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

David M. Slack, MD

Individual provider Internal Medicine Physician · NPI 1205895554

David M. Slack, MD is an Internal Medicine in Easthampton, Massachusetts. Graduated from New York Medical College in 1985, 41 years ago. Practices with Valley Medical Group PC, a 106-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
41
Trained at
New York Medical College
Licensed in
MA
In the registry since
2006
Specialties on file
2
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

179 Northampton St #H
Easthampton, MA 01027-1057
Phone: (413) 529-9300
Fax: (413) 527-9793
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 72497 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence 72497 (MA)

Record details

NPI number1205895554
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2006
Last updated in NPPESJune 17, 2008
Mailing addressPo Box 8019, Springfield, MA 01102-8000

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1985 (41 years in practice)
Group practice Valley Medical Group Pc — 106 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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