Sarah Sullivan, MD
NPI 1811061716 · Hospitalist Physician · Greenfield, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Sullivan, MD is a Hospitalist Physician provider in Greenfield, MA (NPI 1811061716).
Provider details
- NPI number
- 1811061716
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 12323 (NH)
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
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
- 2006-11-20
- Last updated
- 2009-05-11
Frequently asked questions
- What is Sarah Sullivan's NPI number?
- Sarah Sullivan's National Provider Identifier (NPI) is 1811061716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Sullivan's specialty?
- Sarah Sullivan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Sullivan located?
- Sarah Sullivan's practice location on file with NPPES is 164 High Street, Greenfield, MA 01301-2778.
- What is Sarah Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Sarah Sullivan is (413) 772-0211.
- Does Sarah Sullivan accept Medicare?
- Sarah Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Sullivan's NPI active?
- Yes — Sarah Sullivan's NPI (1811061716) is active in the NPPES registry as of the last update on 2009-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.