HOLTZMAN MEDICAL GROUP, LLC
NPI 1184145955
Internal Medicine in Brookline, MA

Q: What is Holtzman Medical Group, LLC's NPI number?

The NPI number for Holtzman Medical Group, LLC is 1184145955. It was assigned to this organization in the NPPES registry on July 3, 2017.

Q: What is Holtzman Medical Group, LLC's specialty?

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

Active since July 03, 2017CLIA Certified · 2 labs

1180 BEACON ST STE 6B, BROOKLINE, MA 02446(781) 770-4064(781) 682-6157 Get Directions Write a Review

NPPES record last updated: October 11, 2020. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Oct 11, 2020, Jul 3, 2017 (2 updates tracked since 2017).

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About Holtzman Medical Group, Llc NPPES

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

HOLTZMAN MEDICAL GROUP, LLC (NPI 1184145955) is a healthcare organization registered as an internal medicine in Brookline, Massachusetts and active in the NPI registry since July 2017. The organization holds 2 active CLIA laboratory certificates, maintains a secondary practice location in Weymouth, and lists Justin Seth Holtzman, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1184145955

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameHOLTZMAN MEDICAL GROUP, LLC

Location Address1180 BEACON ST STE 6BBrookline, MA 02446-3806

Mailing Address56 Waverley AveNewton, MA 02458-2135 · (734) 330-3336

Phone(781) 770-4064

Fax(781) 682-6157

Organization SubpartNo

Authorized OfficialJustin Seth HoltzmanMedical Director · (734) 330-3336

Enumeration DateJuly 3, 2017

Last NPPES UpdateOctober 11, 20202 updates tracked since enumeration

NPPES CertifiedOctober 11, 2020

✔ NPI 1184145955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.

1180 BEACON ST STE 6B, Brookline, MA 02446

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Secondary Practice Location 1

Location 1875 Main StWeymouth, MA 02190-1658 · Phone (781) 392-4692

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

CLIA Laboratory Certificates CMS CLIA 2

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 Waiver 22D2247188

Holtzman Medical Group, LLC · Brookline, MA

Active · expires Jan 4, 2028

CLIA Number22D2247188

Laboratory TypePhysician Office

Certificate Effective DateJanuary 5, 2026

Certificate Expiration DateJanuary 4, 2028

Laboratory DirectorDr. Justin S. Holtzman

Laboratory Phone(781) 770-4064

Laboratory LocationHoltzman Medical Group, LLC1180 Beacon St, Suite 6B, Brookline, MA 02446

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 22D2340810

Holtzman Medical Urgent Care LLC · Brookline, MA

Active · expires Mar 23, 2028

CLIA Number22D2340810

Laboratory TypeUrgent Care

Certificate Effective DateMarch 24, 2026

Certificate Expiration DateMarch 23, 2028

Laboratory DirectorJustin S. Holtzman

Laboratory Phone(781) 770-4064

Laboratory LocationHoltzman Medical Urgent Care LLC1180 Beacon Street Ste6b2, Brookline, MA 02446

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 7

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

HOLTZMAN URGENT CARE, LLC

Clinic/Center (Urgent Care)