| Pneumonia vaccine administration This procedure involves the injection of a vaccine to protect against pneumococcal disease. It is administered by a healthcare provider. |
13 | $29 | $45 |
| 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. |
12 | $13 | $68 |
| X-ray of lower and sacral spine, 2-3 views An X-ray imaging test that captures 2 to 3 views of the lower back and sacral spine to visualize the bones and joints in this area. |
12 | $14 | $68 |
| Bone density scan (DEXA) A test that uses low-dose X-rays to measure bone mineral density in the hip, pelvis, and spine. It helps assess bone strength and risk of fractures. |
12 | $26 | $142 |
| Pneumococcal conjugate vaccine (PCV20) An intramuscular injection of the 20-valent pneumococcal conjugate vaccine. It is used to protect against diseases caused by Streptococcus pneumoniae bacteria. |
12 | $282 | $410 |
| Initial preventive physical examination, new Medicare beneficiary A comprehensive preventive health visit for new Medicare beneficiaries during their first 12 months of enrollment. The service is conducted as a face-to-face visit and is limited to preventive care. |
11 | $158 | $284 |
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 ↗$3,495
Total received (2018-2024)
Avg $499/year across 7 years
Top 19% in OH for internal medicine
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
25
Companies
259
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
$619
2023
$493
2022
$486
2021
$594
2020
$473
2019
$193
2018
$637
Payments by company (2024)
ABBVIE INC.
$147
Novo Nordisk Inc
$134
GlaxoSmithKline, LLC.
$86
Abbott Laboratories
$82
Bayer Healthcare Pharmaceuticals Inc.
$32
Boehringer Ingelheim Pharmaceuticals, Inc.
$30
AstraZeneca Pharmaceuticals LP
$28
SANOFI-AVENTIS U.S. LLC
$28
Phathom Pharmaceuticals, Inc.
$21
Exact Sciences Corporation
$16
E.R. Squibb & Sons, L.L.C.
$15
Top 3 companies account for 59.2% of 2024 payments
All-time payments by company (2018-2024) ›
Novo Nordisk Inc
$953
ABBVIE INC.
$540
PFIZER INC.
$414
Astellas Pharma US Inc
$328
GlaxoSmithKline, LLC.
$249
AbbVie Inc.
$167
Janssen Pharmaceuticals, Inc
$154
Abbott Laboratories
$82
Boehringer Ingelheim Pharmaceuticals, Inc.
$62
Exact Sciences Corporation
$61
Amarin Pharma Inc.
$59
Lilly USA, LLC
$56
SANOFI-AVENTIS U.S. LLC
$44
AstraZeneca Pharmaceuticals LP
$42
Kowa Pharmaceuticals America, Inc.
$40
Bayer Healthcare Pharmaceuticals Inc.
$32
E.R. Squibb & Sons, L.L.C.
$30
Allergan, Inc.
$28
Merck Sharp & Dohme Corporation
$25
Medacta USA, Inc.
$24
Takeda Pharmaceuticals U.S.A., Inc.
$24
IRONWOOD PHARMACEUTICALS, INC
$23
Phathom Pharmaceuticals, Inc.
$21
Boston Scientific Corporation
$21
Esperion Therapeutics, Inc.
$15
Top 3 companies account for 54.6% of all-time payments
Associated products mentioned in payments ›
ANORO · ANORO ELLIPTA · AREXVY · BREZTRI · COLOGUARD · COLOGUARD DNA CAPTURE REAGENTS · CREON · Cologuard Collection Kit · ELIQUIS · EMGALITY · ETERNA · EUCRISA · FARXIGA · General - Pain Management · INVOKANA · JANUVIA · JARDIANCE · Kerendia · LYRICA · Linzess · Livalo · MOUNJARO · Mpact · Myrbetriq · NEXLETOL · Ozempic · PREVNAR 13 · QULIPTA · RYBELSUS · Rybelsus · SOLIQUA 100/33 · STEGLUJAN · TRADJENTA · TRELEGY ELLIPTA · TRINTELLIX · TRULICITY · TZIELD · Tresiba · UBRELVY · VESICARE · VOQUEZNA · VRAYLAR · Vascepa · Veozah · Victoza · Wegovy · XARELTO
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
Internal medicine physicians in nearby ZIP areas
1,007
County median income
$73,795
Nearest hospital to ZIP centroid (approximate)
RIVERSIDE METHODIST 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. Holtzapfel is a mixed practice specialist, with above-average Medicare volume (top 1% in OH), 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. Holtzapfel experienced with contrast dye for imaging (iodine-based)?
Based on Medicare claims data, Dr. Holtzapfel performed 1,550 contrast dye for imaging (iodine-based) 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. Holtzapfel receive payments from pharmaceutical companies?
Yes. Dr. Holtzapfel received a total of $3,495 from 25 companies across 259 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. Holtzapfel's costs compare to other internal medicine physicians in Columbus?
Dr. Holtzapfel's average Medicare payment per service is $17. 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. Holtzapfel) 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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