Doctor profile · Federal record

Dr. Melissa Weinberg, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA

  • NPI 1659399079
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1375 Sutter St Ste 208
San Francisco, CA 94109
(415) 600-0110
fax (415) 558-7038
Additional location
Veterans Affairs MED Ctr 111N, 4150 Clement Street
San Francisco, CA 94121
(415) 750-2089
Mailing address
2350 W El Camino Real Fl 2
Mountain View, CA 940406203

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
California #A89190 · Massachusetts #219322

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659399079. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
464
Distinct HCPCS
6
Medicare allowed
$54,910
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 260 166 $152
83036 Hemoglobin a1c level 76 52 $10
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 52 28 $39
99215 Established patient office or other outpatient visit, 40-54 minutes 30 26 $201
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $260
82962 Blood glucose (sugar) test performed by hand-held instrument 21 19 $3

In context: peer comparison

Among 14 peers in San Francisco Endocrinology, Diabetes & Metabolism Physician, average services per provider: 88. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 1 $20.52

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,183
Patients
278
Total drug cost
$601,727
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 215 55 $4,649
Jardiance (Empagliflozin) Brand 126 26 $162,515
Atorvastatin Calcium Generic 120 31 $1,814
Ozempic (Semaglutide) Brand 105 16 $155,502
Metformin Hcl ER (Metformin Hcl) Brand 104 33 $1,710
Metformin Hcl Generic 70 19 $1,729
Trulicity (Dulaglutide) Brand 70 18 $159,883
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 67 18 $40,815
Synthroid (Levothyroxine Sodium) Brand 65 16 $6,798
Losartan Potassium Generic 64 17 $904

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Weinberg's medical specialty?
Dr. Melissa Weinberg practices Endocrinology, Diabetes & Metabolism Physician in San Francisco, CA.
Where does Dr. Melissa Weinberg practice?
Dr. Melissa Weinberg practices at 1375 Sutter St Ste 208, San Francisco, CA 94109. Office phone: 4156000110.
What is Dr. Melissa Weinberg's NPI?
Dr. Melissa Weinberg's National Provider Identifier (NPI) is 1659399079, issued by NPPES.
Does Dr. Melissa Weinberg accept Medicare assignment?
Yes. Dr. Melissa Weinberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Weinberg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.