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

Justin Nathaniel Dorfman, DO

Individual provider Internal Medicine Physician · NPI 1053339432

Justin Nathaniel Dorfman, DO is a Family Practice in Southborough, Massachusetts. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2002, 24 years ago. Practices with Reliant Medical Group Inc, a 638-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
24
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
MA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

24 Newton St
Southborough, MA 01772-1215
Phone: (508) 460-3250
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 226691 (MA)

Record details

NPI number1053339432
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESJune 2, 2011

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesOSTEOPATHIC MANIPULATIVE MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2002 (24 years in practice)
Group practice Reliant Medical Group Inc — 638 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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