Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ellen M Crompton, NP

Gerontology Nurse Practitioner in Concord, MA · enumerated 2006 · practices at Atrius Health, Inc..

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

National Provider Identifier

1497711048

Verified

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Registry record

Entity type Individual (Type 1)

Name Ellen M Crompton

Credential NP

Sex Female

Practice address 242 Baker Ave, Concord, MA, 01742

Phone (978) 287-9300

Fax (978) 287-9304

Enumeration date Apr 24, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 112291 (MA) Secondary

363LG0600X Gerontology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 112291 (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
AA4368	Other	MA	HARVARD PILGRIM
0366170	Medicaid	MA	-
NP0686	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 Ellen Crompton?

The National Provider Identifier (NPI) for Ellen Crompton is 1497711048, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ellen Crompton practice?

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

Other providers at this practice address

Browse all →

Steven Margolis Surgery Physician · Concord, MA NPI 1629128749 Atrius Health, Inc. Psychologist · Concord, MA NPI 1699810135 Edward Saef Pediatrics Physician · Concord, MA NPI 1134259732 Barbara Lewis Clinical Social Worker · Concord, MA NPI 1891133351

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.