Zack Martin, M.D.
NPI 1427042514 · Gastroenterology Physician · Lawrenceville, GA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zack Martin, M.D. is a Gastroenterology Physician provider in Lawrenceville, GA (NPI 1427042514).
Provider details
- NPI number
- 1427042514
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 029348 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-06
- Last updated
- 2013-01-25
Frequently asked questions
- What is Zack Martin's NPI number?
- Zack Martin's National Provider Identifier (NPI) is 1427042514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zack Martin's specialty?
- Zack Martin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Zack Martin located?
- Zack Martin's practice location on file with NPPES is 721 Wellness Way, Lawrenceville, GA 30046.
- What is Zack Martin's phone number?
- The practice phone number listed in the NPPES registry for Zack Martin is (770) 995-7989.
- Does Zack Martin accept Medicare?
- Zack Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zack Martin's NPI active?
- Yes — Zack Martin's NPI (1427042514) is active in the NPPES registry as of the last update on 2013-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.