Charles Schaeffer, M.D.
NPI 1568428944 · Rheumatology Physician · Cooperstown, NY
Charles Schaeffer, M.D. is a Rheumatology Physician provider in Cooperstown, NY (NPI 1568428944).
Provider details
- NPI number
- 1568428944
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 164193 (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
- 2006-04-25
- Last updated
- 2008-07-29
Frequently asked questions
- What is Charles Schaeffer's NPI number?
- Charles Schaeffer's National Provider Identifier (NPI) is 1568428944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Schaeffer's specialty?
- Charles Schaeffer is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Schaeffer located?
- Charles Schaeffer's practice location on file with NPPES is 1 Atwell Rd, Cooperstown, NY 13326-1301.
- What is Charles Schaeffer's phone number?
- The practice phone number listed in the NPPES registry for Charles Schaeffer is (607) 547-3284.
- Is Charles Schaeffer's NPI active?
- Yes — Charles Schaeffer's NPI (1568428944) is active in the NPPES registry as of the last update on 2008-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.