Specialty Directory

Internal Medicine in Westminster, CA

Federal CMS data for 31 internal medicine providers practicing in Westminster, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

31
Providers
Median industry payments
$3,819
31
Internal Medicine Providers
in Westminster, CA
$3,819
Median Industry Payments
per provider (2018–2024)
2,445
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types; disclosure alone establishes neither wrongdoing nor legality. Internal Medicine includes multiple subspecialties with different practice patterns. Learn more →

Internal Medicine Providers

NPPES · Open Payments · Medicare
Provider Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
NGO, TAN M.D. 29,288 — Physical therapy exercise, per 15 min $108 (2019-2024) — Very High
LE, DAN M.D. 13,227 — Office visit, established patient (30-39 min) $6,883 (2018-2024) — Very High
NGO, DEAN MD 10,567 — Office visit, established patient (20-29 min) $21,855 (2018-2024) — Very High
NGUYEN, TUNG M.D. 9,984 — Adenosine injection, 1 mg $91,162 (2018-2024) — Very High
HUYNH, THU THUY M.D. 8,709 — Office visit, established patient (30-39 min) $3,905 (2018-2024) — Very High
CHAN, KHALED MD 7,745 — Hospital follow-up visit, moderate complexity $362 (2018-2024) — Very High
NGUYEN, HUNG MD 5,801 — Chronic care management, first 20 min/month $10,680 (2018-2024) — Very High
TRAM, HIEU N MD 4,746 — Office visit, established patient (30-39 min) $17,220 (2018-2024) — Very High
NGUYEN, VUONG M.D. 4,671 — Chronic care management, first 20 min/month $18,575 (2018-2024) — Very High
NGUYEN, THERESA THANH M.D. 3,839 — Office visit, established patient (20-29 min) $10,487 (2018-2024) — Very High
TRAN, ANH THU MD 3,454 — Office visit, established patient (20-29 min) $13,602 (2018-2024) — Very High
NGUYEN, CHIDAO DO 3,228 — Hospital follow-up visit, high complexity $3,018 (2018-2024) — Very High
NGUYEN, THAI M.D. 3,073 — Office visit, established patient (20-29 min) $9,713 (2018-2024) — Very High
NGUYEN, DAT M.D. 2,602 — Office visit, established patient (30-39 min) $3,542 (2018-2024) — Very High
VU, KHUE MD 2,547 — Office visit, established patient (20-29 min) $7,363 (2018-2024) — Very High
VO, THUAN M.D. 2,445 — Office visit, established patient (20-29 min) $13,913 (2018-2024) — Very High
NGUYEN, TU MD 2,202 — Chronic care management, first 20 min/month $14,869 (2018-2024) — Very High
TRAN, TOAN M.D. 2,172 — Denosumab injection (Prolia/Xgeva) $10,327 (2018-2024) — Very High
NGUYEN, ANHTUAN MD 1,649 — Office visit, established patient (20-29 min) $10,709 (2018-2024) — Very High
DUONG, HONG MD 1,430 — Hospital follow-up visit, high complexity $2,207 (2018-2024) — Very High
BUI, LOC M.D. 1,391 — Office visit, established patient (30-39 min) $2,835 (2018-2024) — Very High
NGUYEN, PHUC M.D. 1,362 — Chronic care management, first 20 min/month $1,518 (2018-2024) — Very High
DUONG, PAUL M.D. 1,239 — Office visit, established patient (20-29 min) $315 (2020-2024) — Very High
NGUYEN, DAO MD 1,199 — Office visit, established patient (20-29 min) $1,881 (2018-2024) — Very High
PHAM, HAI M.D. 1,079 — Office visit, established patient (30-39 min) $1,150 (2018-2024) — Very High
NGUYEN, VIVIAN MD 781 — Hospital follow-up visit, high complexity $188 (2018-2024) — Very High
NGUYEN, LUC M.D. 741 — Office visit, established patient (30-39 min) $1,074 (2018-2022) — Very High
HO, ANDY M.D. 673 — Office visit, established patient (30-39 min) $3,819 (2018-2024) — Very High
GREBLYA, VICTORIA MD 619 — Office visit, established patient (30-39 min) $1,997 (2018-2024) — Very High
PHAN, PHUONG-CHI M.D. 600 — Remote patient monitoring management, 20 min/month $384 (2019-2021) — Very High
PELOQUIN, JOSHUA DO 567 — Hospital follow-up visit, high complexity $454 (2018-2023) — Very High
Note: Internal Medicine encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.

By Practice Pattern

Internal Medicine encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.

Clinical Cardiology (25)

ProviderMedicare VolumeIndustry Payments
NGO, DEAN 10,567 $21,855
NGUYEN, TUNG 9,984 $91,162
HUYNH, THU THUY 8,709 $3,905
NGUYEN, HUNG 5,801 $10,680
TRAM, HIEU N 4,746 $17,220
NGUYEN, VUONG 4,671 $18,575
NGUYEN, THERESA THANH 3,839 $10,487
TRAN, ANH THU 3,454 $13,602
NGUYEN, THAI 3,073 $9,713
NGUYEN, DAT 2,602 $3,542

Mixed Practice (4)

ProviderMedicare VolumeIndustry Payments
NGO, TAN 29,288 $108
CHAN, KHALED 7,745 $362
NGUYEN, CHIDAO 3,228 $3,018
PELOQUIN, JOSHUA 567 $454

Remote & Electrophysiology (1)

ProviderMedicare VolumeIndustry Payments
LE, DAN 13,227 $6,883

Remote Monitoring (1)

ProviderMedicare VolumeIndustry Payments
PHAN, PHUONG-CHI 600 $384
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →