Doctor profile · Federal record

Dr. Diana Wu, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Los Angeles, CA

  • NPI 1588001622
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 W 30Th St
Los Angeles, CA 900073320
(213) 284-3200
Mailing address
5110 Telegraph Ave Unit 232
Oakland, CA 946091973

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
October 6, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
California #133043 · New Hampshire #20118

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588001622. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
26
Distinct HCPCS
1
Medicare allowed
$405
HCPCS Description Services Patients Avg allowed
93040 Electrocardiogram (ecg) 1 to 3 leads with review by physician 26 23 $16

In context: peer comparison

Among 120 peers in Los Angeles Family Medicine Physician, average services per provider: 119. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$73
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Ferring Pharmaceuticals INC. 2 $46.14
Hologic Sales and Service, LLC 1 $26.97

By nature of payment

Food and Beverage
$73

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
622
Patients
372
Total drug cost
$19,489
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 118 67 $4,212
Diclofenac Sodium Generic 77 55 $2,448
Amlodipine Besylate Generic 67 41 $2,174
Losartan Potassium Generic 62 37 $2,102
Alendronate Sodium Generic 38 22 $1,157
Fluticasone Propionate Generic 36 22 $604
Metoprolol Succinate Generic 35 21 $1,942
Gabapentin Generic 34 22 $811
Metformin Hcl Generic 26 15 $427
Famotidine Generic 24 15 $995

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Wu's medical specialty?
Dr. Diana Wu practices Family Medicine Physician in Los Angeles, CA.
Where does Dr. Diana Wu practice?
Dr. Diana Wu practices at 400 W 30Th St, Los Angeles, CA 900073320. Office phone: 2132843200.
What is Dr. Diana Wu's NPI?
Dr. Diana Wu's National Provider Identifier (NPI) is 1588001622, issued by NPPES.
Does Dr. Diana Wu accept Medicare assignment?
Yes. Dr. Diana Wu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Wu commonly perform?
Top Medicare-reported procedures in 2023: Electrocardiogram (ecg) 1 to 3 leads with review by physician (HCPCS 93040). Source: CMS Medicare Physician & Other Practitioners file.