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

John W Powell, MD

Individual provider Radiation Oncology Physician · NPI 1851557615

John W Powell, MD is a Radiation Oncology in Ithaca, New York. Graduated from State University of Ny Upstate Medical University in 2005, 21 years ago. Practices with Cayuga Medical Center at Ithaca, a 35-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
21
Trained at
State University of Ny Upstate Medical University
Licensed in
NY
In the registry since
2008
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

101 Dates Dr
Ithaca, NY 14850-1342
Phone: (607) 274-4060
Fax: (607) 274-4062
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 267909 (NY)

Record details

NPI number1851557615
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2008
Last updated in NPPESFebruary 3, 2021
Certification dateFebruary 3, 2021
Mailing addressElm And Carlton St, Buffalo, NY 14263-0001

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 2005 (21 years in practice)
Group practice Cayuga Medical Center At Ithaca — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services