Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Atrius Health, Inc.

Internal Medicine Physician in Chelmsford, MA · enumerated 2007 · authorized official Steve Strongwater, President.

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

National Provider Identifier

1174746275

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Registry record

Entity type Organization (Type 2)

Legal business name Atrius Health, Inc.

Other name <Unavail>

Practice address 228 Billerica Rd, Chelmsford, MA, 01824

Phone (978) 250-6000

Fax (978) 244-6610

Enumeration date Apr 10, 2007

Last updated in NPPES Jun 20, 2022

Taxonomy & classification

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Secondary

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians Secondary

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians Secondary

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians Secondary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians Secondary

2085B0100X Body Imaging Physician Allopathic & Osteopathic Physicians Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians Secondary

231H00000X Audiologist Speech, Language and Hearing Service Providers Secondary

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Secondary

Authorized official

Name Steve Strongwater

Title President

Phone (617) 559-8042

Other identifiers

Identifier	Type	State	Issuer
42736	Other	MA	BEACON HEALTH
0014258	Other	MA	NEIGHBORHOOD HEALTH PLAN
M16858	Other	MA	BLUE CROSS BLUE SHIELD

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.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2022-06-20. Verify at npiregistry.cms.hhs.gov.

Where is Atrius Health, Inc. located?

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

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-20.