Holtzman Medical Group, LLC
NPI 1184145955 · Internal Medicine Physician · Brookline, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holtzman Medical Group, LLC is a Internal Medicine Physician organization in Brookline, MA (NPI 1184145955).
Provider details
- NPI number
- 1184145955
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Justin Holtzman, Medical Director(734) 330-3336
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 875 Main StWeymouth, MA 02190-1658Phone: (781) 392-4692
Registry dates
- Enumerated
- 2017-07-03
- Last updated
- 2020-10-11
- Certified
- 2020-10-11
Frequently asked questions
- What is Holtzman Medical Group, LLC's NPI number?
- Holtzman Medical Group, LLC's National Provider Identifier (NPI) is 1184145955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Holtzman Medical Group, LLC?
- Holtzman Medical Group, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Holtzman Medical Group, LLC located?
- Holtzman Medical Group, LLC's practice location on file with NPPES is 1180 Beacon St Ste 6b, Brookline, MA 02446-3806.
- What is Holtzman Medical Group, LLC's phone number?
- The practice phone number listed in the NPPES registry for Holtzman Medical Group, LLC is (781) 770-4064.
- Does Holtzman Medical Group, LLC accept Medicare?
- Holtzman Medical Group, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Holtzman Medical Group, LLC?
- The authorized official listed on Holtzman Medical Group, LLC's NPPES record is Justin Holtzman, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Holtzman Medical Group, LLC's NPI active?
- Yes — Holtzman Medical Group, LLC's NPI (1184145955) is active in the NPPES registry as of the last update on 2020-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.