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HARVARD VANGUARD MEDICAL ASSOCIATES
NPI 1154535813
Internal Medicine in Somerville, MA

Active since May 10, 2007CLIA 22D0666229 · Accreditation
40 HOLLAND ST, SOMERVILLE, MA 02144(617) 629-6000(617) 629-6070 Get Directions Write a Review

NPPES record last updated: June 20, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Harvard Vanguard Medical Associates NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HARVARD VANGUARD MEDICAL ASSOCIATES (NPI 1154535813) is a healthcare organization registered as an internal medicine in Somerville, Massachusetts and active in the NPI registry since May 2007. The organization holds an CLIA Accreditation certificate valid through September 8, 2026 and lists Steve Strongwater, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1154535813
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameATRIUS HEALTH, INC.
Location Address40 HOLLAND STSomerville, MA 02144-2705
Mailing Address275 Grove St, Suite 3-300Auburndale, MA 02466-2272 · (617) 559-8374 · Fax (617) 421-3487
Phone(617) 629-6000
Fax(617) 629-6070
Organization SubpartNo
Authorized OfficialSteve StrongwaterChief Executive Officer · (617) 559-8042
Enumeration DateMay 10, 2007
Last NPPES UpdateJune 20, 2022
NPPES CertifiedJune 20, 2022
✔ NPI 1154535813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedDentistTaxonomy 122300000X
Also ListedRegistered NurseTaxonomy 163W00000X
Also ListedDermatologyTaxonomy 207N00000X
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedOphthalmologyTaxonomy 207W00000X
Also ListedPediatricsTaxonomy 208000000X
Also ListedRadiology · Body ImagingTaxonomy 2085B0100X
Also ListedSurgeryTaxonomy 208600000X
Also ListedUrologyTaxonomy 208800000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
40 HOLLAND ST, Somerville, MA 02144
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Other Names 1

Doing Business AsHarvard Vanguard Medical Associates

Other Identifiers 3

Other0014265MA · Neighborhood Health Plan
Other42740MA · Beacon Health Plan
OtherM16869MA · Blue Cross Blue Shield

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 22D0666229

Atrius Health Somerville · Somerville, MA
Active · expires Sep 8, 2026
CLIA Number22D0666229
Laboratory TypeClinic
Certificate Effective DateSeptember 9, 2024
Certificate Expiration DateSeptember 8, 2026
Laboratory DirectorDr. Jessica L. Wang
Laboratory Phone(617) 629-6140
Laboratory LocationAtrius Health Somerville40 Holland Street, Somerville, MA 02144
CLIA data matches this NPI record on: Address Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH AHLBORN NECHEV
Nurse Practitioner
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 657-6445
HENRY W STOLL PA
Physician Assistant (Medical)
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6000
D. SCOTT GILBERT PA-C
Physician Assistant
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 654-7111
STEPHANIE E. NEALY RD, LDN
Dietitian, Registered
40 HOLLAND ST, NUTRITION
SOMERVILLE, MA 02144
Middlesex County (617) 629-6444
MARIA ELIZABETH HEDBERG FNP
Nurse Practitioner (Family)
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6000
MRS. ANNETTE OHEARN 5532-DO-DO
Technician/Technologist (Optician)
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6378
SHEENA ANN FREMAULT MACEDO FNP-C
Nurse Practitioner
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6032
RICHARD MICHALOWSKI DMD
Dentist (General Practice)
40 HOLLAND ST
SOMERVILLE, MA 02144
Middlesex County (617) 629-6080

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Atrius Health, Inc.'s NPI number?

The NPI number for Atrius Health, Inc. is 1154535813. It was assigned to this organization in the NPPES registry on May 10, 2007. The provider is doing business as Harvard Vanguard Medical Associates.

Where is Atrius Health, Inc. located?

Atrius Health, Inc. is located at 40 Holland St, Somerville, MA 02144. The listed phone number is (617) 629-6000.

What is Atrius Health, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Atrius Health, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 22D0666229) is associated with this NPI, valid through September 8, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Atrius Health, Inc. was last updated on June 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.