Jack Freer, MD
NPI 1154393015 · Internal Medicine Physician · Buffalo, NY
Jack Freer, MD is a Internal Medicine Physician provider in Buffalo, NY (NPI 1154393015).
Provider details
- NPI number
- 1154393015
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 127507 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-02-06
- Last updated
- 2008-08-11
Frequently asked questions
- What is Jack Freer's NPI number?
- Jack Freer's National Provider Identifier (NPI) is 1154393015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Freer's specialty?
- Jack Freer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Freer located?
- Jack Freer's practice location on file with NPPES is 900 Hertel Ave, Buffalo, NY 14216-2611.
- What is Jack Freer's phone number?
- The practice phone number listed in the NPPES registry for Jack Freer is (716) 871-1571.
- Is Jack Freer's NPI active?
- Yes — Jack Freer's NPI (1154393015) is active in the NPPES registry as of the last update on 2008-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.