Mark H. Chan, MD
Specialist · Oakland, CA
Mark H. Chan, MD is a specialist with a practice address in Oakland, California, and NPI 1871532945, issued on Jun 5, 2006. Check the license (California G84716, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark H. Chan
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- G84716 CA
Self-reported in NPPES; status is on the state search - Practice location
- 80 Grand Ave, Oakland, CA 94612
- Phone
- (510) 835-0235
- Enumerated
- Jun 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 835-0298
- Medicare enrollment
- Enrolled (PECOS I20060814000173); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 80 Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chang Kim, M.D.Orthopaedic Surgery Physician1720152507
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- Glen Lau, M.D.Plastic Surgery Physician1073653150
Verify Mark H. Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G84716Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average specialist in 2024
572 Medicare Part D claims for 108 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 281 claims were for opioids.
Most prescribed
- Gabapentin151 claims
- Hydrocodone-Acetaminophen127 claims
- Tramadol Hcl62 claims
- Oxycodone-Acetaminophen40 claims
- Meloxicam34 claims
- Pregabalin32 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Mark H. Chan among 5,749 specialist records in California
Mark H. Chan, MD is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1993 · median 1989 among the 1,075 with a school on file
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
198 specialist records list a practice address in Oakland
They are 198 of the 18,558 NPPES records with a practice address in Oakland, and 5,749 specialist records in California.
All 5,749 in California → Every provider in Oakland → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Alfred Adams, M.D.Oakland, CA 946121811184849
- Aytoya AlbertOakland, CA 946121316252216
- Gurpreet Bhullar, OTROakland, CA 946121164638805
- Foongyee DouglasOakland, CA 946121073830576
- Rochelle GumbsOakland, CA 946121003121138
- Lisa LehrerOakland, CA 946121629301585
- Doreen Leighton, M.D.Oakland, CA 946121629067095
- Sonya PerryOakland, CA 946121669787560
Common questions
What is Mark H. Chan, MD's NPI number?
Mark H. Chan, MD's National Provider Identifier (NPI) is 1871532945, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark H. Chan, MD located?
The NPPES record lists a practice address at 80 Grand Ave, Oakland, CA, 94612. Phone: (510) 835-0235. Providers update this record themselves, so call before visiting.
How can I verify Mark H. Chan, MD's license?
NPPES lists California license number G84716, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark H. Chan, MD prescribe under Medicare Part D?
In 2024, Mark H. Chan, MD had 572 Medicare Part D claims for 108 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Mark H. Chan, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.