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

Gregory Martinek

Individual provider Internal Medicine Physician · NPI 1205802857

Gregory Martinek is an Internal Medicine in Altoona, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1996, 30 years ago. Practices with UPMC Altoona, a 129-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
30
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2006
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Practice location Address checks out

620 Howard Ave Lexington Hospitalists Inc
Altoona, PA 16601-4804
Phone: (814) 889-2223
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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 OS009528L (PA)

Record details

NPI number1205802857
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 24, 2006
Last updated in NPPESDecember 2, 2025
Mailing address620 Howard Ave, Lexington Hospitalists Inc., Altoona, PA 16601-4804

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 Upmc Altoona — 129 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Altoona