Iris Sullivan, MD
NPI 1780640961 · Family Medicine Physician · Fitchburg, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Iris Sullivan, MD is a Family Medicine Physician provider in Fitchburg, MA (NPI 1780640961).
Provider details
- NPI number
- 1780640961
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 156837 (MA)
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
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
- 2009-07-09
Frequently asked questions
- What is Iris Sullivan's NPI number?
- Iris Sullivan's National Provider Identifier (NPI) is 1780640961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Iris Sullivan's specialty?
- Iris Sullivan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Iris Sullivan located?
- Iris Sullivan's practice location on file with NPPES is 64 Whalon Street, Fitchburg, MA 01420.
- What is Iris Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Iris Sullivan is (978) 809-0037.
- Does Iris Sullivan accept Medicare?
- Iris Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Iris Sullivan's NPI active?
- Yes — Iris Sullivan's NPI (1780640961) is active in the NPPES registry as of the last update on 2009-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.