Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nancy G Houser, NP

Q: What is the NPI number for Nancy Houser?

The National Provider Identifier (NPI) for Nancy Houser is 1548229420, a Type 1 (individual) record in the CMS NPPES registry.

Adult Health Nurse Practitioner in Wellesley, MA · enumerated 2006.

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

National Provider Identifier

1548229420

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Registry record

Entity type Individual (Type 1)

Name Nancy G Houser

Credential NP

Sex Female

Practice address 230 Worcester St, Wellesley, MA, 02481

Phone (781) 431-5200

Fax (781) 431-5298

Enumeration date Mar 21, 2006

Last updated in NPPES Jan 5, 2021

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 116900 (MA) Secondary

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 116900 (MA) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
0382931	Medicaid	MA	-
N477	Other	MA	HARVARD PILGRIM
NP1370	Other	MA	BLUE CROSS

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 Nancy Houser?

The National Provider Identifier (NPI) for Nancy Houser is 1548229420, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nancy Houser practice?

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

Other providers at this practice address

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Thomas Cooper Dermatology Physician · Wellesley, MA NPI 1932106572 Julianne Walsh Nurse Practitioner · Wellesley, MA NPI 1770584096 Fern Wirth Procedural Dermatology Physician · Wellesley, MA NPI 1982692240 James Phillips Orthopaedic Surgery Physician · Wellesley, MA NPI 1912988189 Eumene Ching Pediatrics Physician · Wellesley Hills, MA NPI 1407832975 James Cooley Pediatrics Physician · Wellesley, MA NPI 1851377659 Wendy Chabot Pediatrics Physician · Wellesley, MA NPI 1861479115 Robert Levenson Pediatrics Physician · Wellesley, MA NPI 1477532950

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-05.