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Holtzman Medical Specialty Services

Internal Medicine Physician in Brookline, MA · enumerated 2023 · authorized official Justin Holtzman, Owner.

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

National Provider Identifier

1437859105

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Registry record

Entity type Organization (Type 2)
Legal business name Holtzman Medical Specialty Services
Practice address 1180 Beacon St Ste 6b, Brookline, MA, 02446
Phone (781) 770-4064
Fax (949) 867-4815
Enumeration date Mar 9, 2023
Last updated in NPPES Mar 9, 2023

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary
207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name Justin Holtzman
Title Owner
Phone (734) 330-3336

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

Who is the authorized official for Holtzman Medical Specialty Services?
NPPES lists Justin Holtzman (Owner) as the authorized official for this organization.
What is the NPI number for Holtzman Medical Specialty Services?
The NPI for Holtzman Medical Specialty Services is 1437859105, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-09.