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

Justus Guerrieri, MD

Individual provider Emergency Medicine Physician · NPI 1386900975

Justus Guerrieri, MD is an Emergency Medicine in Northampton, Massachusetts. Graduated from Temple University School of Medicine in 2012, 14 years ago. Practices with Baystate Medical Practices Inc, a 1,346-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
14
Trained at
Temple University School of Medicine
Licensed in
MA
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

30 Locust St
Northampton, MA 01060-2052
Phone: (413) 582-2363
Fax: (413) 582-2914
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 263111 (MA)

Record details

NPI number1386900975
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 8, 2012
Last updated in NPPESJune 16, 2021
Certification dateJune 16, 2021
Mailing address30 Locust St, Northampton, MA 01060-2052

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Baystate Medical Practices Inc — 1346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Northampton