Nancy Schaeffer, NP
NPI 1427113067 · Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Schaeffer, NP is a Nurse Practitioner provider in Boston, MA (NPI 1427113067).
Provider details
- NPI number
- 1427113067
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 117790 (MA)
Specialties & taxonomies
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Schaeffer's NPI number?
- Nancy Schaeffer's National Provider Identifier (NPI) is 1427113067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Schaeffer's specialty?
- Nancy Schaeffer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Schaeffer located?
- Nancy Schaeffer's practice location on file with NPPES is 100 Blossom Street, Boston, MA 02114.
- What is Nancy Schaeffer's phone number?
- The practice phone number listed in the NPPES registry for Nancy Schaeffer is (617) 726-8698.
- Does Nancy Schaeffer accept Medicare?
- Nancy Schaeffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Schaeffer's NPI active?
- Yes — Nancy Schaeffer's NPI (1427113067) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.