Eric Buxton, M.D.
NPI 1134210362 · Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Buxton, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in San Francisco, CA (NPI 1134210362).
Provider details
- NPI number
- 1134210362
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A78113 (CA)
Specialties & taxonomies
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
1,624 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 | 1,115 | $144 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 224 | $203 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 133 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 82 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 49 | $186 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 863 | 209 |
| Levothyroxine Sodium | 655 | 173 |
| Tirzepatidebrand: Mounjaro | 410 | 62 |
| Metformin Hclbrand: Metformin Hcl Er | 374 | 110 |
| Liothyronine Sodium | 359 | 100 |
| Metformin Hcl | 218 | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,753 across 98 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
- 2006-09-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Eric Buxton's NPI number?
- Eric Buxton's National Provider Identifier (NPI) is 1134210362, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Buxton's specialty?
- Eric Buxton is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Buxton located?
- Eric Buxton's practice location on file with NPPES is 350 Parnassus Ave, San Francisco, CA 94117-3608.
- What is Eric Buxton's phone number?
- The practice phone number listed in the NPPES registry for Eric Buxton is (415) 681-7707.
- Does Eric Buxton accept Medicare?
- Eric Buxton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Buxton's NPI active?
- Yes — Eric Buxton's NPI (1134210362) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.