Gregory Mack, M.D.
NPI 1528169513 · Surgery of the Hand (Surgery) Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Hand Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Mack, M.D. is a Surgery of the Hand (Surgery) Physician provider in San Diego, CA (NPI 1528169513).
Provider details
- NPI number
- 1528169513
- Entity type
- Individual
- Primary specialty
- Surgery of the Hand (Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G37547 (CA)
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
- 2006-09-25
- Last updated
- 2013-08-06
Frequently asked questions
- What is Gregory Mack's NPI number?
- Gregory Mack's National Provider Identifier (NPI) is 1528169513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Mack's specialty?
- Gregory Mack is listed in the NPPES registry with a primary specialty of Surgery of the Hand (Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Mack located?
- Gregory Mack's practice location on file with NPPES is 8008 Frost St, San Diego, CA 92123-4205.
- What is Gregory Mack's phone number?
- The practice phone number listed in the NPPES registry for Gregory Mack is (858) 715-9200.
- Does Gregory Mack accept Medicare?
- Gregory Mack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Mack's NPI active?
- Yes — Gregory Mack's NPI (1528169513) is active in the NPPES registry as of the last update on 2013-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.