NPI age
18 years
Enumerated 2007-06-11
● Active
Type 1 · Individual
DR. Diane Marie Simpson, MD
Simpson is 1 of 70 preventive medicine providers in Atlanta and 1 of 131 in Georgia.
Primary specialty
Preventive Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 131 active preventive medicine providers in Georgia.
NPI age
18 years
↑ 4 yr above median (14 yr)
State licenses
1 state
7% of peers hold multiple states
Subspecialties
0
26% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-06Enumerated in NPPES
2007
2026
Where they practice
Practice location
1600 Clifton Road, Mailstop A22
Atlanta, GA 30333
Mailing address
800 N Market St
Frederick, MD 217014609
Specialties
-
Preventive Medicine PrimaryPublic health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with...
Practice context
Part of a multi-provider practice. 4 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.