Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gilberto Sustache Jr., MD

Individual provider Family Medicine Physician · NPI 1205898509

Gilberto Sustache Jr., MD is a Family Practice in Marlborough, Massachusetts. Graduated from University of Massachusetts Medical School in 2001, 25 years ago. Accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
25
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

65 Boston Post Rd W Ste 100
Marlborough, MA 01752-1855
Phone: (508) 422-4844
Fax: (833) 438-8080
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 295121 (MA)

Record details

NPI number1205898509
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 4, 2006
Last updated in NPPESAugust 19, 2025
Certification dateAugust 19, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 2001 (25 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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