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

Dr. Athos John Rassias, MD

Individual provider Anesthesiology Physician · NPI 1609961119

Dr. Athos John Rassias, MD is an Anesthesiology in Lebanon, New Hampshire. Graduated from Warren Alpert Medical School of Brown University in 1989, 37 years ago. Practices with Dartmouth-Hitchcock Clinic, a 1,430-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
37
Trained at
Warren Alpert Medical School of Brown University
Licensed in
NH
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.

See every abbreviation used in this directory →

Practice location Address checks out

Critical Care Medicine 1 Medical Center Drive Dhmc
Lebanon, NH 03756
Phone: (603) 650-4642
Fax: (603) 650-0614
Show map & directions

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

Specialties & licences

Critical Care Medicine (Anesthesiology) Physician (primary) Taxonomy 207LC0200X · Licence 9258 (NH)
Anesthesiology Physician Taxonomy 207L00000X · Licence 9258 (NH)

Record details

NPI number1609961119
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 3, 2006
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 1989 (37 years in practice)
Group practice Dartmouth-Hitchcock Clinic — 1430 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Lebanon