NPI age
3 years
Enumerated 2023-01-30
● Active
Type 1 · Individual
MRS. Sharmaine K Mercer, MSN, AGACNP, PMHNP
Mercer is 1 of 1 nurse practitioner providers in Smyrna and 1 of 950 in Georgia.
Primary specialty
Nurse Practitioner
Plus 2 subspecialties
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-03-09
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 950 active nurse practitioner providers in Georgia.
NPI age
3 years
↓ 3 yr below median (6 yr)
State licenses
1 state
8% of peers hold multiple states
Subspecialties
2
In the 36% of peers with subspecialties
NPI lifetime · 2023 → 2026
2023-01Enumerated in NPPES
2023
2026
Where they practice
Practice location
3188 Atlanta Rd Se
Smyrna, GA 300808256
Mailing address
2493 Reynolds Rd Sw
Atlanta, GA 303317728
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
-
Internal MedicineAn internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
-
Nurse PractitionerDefinition to come...
Practice context
Part of a multi-provider practice. 16 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.