Doctor profile · Federal record

Dr. Angela Chang, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Family Medicine Physician · Stillwater, OK

  • NPI 1679776199
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1815 W 6Th Ave
Stillwater, OK 740744202
(405) 743-7300
Mailing address
6600 S Yale Ave, Suite 1400
Tulsa, OK 741363347

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 3, 2010
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (3)
Oklahoma #27541 · Florida #TRN11002 · Florida #ME106278
Medicaid
FL #002428900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679776199. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
213
Distinct HCPCS
3
Medicare allowed
$19,434
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 127 123 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 57 56 $63
99215 Established patient office or other outpatient visit, 40-54 minutes 29 28 $137

In context: peer comparison

Among 7 peers in Stillwater Family Medicine Physician, average services per provider: 112. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
108
Patients
108
Total drug cost
$959
Drug Type Claims Patients Total cost
Azithromycin Generic 28 28 $160
Prednisone Generic 26 26 $54
Cephalexin Generic 17 17 $82
Doxycycline Monohydrate Generic 14 14 $207
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 12 $410
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 11 11 $46

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Angela Chang's medical specialty?
Dr. Angela Chang practices Family Medicine Physician in Stillwater, OK.
Where does Dr. Angela Chang practice?
Dr. Angela Chang practices at 1815 W 6Th Ave, Stillwater, OK 740744202. Office phone: 4057437300.
What is Dr. Angela Chang's NPI?
Dr. Angela Chang's National Provider Identifier (NPI) is 1679776199, issued by NPPES.
Does Dr. Angela Chang accept Medicare assignment?
Yes. Dr. Angela Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Angela Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.