NPI age
2 years
Enumerated 2023-06-23
● Active
Type 1 · Individual
DR. John Michael Gransbach, DNP, APRN, PMHNP-BC
Gransbach is 1 of 228 nurse practitioner providers in Atlanta and 1 of 1622 in Georgia.
Primary specialty
Nurse Practitioner
Plus 1 subspecialty
Licensed in
GA, MO
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-10-05
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1622 active nurse practitioner providers in Georgia.
NPI age
2 years
↓ 2 yr below median (4 yr)
State licenses
2 states
Top 88% — 12% of peers are multi-state
Subspecialties
1
In the 37% of peers with subspecialties
NPI lifetime · 2023 → 2026
2023-06Enumerated in NPPES
2023
2026
Where they practice
Practice location
1605 Chantilly Dr Ne Ste 110
Atlanta, GA 303243277
Mailing address
1605 Chantilly Dr Ne Ste 110
Atlanta, GA 303243277
Additional practice locations
1 secondary location on file with NPPES.
Location 2
9904 Clayton Rd Ste 135
Saint Louis, MO 631241149
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
-
Psychiatry & NeurologyPsychosomatic Medicine is subspecialty in the diagnosis and treatment of psychiatric disorders and symptoms in complex medically ill patients. This subspecialty includes treatment of patients with acute or chronic medical, neurological,...
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Recently enumerated nearby: 16 new nurse practitioner providers have been added in Atlanta in the last 180 days.
See all →
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Request a quote →How to verify this provider
- 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.