NPPES file of Aug 9, 2026

Sheng H. Chang, MD

Family Medicine Physician · San Gabriel, CA

Sheng H. Chang, MD is a family medicine physician with a practice address in San Gabriel, California, and NPI 1871589903, issued on Sep 23, 2005. Check the license (California A33409, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871589903
Name
Sheng H. Chang
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A33409 CA
Self-reported in NPPES; status is on the state search
Practice location
330 W Las Tunas Dr, San Gabriel, CA 91776
Phone
(626) 573-0055
Enumerated
Sep 23, 2005
Record last updated
Jun 30, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(626) 573-4087
Medicaid ID
00A334090 CA
Medicare enrollment
Enrolled (PECOS I20100319000589); accepts Medicare assignment
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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Verify Sheng H. Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A33409
    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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75% fewer Medicare Part D claims than the average family medicine physician in 2024

883 Medicare Part D claims for 59 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Sheng Chang883
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate75 claims
  2. Atorvastatin Calcium73 claims
  3. Omeprazole40 claims
  4. Benazepril Hcl38 claims
  5. Calcitriol37 claims
  6. Metformin Hcl37 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.

Industry payments in 2024: $22.64

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sheng Chang$22.64
  2. Specialty average$902.55

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

Sheng H. Chang among 17,133 family medicine physician records in California

Sheng H. Chang, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1967 · median 2005 among the 10,652 with a school on file
  • Record last updated2008 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 family medicine physician records list a practice address in San Gabriel

They are 23 of the 762 NPPES records with a practice address in San Gabriel, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Judith Cagan, M.D.San Gabriel, CA 917761194808923
  2. Luke Chan, M.D.San Gabriel, CA 917761558374116
  3. Hsiao- Fen Chen, M.DSan Gabriel, CA 917761366483497
  4. Hubert Chow, M.D.San Gabriel, CA 917761669697686
  5. Ying Feng Huang, M.D.San Gabriel, CA 917761134155146
  6. Susan Jung, MDSan Gabriel, CA 917761962415588
  7. Dan Le, D.O.San Gabriel, CA 917761790980258
  8. Stephen Leung, M.D.San Gabriel, CA 917761306969308

Common questions

What is Sheng H. Chang, MD's NPI number?

Sheng H. Chang, MD's National Provider Identifier (NPI) is 1871589903, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sheng H. Chang, MD located?

The NPPES record lists a practice address at 330 W Las Tunas Dr, San Gabriel, CA, 91776. Phone: (626) 573-0055. Providers update this record themselves, so call before visiting.

How can I verify Sheng H. Chang, MD's license?

NPPES lists California license number A33409, 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 Sheng H. Chang, MD prescribe under Medicare Part D?

In 2024, Sheng H. Chang, MD had 883 Medicare Part D claims for 59 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.