Howard Yuan-Hao Chang, MD
Dermatology Physician · Stanford, CA
Howard Yuan-Hao Chang, MD is a dermatology physician with a practice address in Stanford, California, and NPI 1326061144, issued on Jul 25, 2006. Check the license (California A76256, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Howard Yuan-Hao Chang
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A76256 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jul 25, 2006
- Record last updated
- Apr 16, 2024
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
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Verify Howard Yuan-Hao Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average dermatology physician in 2024
21 Medicare Part D claims for 11 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 76.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,236.38
2 payments; by number, the most common kind was consulting fee; the largest payer was Alexion Pharmaceuticals, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Howard Yuan-Hao Chang among 2,083 dermatology physician records in California
Howard Yuan-Hao Chang, MD is one of 2,083 dermatology 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2024 · 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 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 dermatology physician records list a practice address in Stanford
They are 59 of the 5,606 NPPES records with a practice address in Stanford, and 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Stanford → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Joanna Badger, MDStanford, CA 943051881740678
- David Fiorentino, MDStanford, CA 943051740335025
- Michelle Galant, M.D.Stanford, CA 943051225043938
- Paul Khavari, MDStanford, CA 943051780696252
- Youn-Hee Kim, MDStanford, CA 943051770619355
- Alfred Lane, MDStanford, CA 943051194879981
- Matt Marinkovich, MDStanford, CA 943051386734937
- Anthony Oro, MDStanford, CA 943051902963853
Common questions
What is Howard Yuan-Hao Chang, MD's NPI number?
Howard Yuan-Hao Chang, MD's National Provider Identifier (NPI) is 1326061144, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Howard Yuan-Hao Chang, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Howard Yuan-Hao Chang, MD's license?
NPPES lists California license number A76256, 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 Howard Yuan-Hao Chang, MD prescribe under Medicare Part D?
In 2024, Howard Yuan-Hao Chang, MD had 21 Medicare Part D claims for 11 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Howard Yuan-Hao Chang, MD's MIPS final score?
The 2023 MIPS final score is 76.5 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.