Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Mark Thomas Dosch, DO

Individual provider Internal Medicine Physician · NPI 1801851167

Dr. Mark Thomas Dosch, DO practises Internal Medicine in Gibsonia, Pennsylvania. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 1998, 28 years ago. Practices with Keystone Rehabilitation Systems Inc, a 756-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
28
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
PA
In the registry since
2006
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

5318 Ranalli Dr
Gibsonia, PA 15044-9653
Phone: (724) 449-9355
Fax: (724) 449-2727
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OS012138 (PA)

Record details

NPI number1801851167
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 19, 2006
Last updated in NPPESFebruary 2, 2023
Certification dateFebruary 2, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 1998 (28 years in practice)
Group practice Keystone Rehabilitation Systems Inc — 756 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients148
Services billed 476 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Keystone Rehabilitation Systems Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 756 clinicians in the practice; 12 are shown here.

Other providers in Gibsonia