Kohar Der Simonian, M.D.
Family Medicine Physician · San Francisco, CA
Kohar Der Simonian, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1538334594, issued on Apr 29, 2008. Check the license (California A102208, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kohar Der Simonian
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A102208 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave. Bldg. 5, 1St FL, 1E, San Francisco, CA 94110
- Phone
- (628) 206-8000
- Enumerated
- Apr 29, 2008
- Record last updated
- Dec 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20150810002080); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Kohar Der Simonian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A102208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average family medicine physician in 2024
2,007 Medicare Part D claims for 252 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 66 claims were for opioids.
Most prescribed
- Atorvastatin Calcium137 claims
- Amlodipine Besylate95 claims
- Levothyroxine Sodium77 claims
- Lisinopril67 claims
- Simvastatin64 claims
- Hydrochlorothiazide61 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
- MainehealthFalmouth, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kohar Der Simonian among 17,133 family medicine physician records in California
Kohar Der Simonian, 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 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 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 San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joaquin Barahona, M. D.San Francisco, CA 941101205895133
- Luis Bonilla, MDSan Francisco, CA 941101629019708
- Christopher Bositis, MDSan Francisco, CA 941101427054493
- Romilda Foresti-Lorente, MDSan Francisco, CA 941101164455374
- Steven Lawton, MDSan Francisco, CA 941101366486748
- Todd May, MDSan Francisco, CA 941101679528335
- Pooja Mittal, DOSan Francisco, CA 941101215916200
- David Nidorf, MDSan Francisco, CA 941101336186121
Common questions
What is Kohar Der Simonian, M.D.'s NPI number?
Kohar Der Simonian, M.D.'s National Provider Identifier (NPI) is 1538334594, issued on Apr 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Kohar Der Simonian, M.D. located?
The NPPES record lists a practice address at 1001 Potrero Ave. Bldg. 5, 1St FL, 1E, San Francisco, CA, 94110. Phone: (628) 206-8000. Providers update this record themselves, so call before visiting.
How can I verify Kohar Der Simonian, M.D.'s license?
NPPES lists California license number A102208, 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 Kohar Der Simonian, M.D. prescribe under Medicare Part D?
In 2024, Kohar Der Simonian, M.D. had 2,007 Medicare Part D claims for 252 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.