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

DR. JOHN MICHAEL AMBROSE DDS
NPI 1306811815
Dentist - Periodontics in Saint Marys, GA

Active since February 19, 2006
4445 HWY 40, STE 405, SAINT MARYS, GA 31558(912) 510-7123(912) 510-7126 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. John Michael Ambrose Dds NPPES

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

DR. JOHN MICHAEL AMBROSE DDS (NPI 1306811815) is an individual periodontics provider in Saint Marys, Georgia, licensed in Georgia (11405) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1306811815
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameDR. JOHN MICHAEL AMBROSECredential: DDS
Location Address4445 HWY 40, STE 405Saint Marys, GA 31558-4099
Mailing Address4445 Hwy 40 E, Ste 405Saint Marys, GA 31558 · (912) 510-7123 · Fax (912) 510-7126
Fax(912) 510-7126
Sole ProprietorNo
Enumeration DateFebruary 19, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1306811815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
License Licensed in GA · 11405
Definition
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.
4445 HWY 40, Saint Marys, GA 31558

Other Providers at the Same Location NPPES 3

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

Family Medicine
4445 HWY 40
SAINT MARYS, GA 31558
Clinic/Center (Mental Health (Including Community Mental Health Center))
4445 HWY 40, SUITE 601
SAINT MARYS, GA 31558
Psychologist
4445 HWY 40, SATURDAY PARK 503
SAINT MARYS, GA 31558

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 John Ambrose's NPI number?

The NPI number for John Ambrose is 1306811815. It was assigned to this individual provider in the NPPES registry on February 19, 2006.

Where is John Ambrose located?

John Ambrose practices at 4445 Hwy 40 Ste 405, Saint Marys, GA 31558. The listed phone number is (912) 510-7123.

What is John Ambrose's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

When was this NPI record last updated?

The NPPES record for John Ambrose 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.