Sharon Chan, M.D.
Internal Medicine Physician · Oakland, CA
Sharon Chan, M.D. is an internal medicine physician with a practice address in Oakland, California, and NPI 1013233964, issued on Apr 17, 2010. Check the license (California A118582, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sharon Chan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A118582 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Hawthorne Ave RM 2346, Oakland, CA 94609
- Phone
- (510) 869-6883
- Enumerated
- Apr 17, 2010
- Entity
- Type 1 · individual
Also registered at 350 Hawthorne Ave RM 2346
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sharon Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A118582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
206 Medicare Part D claims for 79 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen16 claims
- Eliquis14 claims
- Atorvastatin Calcium13 claims
- Furosemide12 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: $150.00
1 payment, mostly food and beverage; the largest payer was Ipsen Biopharmaceuticals, Inc. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Sutter Bay Medical FoundationFremont, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
451 internal medicine physician records list a Oakland practice address
They are 451 of the 18,558 NPPES records with a Oakland practice address, and 20,403 internal medicine physician records in California.
All 451 in Oakland → All 20,403 in California → Every provider in Oakland →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Sharon Chan, M.D.'s NPI number?
Sharon Chan, M.D.'s National Provider Identifier (NPI) is 1013233964, issued on Apr 17, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sharon Chan, M.D. located?
The NPPES record lists a practice address at 350 Hawthorne Ave RM 2346, Oakland, CA, 94609. Phone: (510) 869-6883. Providers update this record themselves, so call before visiting.
How can I verify Sharon Chan, M.D.'s license?
NPPES lists California license number A118582, 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 Sharon Chan, M.D. prescribe under Medicare Part D?
In 2024, Sharon Chan, M.D. had 206 Medicare Part D claims for 79 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.