NPPES file of Aug 9, 2026

Steven-Huy Bui Han, MD

Gastroenterology Physician · Los Angeles, CA

Steven-Huy Bui Han, MD is a gastroenterology physician with a practice address in Los Angeles, California, and NPI 1841218880, issued on Jul 17, 2006. Check the license (California G72513, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841218880
Name
Steven-Huy Bui Han
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
G72513 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Ucla Medical Plz Ste 700, Los Angeles, CA 90024
Phone
(310) 794-7783
Enumerated
Jul 17, 2006
Record last updated
Jan 6, 2025
Fax
(310) 206-4197
Medicaid ID
00G725130 CA
Medicare enrollment
Enrolled (PECOS I20041027000449); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 1990
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 Ucla Medical Plz Ste 700

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marie-Christine Blais, MDStudent in an Organized Health Care Education/Training Program1184596652
  2. Emily Brown, MDSurgery Physician1508429952
  3. Michelle Corral, AGACNP-BCAcute Care Nurse Practitioner1982584918
  4. Francesca Kimelman, MDSurgery Physician1902433642
  5. Sammy Saab, MDGastroenterology Physician1720008899

Verify Steven-Huy Bui Han in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G72513
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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57% fewer Medicare Part D claims than the average gastroenterology physician in 2024

348 Medicare Part D claims for 72 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.

  1. Steven-Huy Han348
  2. Specialty average811

Most prescribed

  1. Vemlidy129 claims
  2. Xifaxan34 claims
  3. Furosemide28 claims
  4. Ursodiol27 claims
  5. Tenofovir Disoproxil Fumarate22 claims
  6. Spironolactone16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 94.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score61.7
  2. Costout of 100 · 30%87.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $17,076.12

22 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven-Huy Han$17,076
  2. Specialty average$5,016

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Regents OF The University OF CaliforniaLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

Other gastroenterology physician records in California

  1. David Aarons, MDLodi, CA1619081379
  2. Constante Abaya, MDOxnard, CA1003918459
  3. Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
  4. Basim Abdelkarim, MDUpland, CA1932217544
  5. Homan Abdollahzadeh, MDPalm Springs, CA1184634826
  6. John Abdulian, M.D.Fresno, CA1437114113
  7. Hussein Abidali, DORancho Cucamonga, CA1205274768
  8. Alaa Abousaif, MDOrange, CA1235124108
  9. Donald Abrahm, M.D.Newport Beach, CA1215022405
  10. Maria Abreu, M.D.West Hollywood, CA1598793374

Common questions

What is Steven-Huy Bui Han, MD's NPI number?

Steven-Huy Bui Han, MD's National Provider Identifier (NPI) is 1841218880, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven-Huy Bui Han, MD located?

The NPPES record lists a practice address at 100 Ucla Medical Plz Ste 700, Los Angeles, CA, 90024. Phone: (310) 794-7783. Providers update this record themselves, so call before visiting.

How can I verify Steven-Huy Bui Han, MD's license?

NPPES lists California license number G72513, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Steven-Huy Bui Han, MD prescribe under Medicare Part D?

In 2024, Steven-Huy Bui Han, MD had 348 Medicare Part D claims for 72 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Steven-Huy Bui Han, MD's MIPS final score?

The 2023 MIPS final score is 94.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.