Doctor profile · Federal record

Dr. Isabelle Cohen, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Oakland, CA

  • NPI 1336409549
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
365 Hawthorne Ave Ste 301
Oakland, CA 94609
(410) 601-9000

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
August 1, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
California #A163973 · Maryland #P27653

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336409549. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
174
Distinct HCPCS
5
Medicare allowed
$12,131
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 70 70 $47
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 40 40 $55
99213 Established patient office or other outpatient visit, 20-29 minutes 39 27 $107
99212 Established patient office or other outpatient visit, 10-19 minutes 13 12 $68
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $132

In context: peer comparison

Among 1 peers in Oakland Obstetrics & Gynecology Physician, average services per provider: 34. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
139
Patients
28
Total drug cost
$41,089
Drug Type Claims Patients Total cost
Estradiol Generic 50 28 $6,996
Premarin (Estrogens, Conjugated) Brand 22 0 $10,204
Yuvafem (Estradiol) Brand 20 0 $5,037
Imvexxy (Estradiol) Brand 19 0 $9,159
Estring (Estradiol) Brand 16 0 $9,118
Valacyclovir (Valacyclovir Hcl) Brand 12 0 $575

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Isabelle Cohen's medical specialty?
Dr. Isabelle Cohen practices Obstetrics & Gynecology Physician in Oakland, CA.
Where does Dr. Isabelle Cohen practice?
Dr. Isabelle Cohen practices at 365 Hawthorne Ave Ste 301, Oakland, CA 94609. Office phone: 4106019000.
What is Dr. Isabelle Cohen's NPI?
Dr. Isabelle Cohen's National Provider Identifier (NPI) is 1336409549, issued by NPPES.
Does Dr. Isabelle Cohen accept Medicare assignment?
Yes. Dr. Isabelle Cohen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isabelle Cohen commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.