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

Dr. Mark M D'Onofrio, MD

Individual provider Orthopaedic Surgery Physician · NPI 1316925811

Dr. Mark M D'Onofrio, MD is an Orthopedic Surgery in Lancaster, Ohio. Graduated from Ohio State University College of Medicine in 2004, 22 years ago. Practices with River Valley Orthopaedics and Sports Medicine Inc, a 6-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
22
Trained at
Ohio State University College of Medicine
Licensed in
OH
In the registry since
2006
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

2656 N Columbus St Ste D
Lancaster, OH 43130-8991
Phone: (740) 687-3346
Fax: (740) 689-9736
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 35-081924 (OH)

Record details

NPI number1316925811
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2006
Last updated in NPPESJune 13, 2025
Certification dateJune 13, 2025
Mailing address2656 N Columbus St Ste D, Lancaster, OH 43130-8991

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice River Valley Orthopaedics And Sports Medicine Inc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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