Mark Hannay, MD
NPI 1639505951 · Internal Medicine Physician · Pooler, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hannay, MD is a Internal Medicine Physician provider in Pooler, GA (NPI 1639505951).
Provider details
- NPI number
- 1639505951
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101263782 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 1400 Coleman AveMacon, GA 31207-0001Phone: (478) 301-2600
- 1101 Lexington AveSavannah, GA 31404-5502Phone: (912) 350-7171
- 614 Mccain St Ste 310Kingsville, TX 78363Phone: (361) 516-6313
Registry dates
- Enumerated
- 2013-09-18
- Last updated
- 2025-06-17
- Certified
- 2025-06-17
Frequently asked questions
- What is Mark Hannay's NPI number?
- Mark Hannay's National Provider Identifier (NPI) is 1639505951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hannay's specialty?
- Mark Hannay is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hannay located?
- Mark Hannay's practice location on file with NPPES is 1000 Towne Center Blvd Bldg 1200, Pooler, GA 31322-4129.
- What is Mark Hannay's phone number?
- The practice phone number listed in the NPPES registry for Mark Hannay is (706) 266-2411.
- Does Mark Hannay accept Medicare?
- Mark Hannay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hannay's NPI active?
- Yes — Mark Hannay's NPI (1639505951) is active in the NPPES registry as of the last update on 2025-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.