Kohar Der Simonian, M.D.
NPI 1538334594 · Family Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kohar Der Simonian, M.D. is a Family Medicine Physician provider in San Francisco, CA (NPI 1538334594).
Provider details
- NPI number
- 1538334594
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A102208 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
13 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 13 | $69 |
Typical Medicare-allowed amounts for these services range $69–$69 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 137 | 46 |
| Amlodipine Besylate | 95 | 25 |
| Levothyroxine Sodium | 77 | 21 |
| Lisinopril | 67 | 26 |
| Simvastatin | 64 | 23 |
| Hydrochlorothiazide | 61 | 22 |
| Omeprazole | 59 | 23 |
Practice location
Mailing address
Additional practice locations (1)
- 5 Bucknam RdSuite 2cFalmouth, ME 04105-1392Phone: (207) 781-1500
Registry dates
- Enumerated
- 2008-04-29
- Last updated
- 2025-12-26
- Certified
- 2025-12-26
Frequently asked questions
- What is Kohar Der Simonian's NPI number?
- Kohar Der Simonian's National Provider Identifier (NPI) is 1538334594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kohar Der Simonian's specialty?
- Kohar Der Simonian is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kohar Der Simonian located?
- Kohar Der Simonian's practice location on file with NPPES is 1001 Potrero Ave. Bldg. 5, 1st Fl, 1e, San Francisco, CA 94110-3518.
- What is Kohar Der Simonian's phone number?
- The practice phone number listed in the NPPES registry for Kohar Der Simonian is (628) 206-8000.
- Does Kohar Der Simonian accept Medicare?
- Kohar Der Simonian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kohar Der Simonian's NPI active?
- Yes — Kohar Der Simonian's NPI (1538334594) is active in the NPPES registry as of the last update on 2025-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.