Doctor profile · Federal record

Dr. Calvin Wu, M.D.

Endocrinology, Diabetes & Metabolism Physician · Glendale, CA

  • NPI 1659646891
  • 14 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 N Brand Blvd Ste 700
Glendale, CA 912032336
(917) 382-0901
Mailing address
342 5Th Ave Apt 3
San Francisco, CA 941182340

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
July 1, 2025
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A122403

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659646891. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
42
Distinct HCPCS
2
Medicare allowed
$4,427
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 23 16 $161
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 19 13 $39

In context: peer comparison

Among 4 peers in Glendale Endocrinology, Diabetes & Metabolism Physician, average services per provider: 200. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$56
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $56.15

By nature of payment

Food and Beverage
$56

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
0
Total drug cost
$31,156
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 15 0 $817
Humalog (Insulin Lispro) Brand 14 0 $14,510
Mounjaro (Tirzepatide) Brand 14 0 $15,664
Losartan Potassium Generic 13 0 $165

Frequently asked questions

Auto-generated from federal data
What is Dr. Calvin Wu's medical specialty?
Dr. Calvin Wu practices Endocrinology, Diabetes & Metabolism Physician in Glendale, CA.
Where does Dr. Calvin Wu practice?
Dr. Calvin Wu practices at 330 N Brand Blvd Ste 700, Glendale, CA 912032336. Office phone: 9173820901.
What is Dr. Calvin Wu's NPI?
Dr. Calvin Wu's National Provider Identifier (NPI) is 1659646891, issued by NPPES.
What procedures does Dr. Calvin Wu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); 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.