Mac Greganti, MD
NPI 1063587806 · Geriatric Medicine (Internal Medicine) Physician · Chapel Hill, NC
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mac Greganti, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Chapel Hill, NC (NPI 1063587806).
Provider details
- NPI number
- 1063587806
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21652 (NC)
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
19 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
- 2006-11-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mac Greganti's NPI number?
- Mac Greganti's National Provider Identifier (NPI) is 1063587806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mac Greganti's specialty?
- Mac Greganti is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mac Greganti located?
- Mac Greganti's practice location on file with NPPES is 101 Manning Dr, Chapel Hill, NC 27599-0001.
- What is Mac Greganti's phone number?
- The practice phone number listed in the NPPES registry for Mac Greganti is (919) 966-4996.
- Does Mac Greganti accept Medicare?
- Mac Greganti is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mac Greganti's NPI active?
- Yes — Mac Greganti's NPI (1063587806) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.