Iris Sullivan MD PC

Iris Sullivan MD PC is a healthcare organization registered as Family Nurse Practitioner in Fitchburg, MA, holding Type 2 (organization) NPI 1306137518 since 2011. The authorized official on file is Iris Sullivan, Physician.

✓ Active NPI ✓ Valid NPI checksum

NPI	1306137518
Entity type	Organization (Type 2)
Legal business name	Iris Sullivan MD PC
Practice address	46 WHALON STREET, Fitchburg, MA, 01420
Phone	9783424500
Fax	9783424600
Enumeration date	2011-04-21
Last updated in NPPES	2011-04-21

Authorized official

Name	Iris Sullivan
Title	Physician
Phone	9783424500

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
363LF0000X	Family Nurse Practitioner	Primary	RN281239	MA

Copy-ready billing details

Provider: Iris Sullivan MD PC
NPI: 1306137518
Taxonomy: 363LF0000X (Family Nurse Practitioner)
Address: 46 WHALON STREET, Fitchburg, MA, 01420

Verify this record

Cross-check NPI 1306137518 against the authoritative CMS record: view Iris Sullivan MD PC on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Iris Sullivan MD PC located?

The practice location on file with NPPES is in Fitchburg, MA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-04-21. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-04-21.