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

Jon J Pehrson, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1457306714

Jon J Pehrson, MD is an Internal Medicine in Weymouth, Massachusetts. Graduated from Georgetown University School of Medicine in 1977, 49 years ago. Practices with Mass General Brigham Medical Group Suburban Massachusetts Inc, a 532-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
49
Trained at
Georgetown 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

55 Fogg Rd
Weymouth, MA 02190-2432
Phone: (781) 340-8000
Fax: (781) 340-3782
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 57578 (MA)

Record details

NPI number1457306714
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESJuly 13, 2026
Mailing address797 Main St, South Weymouth, MA 02190-1623

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesENDOCRINOLOGY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Mass General Brigham Medical Group Suburban Massachusetts Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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