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● Active Type 1 · Individual

Jillian Marie Blalock, DO

Emergency Medicine·Marietta, GA· NPI 1003377466 · Enumerated 2019 · 7 years on NPI
Blalock is 1 of 70 emergency medicine providers in Marietta and 1 of 2,027 in Georgia.
NPI age
7 years
Enumerated 2019-03-28
Primary specialty
Emergency Medicine
Plus 1 subspecialty
Licensed in
GA, NU
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-02-28
Source: CMS NPPES provider record
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 2027 active emergency medicine providers in Georgia.

NPI age
7 years
↓ 10 yr below median (17 yr)
State licenses
2 states
Top 70% — 29% of peers are multi-state
Subspecialties
1
In the 41% of peers with subspecialties

NPI lifetime · 2019 → 2023

2019-03Enumerated in NPPES
2019 2023

Where they practice

Practice location
677 Church St Ne
Marietta, GA 300601101
📞 7707935000
Mailing address
677 Church St Ne
Marietta, GA 300601101

Specialties

  • Emergency Medicine Primary
    An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
    GA license #91161 taxonomy 207P00000X
  • Student in an Organized Health Care Education/Training Program
    An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
    taxonomy 390200000X

Medicare directory context

Attributes below come from the CMS Doctors & Clinicians dataset used by Medicare Care Compare, retrieved 2026-10-12. They apply only to this clinician's public Medicare listing.

Medicare specialties
Emergency Medicine
Medical school
West Virginia School Of Osteopathic Medicine
Graduation year 2019
Largest Medicare group
3059 members
Largest listed enrollment group

Facility affiliations reported by CMS

  • Allatoona Emergency Group Pc
  • Gordon Emergency Physicians, Llc
  • Wellstar Medical Group Llc

Medicare listing data does not guarantee that a clinician is accepting new patients or that a service is covered. View the CMS dataset →

Practice context

Part of a multi-provider practice. 485 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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