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

Dean W. Singer, DO

Individual provider Addiction Medicine (Family Medicine) Physician · NPI 1396131538

Dean W. Singer, DO is a Family Practice in Greenfield, Massachusetts. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 2015, 11 years ago. Practices with Greenfield Primary Care PLLC, a 7-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
11
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
MA
In the registry since
2015
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

55 Federal St Ste 220
Greenfield, MA 01301-2592
Phone: (413) 225-2792
Fax: (833) 941-2303
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 273045 (MA)
Addiction Medicine (Family Medicine) Physician Taxonomy 207QA0401X · Licence 273045 (MA)

Record details

NPI number1396131538
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 14, 2015
Last updated in NPPESJuly 29, 2025
Certification dateJuly 29, 2025
Mailing address52 North St, Shelburne Falls, MA 01370-1006

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 2015 (11 years in practice)
Group practice Greenfield Primary Care Pllc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Greenfield