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

Thomas Ion Kosick, MD

Individual provider Internal Medicine Physician · NPI 1437889326

Thomas Ion Kosick, MD is an Internal Medicine in Bethlehem, Pennsylvania. Qualified in 2022, 4 years ago. Practices with Gslpg, Inc, a 267-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
4
Licensed in
PA
In the registry since
2022
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

801 Ostrum St
Bethlehem, PA 18015-1000
Phone: (866) 785-8537
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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 MD490156 (PA)

Record details

NPI number1437889326
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 14, 2022
Last updated in NPPESJuly 15, 2025
Certification dateJuly 15, 2025
Mailing addressSt. Luke'S Internal Medicine, 400 S. Greenwood Avenue, Easton, PA 18045

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Gslpg, Inc — 267 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations11 on file with Medicare

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