Melissa Weinberg, M.D.
NPI 1659399079 · Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Weinberg, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in San Francisco, CA (NPI 1659399079).
Provider details
- NPI number
- 1659399079
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 219322 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
956 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 342 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 306 | $153 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 100 | $39 |
| Hemoglobin A1c Level83036 | 96 | $10 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 24 | $88 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 205 | 54 |
| Semaglutidebrand: Ozempic | 180 | 41 |
| Empagliflozinbrand: Jardiance | 153 | 36 |
| Metformin Hclbrand: Metformin Hcl Er | 127 | 36 |
| Atorvastatin Calcium | 124 | 37 |
| Levothyroxine Sodiumbrand: Synthroid | 87 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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
Additional practice locations (1)
- Veterans Affairs Med Ctr 111n4150 Clement StreetSan Francisco, CA 94121Phone: (415) 750-2089
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2023-03-07
Frequently asked questions
- What is Melissa Weinberg's NPI number?
- Melissa Weinberg's National Provider Identifier (NPI) is 1659399079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Weinberg's specialty?
- Melissa Weinberg is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Weinberg located?
- Melissa Weinberg's practice location on file with NPPES is 1375 Sutter St Ste 208, San Francisco, CA 94109.
- What is Melissa Weinberg's phone number?
- The practice phone number listed in the NPPES registry for Melissa Weinberg is (415) 600-0110.
- Does Melissa Weinberg accept Medicare?
- Melissa Weinberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Weinberg's NPI active?
- Yes — Melissa Weinberg's NPI (1659399079) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.