William Schaefer, P.A.
NPI 1245256742 · Physician Assistant · Lebanon, NH
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Schaefer, P.A. is a Physician Assistant provider in Lebanon, NH (NPI 1245256742).
Provider details
- NPI number
- 1245256742
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- C0003179 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Testosterone Cypionate | 116 | 26 |
| Estradiol | 95 | 19 |
| Spironolactone | 75 | 20 |
| Estradiol Valerate | 41 | — |
| Testosterone | 38 | 13 |
| Finasteride | 34 | — |
| Gabapentin | 23 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-15
- Last updated
- 2021-04-08
- Certified
- 2021-04-08
Frequently asked questions
- What is William Schaefer's NPI number?
- William Schaefer's National Provider Identifier (NPI) is 1245256742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Schaefer's specialty?
- William Schaefer is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Schaefer located?
- William Schaefer's practice location on file with NPPES is 18 Old Etna Rd, Lebanon, NH 03766-1937.
- What is William Schaefer's phone number?
- The practice phone number listed in the NPPES registry for William Schaefer is (603) 650-4000.
- Does William Schaefer accept Medicare?
- William Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Schaefer's NPI active?
- Yes — William Schaefer's NPI (1245256742) is active in the NPPES registry as of the last update on 2021-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.