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

Dr. Jason Grunes, MD

Individual provider Internal Medicine Physician · NPI 1619131539

Dr. Jason Grunes, MD is an Internal Medicine in Braintree, Massachusetts. Qualified in 2008, 18 years ago. Practices with Jason Grunes PLLC, a 4-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
18
Licensed in
MA
In the registry since
2008
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

250 Pond St
Braintree, MA 02184-5351
Phone: (774) 270-1618
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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 248248 (MA)

Record details

NPI number1619131539
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2008
Last updated in NPPESApril 24, 2012
Mailing address250 Pond St, Braintree, MA 02184-5351

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Jason Grunes Pllc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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