Sustache Primary Care LLC
NPI 1336955954 · Family Medicine Physician · Marlborough, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sustache Primary Care LLC is a Family Medicine Physician organization in Marlborough, MA (NPI 1336955954).
Provider details
- NPI number
- 1336955954
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gilberto Sustache, Physician/Owner(832) 763-0833
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
1 yr 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
- 2024-12-09
- Last updated
- 2024-12-09
- Certified
- 2024-12-09
Frequently asked questions
- What is Sustache Primary Care LLC's NPI number?
- Sustache Primary Care LLC's National Provider Identifier (NPI) is 1336955954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sustache Primary Care LLC?
- Sustache Primary Care LLC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sustache Primary Care LLC located?
- Sustache Primary Care LLC's practice location on file with NPPES is 65 Boston Post Rd W Ste 100, Marlborough, MA 01752-1872.
- What is Sustache Primary Care LLC's phone number?
- The practice phone number listed in the NPPES registry for Sustache Primary Care LLC is (508) 422-4844.
- Does Sustache Primary Care LLC accept Medicare?
- Sustache Primary Care 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 Sustache Primary Care LLC?
- The authorized official listed on Sustache Primary Care LLC's NPPES record is Gilberto Sustache, Physician/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sustache Primary Care LLC's NPI active?
- Yes — Sustache Primary Care LLC's NPI (1336955954) is active in the NPPES registry as of the last update on 2024-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.