● Active Type 1 · Individual

DR. Cassie Grimsley Ackerley, MD, MSC

Internal Medicine·Decatur, GA· NPI 1558628818 · Enumerated 2012 · 14 years on NPI

Grimsley Ackerley is 1 of 33 internal medicine providers in Decatur and 1 of 414 in Georgia.

NPI age

14 years

Enumerated 2012-04-11

Primary specialty

Internal Medicine

Plus 1 subspecialty

Licensed in

1 state

Status

Active

No deactivations on record

Last NPPES update

2024-12-12

Source: monthly bulk 2026-05

Sole proprietor

Yes

Solo practice on file

How this provider compares

Across 414 active internal medicine providers in Georgia.

NPI age

14 years

↓ 4 yr below median (18 yr)

State licenses

1 state

18% of peers hold multiple states

Subspecialties

In the 40% of peers with subspecialties

NPI lifetime · 2012 → 2026

2012-04Enumerated in NPPES

2012 2026

Where they practice

Practice location

500 Irvin Ct Ste 200

Decatur, GA 300301705

📞 4047121370

Mailing address

3131 N Druid Hills Rd Apt 10103

Decatur, GA 300332663

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine

Internal Medicine Primary

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients...

GA license #76724 taxonomy 207RI0200X
Pediatrics

A pediatrician trained to care for children in the diagnosis, treatment and prevention of infectious diseases. This specialist can apply specific knowledge to affect a better outcome for pediatric infections with complicated courses,...

GA license #76724 taxonomy 2080P0208X

Practice context

Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.

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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.