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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. THOMAS A. GRILLO M.D.
NPI 1235171380
Obstetrics & Gynecology - Obstetrics in Snellville, GA

Active since June 12, 2006
1700 TREE LANE RD, SUITE 230, SNELLVILLE, GA 30078(770) 979-4700(770) 979-1060 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Thomas A. Grillo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS A. GRILLO M.D. (NPI 1235171380) is an individual obstetrics provider in Snellville, Georgia, licensed in Georgia (020720) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1235171380
Entity TypeIndividualMale
Primary Taxonomy207VX0000X
Provider Legal NameDR. THOMAS A. GRILLOCredential: M.D.
Location Address1700 TREE LANE RD, SUITE 230Snellville, GA 30078-6782
Mailing Address1700 Tree Lane Rd, Suite 230Snellville, GA 30078-6782 · (770) 979-4700 · Fax (770) 979-1060
Phone(770) 979-4700
Fax(770) 979-1060
Sole ProprietorNo
Enumeration DateJune 12, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1235171380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in GA · 020720
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
1700 TREE LANE RD, Snellville, GA 30078
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Other Identifiers 1

Medicaid00240831AGA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. GARY LEONARD WALKER M.D.
Obstetrics & Gynecology
1700 TREE LANE RD, SUITE 290
SNELLVILLE, GA 30078
Gwinnett County (770) 972-0330
GEORGIA OPHTHALMOLOGY ASSOC PC
Durable Medical Equipment & Medical Supplies (Customized Equipment)
1700 TREE LANE RD, SUITE 135
SNELLVILLE, GA 30078
Gwinnett County (404) 298-5557
THOMAS M MAHON MD
Pediatrics
1700 TREE LANE RD, STE 110
SNELLVILLE, GA 30078
Gwinnett County (770) 972-0860
LIZA TANGHAL PA C
Physician Assistant (Medical)
1700 TREE LANE RD, STE 320
SNELLVILLE, GA 30078
Gwinnett County (770) 985-6233
GWINNETT OB-GYN ASSOCIATES, P.C..
Obstetrics & Gynecology (Obstetrics)
1700 TREE LANE RD, SUITE 290
SNELLVILLE, GA 30078
Gwinnett County (770) 972-0330
R ARNOLD ISLEY MD
Pediatrics
1700 TREE LANE RD, STE 110
SNELLVILLE, GA 30078
Gwinnett County (770) 972-0860
DR. HALEH P. HAMIDI M.D.
Obstetrics & Gynecology
1700 TREE LANE RD, SUITE 290
SNELLVILLE, GA 30078
Gwinnett County (770) 972-0330
DR. NAHED ELGAMMAL M.D.
Obstetrics & Gynecology
1700 TREE LANE RD, SUITE 290
SNELLVILLE, GA 30078
Gwinnett County (770) 972-0330

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Grillo's NPI number?

The NPI number for Thomas Grillo is 1235171380. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Thomas Grillo located?

Thomas Grillo practices at 1700 Tree Lane Rd Suite 230, Snellville, GA 30078. The listed phone number is (770) 979-4700.

What is Thomas Grillo's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

When was this NPI record last updated?

The NPPES record for Thomas Grillo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.