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

Theodore B Lefer, MD

Individual provider Family Medicine Physician · NPI 1578822748

Theodore B Lefer, MD is a Hospitalist in Greenfield, Massachusetts. Qualified in 2012, 14 years ago. Practices with Baystate Medical Practices Inc, a 1,346-clinician group and accepts Medicare assignment. Licensed in Massachusetts, Oregon and Vermont.

Years since qualifying
14
Licensed in
MA, OR, VT
In the registry since
2012
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

164 High St
Greenfield, MA 01301-2613
Phone: (413) 772-0211
Fax: (413) 794-1767
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 284728 (MA)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD172079 (OR)
Family Medicine Physician Taxonomy 207Q00000X · Licence 042.0014207 (VT)

Record details

NPI number1578822748
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 9, 2012
Last updated in NPPESJune 4, 2024
Certification dateJune 4, 2024
Mailing address280 Chestnut Street, 2nd Fl, Springfield, MA 01199-1001

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Baystate Medical Practices Inc — 1346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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