IndividualActive
James Macmillan, M.D.
NPI 1376514919 · Internal Medicine Physician · Ithaca, NY
James Macmillan, M.D. is a Internal Medicine Physician provider in Ithaca, NY (NPI 1376514919).
Provider details
- NPI number
- 1376514919
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 132933-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
Cornell University Health Services
Ho Plaza
Ithaca, NY 14853-3101
Phone: (607) 255-6946
Fax: (607) 254-3503
Approximate (ZIP-level) locationGet directions
Mailing address
Cornell University Health Services
Ithaca, NY 14853-3101
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2010-10-15
Frequently asked questions
- What is James Macmillan's NPI number?
- James Macmillan's National Provider Identifier (NPI) is 1376514919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Macmillan's specialty?
- James Macmillan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Macmillan located?
- James Macmillan's practice location on file with NPPES is Cornell University Health Services, Ithaca, NY 14853-3101.
- What is James Macmillan's phone number?
- The practice phone number listed in the NPPES registry for James Macmillan is (607) 255-6946.
- Is James Macmillan's NPI active?
- Yes — James Macmillan's NPI (1376514919) is active in the NPPES registry as of the last update on 2010-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.