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

John A Hyland, MD

Individual provider Therapeutic Radiology Physician · NPI 1447221429

John A Hyland, MD is a Radiation Oncology in Youngstown, Ohio. Graduated from Medical College of Ohio in 1990, 36 years ago. Practices with Mercy Health Physicians Youngstown Specialty Care LLC, a 467-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
36
Trained at
Medical College of Ohio
Licensed in
PA
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

1044 Belmont Ave
Youngstown, OH 44504-1006
Phone: (330) 480-2182
Fax: (330) 480-2183
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 MD055755L (PA)
Therapeutic Radiology Physician Taxonomy 2085R0203X · Licence MD055755L (PA)

Record details

NPI number1447221429
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 30, 2006
Last updated in NPPESMarch 28, 2025
Certification dateMarch 28, 2025
Mailing address1044 Belmont Ave, Youngstown, OH 44504-1006

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolMEDICAL COLLEGE OF OHIO
Graduated 1990 (36 years in practice)
Group practice Mercy Health Physicians Youngstown Specialty Care Llc — 467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare