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

Dr. William P O'Meara, MD

Individual provider Radiation Oncology Physician · NPI 1598886897

Dr. William P O'Meara, MD is a Radiation Oncology in Lowell, Massachusetts. Graduated from Tulane University School of Medicine in 1997, 29 years ago. Practices with Radiation Oncology Associates, PA, a 23-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts, New Hampshire, New York and Pennsylvania.

Years since qualifying
29
Trained at
Tulane University School of Medicine
Licensed in
MA, NH, NY, PA
In the registry since
2007
Specialties on file
4
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

295 Varnum Ave
Lowell, MA 01854-2134
Phone: (978) 937-6274
Fax: (978) 934-8490
Show map & directions

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

Additional practice locations (1)

  • 1 Essex Center Dr, Peabody, MA 01960-2901 — (978) 538-4120

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 249953 (MA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence MD441007 (PA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 224644 (NY)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 15486 (NH)

Record details

NPI number1598886897
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2007
Last updated in NPPESMarch 28, 2018

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Radiation Oncology Associates, Pa — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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