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

Dr. Mark K Perezous, MD

Individual provider Orthopaedic Surgery Physician · NPI 1992706253

Dr. Mark K Perezous, MD is an Orthopedic Surgery in Lancaster, Pennsylvania. Graduated from Temple University School of Medicine in 1989, 37 years ago. Practices with Lancaster Orthopedic Group, Inc, a 75-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
37
Trained at
Temple University School of Medicine
Licensed in
PA
In the registry since
2005
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

231 Granite Run Dr
Lancaster, PA 17601-6823
Phone: (717) 560-4200
Fax: (717) 560-4159
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence MD044689L (PA)

Record details

NPI number1992706253
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2005
Last updated in NPPESJanuary 15, 2008
Mailing address231 Granite Run Dr, Lancaster, PA 17601-6823

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Lancaster Orthopedic Group, Inc. — 75 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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