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

Keith A Meritz, MD

Individual provider Radiation Oncology Physician · NPI 1801956974

Keith A Meritz, MD is a Radiation Oncology in Valhalla, New York. Graduated from Medical College of Pennsylvania in 1983, 43 years ago. Practices with Westchester Medical Center Advanced Physician Services PC, a 880-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Jersey and New York.

Years since qualifying
43
Trained at
Medical College of Pennsylvania
Licensed in
NJ, NY
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

100 Woods Rd Ste 1297
Valhalla, NY 10595-1530
Phone: (201) 388-9766
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 159026 (NY)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 25MA05601300 (NJ)

Record details

NPI number1801956974
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 11, 2006
Last updated in NPPESJanuary 10, 2022
Certification dateJanuary 10, 2022
Mailing address100 Woods Rd Ste 1297, Valhalla, NY 10595-1530

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolMEDICAL COLLEGE OF PENNSYLVANIA
Graduated 1983 (43 years in practice)
Group practice Westchester Medical Center Advanced Physician Services Pc — 880 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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