John Gillespie, M.D.
NPI 1558644757 · Cardiovascular Disease Physician · Buffalo, NY
John Gillespie, M.D. is a Cardiovascular Disease Physician provider in Buffalo, NY (NPI 1558644757).
Provider details
- NPI number
- 1558644757
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 135787-1 (NY)
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
14 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
- 2011-09-23
- Last updated
- 2011-09-23
Frequently asked questions
- What is John Gillespie's NPI number?
- John Gillespie's National Provider Identifier (NPI) is 1558644757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gillespie's specialty?
- John Gillespie is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Gillespie located?
- John Gillespie's practice location on file with NPPES is 190 Bryant St., Buffalo, NY 14222.
- What is John Gillespie's phone number?
- The practice phone number listed in the NPPES registry for John Gillespie is (716) 481-7414.
- Is John Gillespie's NPI active?
- Yes — John Gillespie's NPI (1558644757) is active in the NPPES registry as of the last update on 2011-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.