George Kimmerling, M.D.
NPI 1346313269 · Specialist · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Kimmerling, M.D. is a Specialist provider in San Francisco, CA (NPI 1346313269).
Provider details
- NPI number
- 1346313269
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G25421 (CA)
Specialties & taxonomies
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
602 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 304 | $153 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 146 | $214 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 42 | $156 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 36 | $39 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 24 | $259 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Provider Supplied Equipment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 448 | 97 |
| Atorvastatin Calcium | 330 | 87 |
| Metformin Hcl | 272 | 78 |
| Semaglutidebrand: Ozempic | 271 | 50 |
| Empagliflozinbrand: Jardiance | 268 | 51 |
| Amlodipine Besylate | 258 | 68 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$628 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is George Kimmerling's NPI number?
- George Kimmerling's National Provider Identifier (NPI) is 1346313269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Kimmerling's specialty?
- George Kimmerling is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is George Kimmerling located?
- George Kimmerling's practice location on file with NPPES is 2100 Webster St Ste 409, San Francisco, CA 94115-2380.
- What is George Kimmerling's phone number?
- The practice phone number listed in the NPPES registry for George Kimmerling is (415) 658-7876.
- Does George Kimmerling accept Medicare?
- George Kimmerling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Kimmerling's NPI active?
- Yes — George Kimmerling's NPI (1346313269) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.