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

Dr. Mark D. Beyer, DO

Individual provider Emergency Medicine Physician · NPI 1568510519

Dr. Mark D. Beyer, DO is an Emergency Medicine in Muncy, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1988, 38 years ago. Practices with Susquehanna Physician Services, a 612-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
38
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

215 E Water St Muncy Valley Hospital
Muncy, PA 17756-8828
Phone: (570) 546-4201
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence OS-006937-L (PA)

Record details

NPI number1568510519
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJanuary 8, 2007
Last updated in NPPESDecember 5, 2025
Mailing address420 Hullcrest Blvd, Muncy, PA 17756-5794

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1988 (38 years in practice)
Group practice Susquehanna Physician Services — 612 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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