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HARVARD VANGUARD MEDICAL ASSOCIATES
NPI 1003939703
Social Worker in Boston, MA

Active since April 09, 2007
133 BROOKLINE AVE, BOSTON, MA 02215(617) 421-1000(617) 421-1191 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Harvard Vanguard Medical Associates NPPES

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

HARVARD VANGUARD MEDICAL ASSOCIATES (NPI 1003939703) is a healthcare organization registered as a social worker in Boston, Massachusetts and active in the NPI registry since April 2007. The organization lists Debra Geihsler, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1003939703
Entity TypeOrganization
Primary Taxonomy104100000X
Legal Business NameHARVARD VANGUARD MEDICAL ASSOCIATES
Location Address133 BROOKLINE AVEBoston, MA 02215-3904
Mailing Address275 Grove St, Suite 3-300Auburndale, MA 02466-2272 · (617) 559-8096 · Fax (617) 421-3487
Phone(617) 421-1000
Fax(617) 421-1191
Organization SubpartNo
Authorized OfficialDebra GeihslerChief Executive Officer · (617) 559-8012
Enumeration DateApril 9, 2007
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1003939703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Also ListedDentistTaxonomy 122300000X
Also ListedAllergy & ImmunologyTaxonomy 207K00000X
Also ListedDermatologyTaxonomy 207N00000X
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedPediatricsTaxonomy 208000000X
Also ListedRadiology · Body ImagingTaxonomy 2085B0100X
Also ListedSurgeryTaxonomy 208600000X
Also ListedPhysical TherapistTaxonomy 225100000X
133 BROOKLINE AVE, Boston, MA 02215
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Other Identifiers 1

Medicaid9782834MA

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

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.

MRS. MELISSA ASHLEY ZIOGAS APRN-FNP
Nurse Practitioner (Family)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1000
SHIVAUN ELAINE PIKE NP
Nurse Practitioner (Adult Health)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1000
HARRIET SCHEFT M.D.
Psychiatry & Neurology (Psychiatry)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-2040
CAROL J ZUCKERMAN M.D.
Internal Medicine
133 BROOKLINE AVE, INTERNAL MEDICINE
BOSTON, MA 02215
Suffolk County (617) 421-5804
DIANE L. GILWORTH NP
Registered Nurse
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-6050
MARGARET SIDOR PHD, CGC
Genetic Counselor, MS
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-1035
NED WILSON MORSE
Technician/Technologist (Optician)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (174) 211-1496
MICHELLE S UDESHI MD
Radiology (Diagnostic Radiology)
133 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 421-3100

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 Harvard Vanguard Medical Associates's NPI number?

The NPI number for Harvard Vanguard Medical Associates is 1003939703. It was assigned to this organization in the NPPES registry on April 9, 2007.

Where is Harvard Vanguard Medical Associates located?

Harvard Vanguard Medical Associates is located at 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-1000.

What is Harvard Vanguard Medical Associates's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Harvard Vanguard Medical Associates was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.