Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Michael Mulroy, M.D.

Q: What is the NPI number for John Mulroy?

The National Provider Identifier (NPI) for John Mulroy is 1508809690, a Type 1 (individual) record in the CMS NPPES registry.

Orthopaedic Surgery Physician in Milford, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1508809690

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Registry record

Entity type Individual (Type 1)

Name Dr. John Michael Mulroy

Credential M.D.

Sex Male

Practice address 321 Fortune Blvd, Milford, MA, 01757

Phone (508) 478-7135

Fax (508) 473-7198

Enumeration date Jun 14, 2006

Last updated in NPPES Aug 28, 2025

Taxonomy & licenses

207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License 55474 (MA) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 55474 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
055474	Other	MA	TUFTS HEALTH PLAN
0019234	Other	MA	NEIGHBORHOOD HEALTH PLAN
1369309	Other	MA	CIGNA HEALTHCARE
17354	Other	MA	HARVARD PILGRIM
3054896	Medicaid	MA	-
24722	Other	MA	FALLON
3626441	Other	MA	AETNA

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for John Mulroy?

The National Provider Identifier (NPI) for John Mulroy is 1508809690, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Mulroy practice?

The practice location on file with NPPES is in Milford, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-28.