Margaret Y. Chang, M.D.
Family Medicine Physician · Lawrenceville, GA
Margaret Y. Chang, M.D. is a family medicine physician with a practice address in Lawrenceville, Georgia, and NPI 1770522476, issued on Jun 6, 2006. Check the license (Georgia 81245, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Y. Chang
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 81245 GA
Self-reported in NPPES; status is on the state search - Practice location
- 88 Johnson RD Bldg 2, Lawrenceville, GA 30046
- Phone
- (404) 369-1907
- Enumerated
- Jun 6, 2006
- Record last updated
- Jan 30, 2024
- Fax
- (404) 369-1970
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,951 in Georgia → Look up another NPI →
Verify Margaret Y. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 81245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
451 Medicare Part D claims for 18 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium63 claims
- Eliquis38 claims
- Amlodipine Besylate37 claims
- Pantoprazole Sodium36 claims
- Clopidogrel34 claims
- Metformin Hcl31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Margaret Y. Chang among 3,951 family medicine physician records in Georgia
Margaret Y. Chang, M.D. is one of 3,951 family medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 family medicine physician records list a practice address in Lawrenceville
They are 69 of the 4,400 NPPES records with a practice address in Lawrenceville, and 3,951 family medicine physician records in Georgia.
All 3,951 in Georgia → Every provider in Lawrenceville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nadia Cameron, M.D.Lawrenceville, GA 300461033134556
- Daniel Daugherty, MDLawrenceville, GA 300461962493502
- Eugene Hwang, M.D.Lawrenceville, GA 300461184821753
- Hira Kohli, MDLawrenceville, GA 300461831230143
- Tracy Murray, MDLawrenceville, GA 300461942494307
- Amimi Osayande, M.D.Lawrenceville, GA 300461821288077
- Tik Pau, M.D.Lawrenceville, GA 300461114347580
- Carolyn Petrey, DOLawrenceville, GA 300461003923145
Common questions
What is Margaret Y. Chang, M.D.'s NPI number?
Margaret Y. Chang, M.D.'s National Provider Identifier (NPI) is 1770522476, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Y. Chang, M.D. located?
The NPPES record lists a practice address at 88 Johnson RD Bldg 2, Lawrenceville, GA, 30046. Phone: (404) 369-1907. Providers update this record themselves, so call before visiting.
How can I verify Margaret Y. Chang, M.D.'s license?
NPPES lists Georgia license number 81245, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Y. Chang, M.D. prescribe under Medicare Part D?
In 2024, Margaret Y. Chang, M.D. had 451 Medicare Part D claims for 18 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.