Doctor profile · Federal record

Dr. Margaret Chang, M.D.

Family Medicine Physician · Lawrenceville, GA

  • NPI 1770522476
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
88 Johnson RD Bldg 2
Lawrenceville, GA 300465520
(404) 369-1907
fax (404) 369-1970
Mailing address
88 Johnson RD
Lawrenceville, GA 300465520

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 30, 2024
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Georgia #81245

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770522476. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
210
Distinct HCPCS
3
Medicare allowed
$27,314
HCPCS Description Services Patients Avg allowed
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 111 102 $177
99315 Nursing facility discharge day management, 30 minutes or less 55 53 $80
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 44 37 $73

In context: peer comparison

Among 18 peers in this city , average services per provider: 92. This provider delivers 2.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
60
Patients
0
Total drug cost
$412
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 16 0 $118
Metoprolol Tartrate Generic 15 0 $83
Pantoprazole Sodium Generic 15 0 $127
Tamsulosin Hcl Generic 14 0 $84

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Chang's medical specialty?
Dr. Margaret Chang practices Family Medicine Physician in Lawrenceville, GA.
Where does Dr. Margaret Chang practice?
Dr. Margaret Chang practices at 88 Johnson RD Bldg 2, Lawrenceville, GA 300465520. Office phone: 4043691907.
What is Dr. Margaret Chang's NPI?
Dr. Margaret Chang's National Provider Identifier (NPI) is 1770522476, issued by NPPES.
What procedures does Dr. Margaret Chang commonly perform?
Top Medicare-reported procedures in 2023: Initial nursing facility care with high level of medical decision making (HCPCS 99306); Nursing facility discharge day management (HCPCS 99315); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.