Jacob Gruber, MD
NPI 1275108375 · Emergency Medicine Physician · Attleboro, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Gruber, MD is a Emergency Medicine Physician provider in Attleboro, MA (NPI 1275108375).
Provider details
- NPI number
- 1275108375
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1022414 (MA)
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
5 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)
- 14 Prospect StMilford, MA 01757-3003Phone: (508) 422-2240
Registry dates
- Enumerated
- 2021-05-21
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Jacob Gruber's NPI number?
- Jacob Gruber's National Provider Identifier (NPI) is 1275108375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Gruber's specialty?
- Jacob Gruber is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Gruber located?
- Jacob Gruber's practice location on file with NPPES is 211 Park St, Attleboro, MA 02703-3137.
- What is Jacob Gruber's phone number?
- The practice phone number listed in the NPPES registry for Jacob Gruber is (508) 236-7000.
- Does Jacob Gruber accept Medicare?
- Jacob Gruber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Gruber's NPI active?
- Yes — Jacob Gruber's NPI (1275108375) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.