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

Peter W Greenwald, MD

Individual provider Emergency Medicine Physician · NPI 1255481164

Peter W Greenwald, MD is an Emergency Medicine in Pittsfield, Massachusetts. Graduated from State University of New York Downstate Medical Center in 1997, 29 years ago. Practices with Weill Medical College of Cornell, a 2,031-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
29
Trained at
State University of New York Downstate Medical Center
Licensed in
MA
In the registry since
2007
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

725 N St Berkshire Medical Center Emergency Dept
Pittsfield, MA 01201-4109
Phone: (413) 447-2000
Fax: (413) 447-2175
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 209826 (MA)

Record details

NPI number1255481164
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 11, 2007
Last updated in NPPESJuly 8, 2007
Mailing address725 North St, Berkshire Medical Center Emergency Dept, Pittsfield, MA 01201-4109

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1997 (29 years in practice)
Group practice Weill Medical College Of Cornell — 2031 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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