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

Peter R. Chai, MD

Individual provider Emergency Medicine Physician · NPI 1316267305

Peter R. Chai, MD is an Emergency Medicine in Worcester, Massachusetts. Qualified in 2010, 16 years ago. Practices with Brigham and Womens Physicians Organization Inc, a 2,916-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Rhode Island.

Years since qualifying
16
Licensed in
MA, RI
In the registry since
2010
Specialties on file
3
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 Lake Ave N Dept OF Emergency Medicine
Worcester, MA 01655-0002
Phone: (508) 421-1400
Fax: (508) 421-1490
Show map & directions

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

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6110 — (617) 732-5500

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 257990 (MA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence LP01974 (RI)
Medical Toxicology (Emergency Medicine) Physician Taxonomy 207PT0002X · Licence 257990 (MA)

Record details

NPI number1316267305
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2010
Last updated in NPPESFebruary 18, 2026
Certification dateFebruary 18, 2026
Mailing addressPo Box 415348, Boston, MA 02241-5348

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Brigham And Womens Physicians Organization Inc — 2916 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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