Jason Grunes PLLC
NPI 1285083972 · Internal Medicine Physician · Woburn, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Grunes PLLC is a Internal Medicine Physician organization in Woburn, MA (NPI 1285083972).
Provider details
- NPI number
- 1285083972
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jason Grunes, Physician(781) 933-3734
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2016-06-03
- Last updated
- 2016-06-13
Frequently asked questions
- What is Jason Grunes PLLC's NPI number?
- Jason Grunes PLLC's National Provider Identifier (NPI) is 1285083972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jason Grunes PLLC?
- Jason Grunes PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Grunes PLLC located?
- Jason Grunes PLLC's practice location on file with NPPES is 2 Rehabilitation Way, Woburn, MA 01801-6003.
- What is Jason Grunes PLLC's phone number?
- The practice phone number listed in the NPPES registry for Jason Grunes PLLC is (791) 935-5050.
- Does Jason Grunes PLLC accept Medicare?
- Jason Grunes PLLC 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 Jason Grunes PLLC?
- The authorized official listed on Jason Grunes PLLC's NPPES record is Jason Grunes, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jason Grunes PLLC's NPI active?
- Yes — Jason Grunes PLLC's NPI (1285083972) is active in the NPPES registry as of the last update on 2016-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.