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John Dier, M.D.
NPI 1063473775 · Internal Medicine Physician · Cooperstown, NY
John Dier, M.D. is a Internal Medicine Physician provider in Cooperstown, NY (NPI 1063473775).
Provider details
- NPI number
- 1063473775
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 131358 (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
1 Atwell Rd
Cooperstown, NY 13326-1301
Phone: (607) 547-3772
Fax: (607) 547-3259
Street-level locationGet directions
Mailing address
Po Box 725
Cooperstown, NY 13326-0725
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2008-04-23
Frequently asked questions
- What is John Dier's NPI number?
- John Dier's National Provider Identifier (NPI) is 1063473775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dier's specialty?
- John Dier is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Dier located?
- John Dier's practice location on file with NPPES is 1 Atwell Rd, Cooperstown, NY 13326-1301.
- What is John Dier's phone number?
- The practice phone number listed in the NPPES registry for John Dier is (607) 547-3772.
- Is John Dier's NPI active?
- Yes — John Dier's NPI (1063473775) is active in the NPPES registry as of the last update on 2008-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.