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

Mark Lyons, DO

Individual provider Internal Medicine Physician · NPI 1225017049

Mark Lyons, DO is an Internal Medicine in Moosic, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1996, 30 years ago. Practices with Geisinger Clinic, a 3,413-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
30
Trained at
Philadelphia College of Osteopathic Medicine
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.

See every abbreviation used in this directory →

Practice location Address checks out

532 Main St Ste 1
Moosic, PA 18507-1001
Phone: (570) 471-3569
Fax: (570) 471-7052
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0S009690L (PA)

Record details

NPI number1225017049
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 11, 2006
Last updated in NPPESJune 5, 2014
Mailing address532 Main St, Suite 1, Moosic, PA 18507-1001

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1996 (30 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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