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

Melissa Robbins Mahr, MD

Individual provider Internal Medicine Physician · NPI 1164441705

Melissa Robbins Mahr, MD is an Internal Medicine in Hopkinton, Massachusetts. Graduated from Tufts University School of Medicine in 1996, 30 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
30
Trained at
Tufts University School of Medicine
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

77 W Main St Ste 204
Hopkinton, MA 01748-1689
Phone: (508) 731-2570
Fax: (508) 544-2859
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 169 W Main St, Hopkinton, MA 01748-2101 — (508) 731-2570

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 205104 (MA)

Record details

NPI number1164441705
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESSeptember 3, 2025
Certification dateSeptember 3, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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