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James Leyhane
NPI 1255420634 · Internal Medicine Physician · Castleton, NY
James Leyhane is a Internal Medicine Physician provider in Castleton, NY (NPI 1255420634).
Provider details
- NPI number
- 1255420634
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 112437 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
81 Miller Rd
Suite 800
Castleton, NY 12033-4035
Phone: (518) 477-2167
Street-level locationGet directions
Mailing address
711 Troy Schenectady Rd
Latham, NY 12110-2442
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2007-12-07
Frequently asked questions
- What is James Leyhane's NPI number?
- James Leyhane's National Provider Identifier (NPI) is 1255420634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Leyhane's specialty?
- James Leyhane is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Leyhane located?
- James Leyhane's practice location on file with NPPES is 81 Miller Rd, Castleton, NY 12033-4035.
- What is James Leyhane's phone number?
- The practice phone number listed in the NPPES registry for James Leyhane is (518) 477-2167.
- Is James Leyhane's NPI active?
- Yes — James Leyhane's NPI (1255420634) is active in the NPPES registry as of the last update on 2007-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.