Robert Mills, M.D.
NPI 1639136401 · Internal Medicine Physician · St Johnsville, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Mills, M.D. is a Internal Medicine Physician provider in St Johnsville, NY (NPI 1639136401).
Provider details
- NPI number
- 1639136401
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 137718 (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
- 2006-04-27
- Last updated
- 2013-03-18
Frequently asked questions
- What is Robert Mills's NPI number?
- Robert Mills's National Provider Identifier (NPI) is 1639136401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Mills's specialty?
- Robert Mills is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Mills located?
- Robert Mills's practice location on file with NPPES is 8 Park Pl, St Johnsville, NY 13452-1332.
- What is Robert Mills's phone number?
- The practice phone number listed in the NPPES registry for Robert Mills is (518) 568-3403.
- Does Robert Mills accept Medicare?
- Robert Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Mills's NPI active?
- Yes — Robert Mills's NPI (1639136401) is active in the NPPES registry as of the last update on 2013-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.