Joy Anyanwu, M.D.
Family Medicine Physician · Oakland, CA
Joy Anyanwu, M.D. is a family medicine physician with a practice address in Oakland, California, and NPI 1487049888, issued on Apr 2, 2015. Check the license (California 155855, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joy Anyanwu
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 155855 CA
Self-reported in NPPES; status is on the state search - Practice location
- 275 W Macarthur Blvd, Oakland, CA 94611
- Phone
- (510) 752-1000
- Enumerated
- Apr 2, 2015
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190508000382); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2015
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 275 W Macarthur Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joy Anyanwu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 155855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average family medicine physician in 2024
1,950 Medicare Part D claims for 260 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium168 claims
- Amlodipine Besylate106 claims
- Losartan Potassium106 claims
- Levothyroxine Sodium81 claims
- Hydrochlorothiazide60 claims
- Fluticasone Propionate58 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.
Bills Medicare through one group practice
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joy Anyanwu among 17,133 family medicine physician records in California
Joy Anyanwu, M.D. 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 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Oakland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Leticia Aguilera-Ledesma, MDOakland, CA 946111871538637
- Nora Emon, MDOakland, CA 946111952337461
- Shannon Garrigan, MDOakland, CA 946111376617969
- Francis Kohrs, MDOakland, CA 946111720030877
- Ireneo Lazo, MDOakland, CA 946111528146305
- Jill Lederman, MDOakland, CA 946111427133198
- Gail Martin, MDOakland, CA 946111043398829
- Valerie McFarlane, MDOakland, CA 946111023193786
Common questions
What is Joy Anyanwu, M.D.'s NPI number?
Joy Anyanwu, M.D.'s National Provider Identifier (NPI) is 1487049888, issued on Apr 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joy Anyanwu, M.D. located?
The NPPES record lists a practice address at 275 W Macarthur Blvd, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.
How can I verify Joy Anyanwu, M.D.'s license?
NPPES lists California license number 155855, 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 Joy Anyanwu, M.D. prescribe under Medicare Part D?
In 2024, Joy Anyanwu, M.D. had 1,950 Medicare Part D claims for 260 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.