Maya Isaacsohn
Internal Medicine Physician · Oakland, CA
Maya Isaacsohn is an internal medicine physician with a practice address in Oakland, California, and NPI 1013476852, issued on Mar 19, 2019. Check the license (California A177182, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maya Isaacsohn
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A177182 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2221 Martin Luther King JR Way, Oakland, CA 94612
- Phone
- (510) 267-7800
- Enumerated
- Mar 19, 2019
- Record last updated
- Nov 14, 2024
- Entity
- Type 1 · individual
Also registered at 2221 Martin Luther King JR Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Allen, DPTOrthopedic Physical Therapist1144188939
- Laura Allman, L.V.N.Licensed Practical Nurse1982763033
- Leah Anderson, PHDClinical Psychologist1750054557
- Justin BugayPhysical Therapy Assistant1396468823
- Thuy Bui, RPHPharmacist1184715039
- Ronald Chun, M.D.Internal Medicine Physician1730162264
Verify Maya Isaacsohn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177182Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
123 Medicare Part D claims for 45 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium22 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): 74.5 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).
432 internal medicine physician records list a practice address in Oakland
They are 432 of the 18,558 NPPES records with a practice address in Oakland, and 17,696 internal medicine physician records in California.
All 432 in Oakland → All 17,696 in California → Every provider in Oakland →
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- 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 Maya Isaacsohn's NPI number?
Maya Isaacsohn's National Provider Identifier (NPI) is 1013476852, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Maya Isaacsohn located?
The NPPES record lists a practice address at 2221 Martin Luther King JR Way, Oakland, CA, 94612. Phone: (510) 267-7800. Providers update this record themselves, so call before visiting.
How can I verify Maya Isaacsohn's license?
NPPES lists California license number A177182, 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 Maya Isaacsohn prescribe under Medicare Part D?
In 2024, Maya Isaacsohn had 123 Medicare Part D claims for 45 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Maya Isaacsohn's MIPS final score?
The 2023 MIPS final score is 74.5 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.