NPPES file of Aug 9, 2026

Yin Chan, MD

Gastroenterology Physician · Los Angeles, CA

Yin Chan, MD is a gastroenterology physician with a practice address in Los Angeles, California, and NPI 1528735065, issued on Aug 24, 2021. Check the license (California A174279, 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
1528735065
Name
Yin Chan
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A174279 CA
Self-reported in NPPES; status is on the state search
Practice location
8730 Alden Dr, Los Angeles, CA 90048
Phone
(310) 423-6082
Enumerated
Aug 24, 2021
Record last updated
Aug 10, 2022
Fax
(310) 423-1826
Medicare enrollment
Enrolled (PECOS I20220817001491); accepts Medicare assignment
Medical or professional school
University Of Toronto, Faculty Of Medicine, 2013
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 8730 Alden Dr

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

  1. Khalid Al Shamousi, MD, FRCPCGastroenterology Physician1386299972
  2. Nunzio Bottini, M.D., PH.D.Rheumatology Physician1124303011
  3. Matthew Cohen, MDPsychiatry Physician1093864357
  4. Kathryn DiazMarriage & Family Therapist1336379379
  5. Hagop Hajian, M.D.Psychiatry Physician1417992801
  6. Marilee Hartling, MFT RNPediatric Registered Nurse1073726071

Verify Yin Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A174279
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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62% fewer Medicare Part D claims than the average gastroenterology physician in 2024

306 Medicare Part D claims for 86 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.

  1. Yin Chan306
  2. Specialty average811

Most prescribed

  1. Motegrity59 claims
  2. Linzess48 claims
  3. Xifaxan40 claims
  4. Lactulose12 claims
  5. Pyridostigmine Bromide12 claims
  6. Voquezna12 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): 87.7 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 score80.9
  2. Costout of 100 · 30%49.4
  3. Promoting interoperabilityout of 100 · 25%99.0
  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: $1,114.38

7 payments; by number, the most common kind was food and beverage; the largest payer was Enterra Medical, Inc. 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. Yin Chan$1,114.38
  2. Specialty average$5,015.95

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

One hospital affiliation

  1. Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Yin Chan among 2,140 gastroenterology physician records in California

Yin Chan, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 99% of them.

  • NPI issued2021 · 99% of these records are older, under 1% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2013 · median 2002 among the 1,538 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Maria Abreu, M.D.West Hollywood, CA 900481598793374
  2. David Cohen, MD PHDWest Hollywood, CA 900481881650133
  3. Jerome Goldwasser, M.D.Los Angeles, CA 900481831103506
  4. Simon Lo, M.D.Los Angeles, CA 900481255368874
  5. Jay Marks, MDLos Angeles, CA 900481003871914
  6. Gil Melmed, M.D.Los Angeles, CA 900481336102524
  7. Mark Pimentel, M.D.Los Angeles, CA 900481750319356
  8. Said Rahban, MDLos Angeles, CA 900481205902202

Common questions

What is Yin Chan, MD's NPI number?

Yin Chan, MD's National Provider Identifier (NPI) is 1528735065, issued on Aug 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Yin Chan, MD located?

The NPPES record lists a practice address at 8730 Alden Dr, Los Angeles, CA, 90048. Phone: (310) 423-6082. Providers update this record themselves, so call before visiting.

How can I verify Yin Chan, MD's license?

NPPES lists California license number A174279, 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 Yin Chan, MD prescribe under Medicare Part D?

In 2024, Yin Chan, MD had 306 Medicare Part D claims for 86 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Yin Chan, MD's MIPS final score?

The 2023 MIPS final score is 87.7 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.