Tanaz Kahen, M.D.
Obstetrics & Gynecology Physician · Tarzana, CA
Tanaz Kahen, M.D. is an obstetrics & gynecology physician with a practice address in Tarzana, California, and NPI 1679542898, issued on Mar 17, 2006. Check the license (California A79336, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tanaz Kahen
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A79336 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5525 Etiwanda Ave, Tarzana, CA 91356
- Phone
- (818) 344-8822
- Enumerated
- Mar 17, 2006
- Record last updated
- Feb 13, 2025
- Fax
- (818) 344-3587
- Medicare enrollment
- Enrolled (PECOS I20040614000585); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 5525 Etiwanda Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tanaz Kahen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A79336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
358 Medicare Part D claims for 121 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Estradiol108 claims
- Prempro22 claims
- Premarin20 claims
- Fluconazole17 claims
- Escitalopram Oxalate15 claims
- Nitrofurantoin Mono-Macro14 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: $4,914.93
28 payments; by number, the most common kind was food and beverage; the largest payer was Mimedx Group, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Bills Medicare through one group practice
- SO-Cal Community Health CenterArleta, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tanaz Kahen among 5,088 obstetrics & gynecology physician records in California
Tanaz Kahen, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1993 · median 2004 among the 2,700 with a school on file
- Record last updated2025 · 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 Tarzana → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- James Danielzadeh, M.D.Tarzana, CA 913561154425551
- Allen Entin, M.D.Tarzana, CA 913561962508242
- Brian Fenmore, MDTarzana, CA 913561194834879
- Ruslana Kadze, M.D.Tarzana, CA 913561598825523
- Charles Kimelman, MDTarzana, CA 913561295836039
- Frederick Kohn, M.D.Tarzana, CA 913561427124981
- Honey Milestone, M.D.Tarzana, CA 913561033436720
- Jehuda Renan, M.D.Tarzana, CA 913561578741823
Common questions
What is Tanaz Kahen, M.D.'s NPI number?
Tanaz Kahen, M.D.'s National Provider Identifier (NPI) is 1679542898, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tanaz Kahen, M.D. located?
The NPPES record lists a practice address at 5525 Etiwanda Ave, Tarzana, CA, 91356. Phone: (818) 344-8822. Providers update this record themselves, so call before visiting.
How can I verify Tanaz Kahen, M.D.'s license?
NPPES lists California license number A79336, 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 Tanaz Kahen, M.D. prescribe under Medicare Part D?
In 2024, Tanaz Kahen, M.D. had 358 Medicare Part D claims for 121 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.