Peter Schaefer, MD
NPI 1811646417 · Pediatrics Physician · Nashua, NH
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Schaefer, MD is a Pediatrics Physician provider in Nashua, NH (NPI 1811646417).
Provider details
- NPI number
- 1811646417
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39340 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-03-21
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Peter Schaefer's NPI number?
- Peter Schaefer's National Provider Identifier (NPI) is 1811646417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Schaefer's specialty?
- Peter Schaefer is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Schaefer located?
- Peter Schaefer's practice location on file with NPPES is 8 Prospect St, Nashua, NH 03060-3925.
- What is Peter Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Peter Schaefer is (603) 577-2565.
- Does Peter Schaefer accept Medicare?
- Peter Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Schaefer's NPI active?
- Yes — Peter Schaefer's NPI (1811646417) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.