Doctor profile · Federal record

Dr. Anita Chang, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Oakland, CA

  • NPI 1013233535
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
818 Webster St, Asian Health Services
Oakland, CA 94607
(510) 986-6800

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
October 10, 2013
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A125147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013233535. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
38
Distinct HCPCS
1
Medicare allowed
$666
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 38 35 $18

In context: peer comparison

Among 78 peers in this city , average services per provider: 326. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $26.98

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,422
Patients
523
Total drug cost
$94,643
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 275 97 $8,638
Amlodipine Besylate Generic 211 74 $6,340
Metformin Hcl Generic 172 58 $4,904
Losartan Potassium Generic 141 51 $5,224
Famotidine Generic 87 30 $1,861
Diclofenac Sodium Generic 86 46 $2,641
Simvastatin Generic 63 23 $2,178
Triamcinolone Acetonide Generic 62 29 $733
Alendronate Sodium Generic 61 26 $1,810
Fluticasone Propionate Generic 60 23 $1,289

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anita Chang's medical specialty?
Dr. Anita Chang practices Internal Medicine Physician in Oakland, CA.
Where does Dr. Anita Chang practice?
Dr. Anita Chang practices at 818 Webster St, Oakland, CA 94607. Office phone: 5109866800.
What is Dr. Anita Chang's NPI?
Dr. Anita Chang's National Provider Identifier (NPI) is 1013233535, issued by NPPES.
Does Dr. Anita Chang accept Medicare assignment?
Yes. Dr. Anita Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anita Chang commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.