John Demarchi, M.D.
NPI 1245253889 · Orthopaedic Surgery Physician · Orchard Park, NY
John Demarchi, M.D. is a Orthopaedic Surgery Physician provider in Orchard Park, NY (NPI 1245253889).
Provider details
- NPI number
- 1245253889
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 104410 (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
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
- 2006-07-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Demarchi's NPI number?
- John Demarchi's National Provider Identifier (NPI) is 1245253889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Demarchi's specialty?
- John Demarchi is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Demarchi located?
- John Demarchi's practice location on file with NPPES is 3673 Southwestern Blvd, Orchard Park, NY 14127-1740.
- What is John Demarchi's phone number?
- The practice phone number listed in the NPPES registry for John Demarchi is (716) 662-8093.
- Is John Demarchi's NPI active?
- Yes — John Demarchi's NPI (1245253889) 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.