Isabelle Cohen, M.D.
Obstetrics & Gynecology Physician · Oakland, CA
Isabelle Cohen, M.D. is an obstetrics & gynecology physician with a practice address in Oakland, California, and NPI 1336409549, issued on May 22, 2012. Check the license (California A163973, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Isabelle Cohen
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A163973 CA
P27653 MD
Self-reported in NPPES; status is on the state search - Practice location
- 365 Hawthorne Ave Ste 301, Oakland, CA 94609
- Phone
- (410) 601-9000
- Enumerated
- May 22, 2012
- Record last updated
- Aug 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190826001320); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 365 Hawthorne Ave Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Bernard-Pearl, MDObstetrics & Gynecology Physician1750328373
- Ruchi Puri, MDObstetrics & Gynecology Physician1326215096
Verify Isabelle Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
302 Medicare Part D claims for 112 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Estradiol72 claims
- Progesterone34 claims
- Imvexxy23 claims
- Yuvafem20 claims
- Estring17 claims
- Estradiol (Twice Weekly)15 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
- Sutter Bay Medical FoundationBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isabelle Cohen among 5,088 obstetrics & gynecology physician records in California
Isabelle Cohen, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2012 · median 2004 among the 2,700 with a school on file
- Record last updated2019 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Oakland → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lisa Bernard-Pearl, MDOakland, CA 946091750328373
- Edward Blumenstock, MDOakland, CA 946091235156738
- Vanessa Chan, M.D.Oakland, CA 946091114960747
- Michellee Chen, M.D.Oakland, CA 946091528141306
- Yvette Gentry, M.D.Oakland, CA 946091467498634
- Magdy Girgis, MDOakland, CA 946091710942677
- Goldee Gross, MDOakland, CA 946091235194176
- Thomas Hambrick, MDOakland, CA 946091215992151
Common questions
What is Isabelle Cohen, M.D.'s NPI number?
Isabelle Cohen, M.D.'s National Provider Identifier (NPI) is 1336409549, issued on May 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Isabelle Cohen, M.D. located?
The NPPES record lists a practice address at 365 Hawthorne Ave Ste 301, Oakland, CA, 94609. Phone: (410) 601-9000. Providers update this record themselves, so call before visiting.
How can I verify Isabelle Cohen, M.D.'s license?
NPPES lists California license number A163973, 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 Isabelle Cohen, M.D. prescribe under Medicare Part D?
In 2024, Isabelle Cohen, M.D. had 302 Medicare Part D claims for 112 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.