THOMAS ION KOSICK MD
NPI 1437889326
Internal Medicine in Bethlehem, PA
About Thomas Ion Kosick Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS ION KOSICK MD (NPI 1437889326) is an individual internal medicine provider in Bethlehem, Pennsylvania, licensed in Pennsylvania (MD490156) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS, is affiliated with St Lukes Quakertown Hospital, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Thomas Ion Kosick Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Kosick reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethlehem, PA 18015
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Orwigsburg, PA 17961
- Reassigned Medicare billing, Pennsylvania enrollment
- 953 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Quakertown Hospital
Acute Care Hospitals · Quakertown, PASt Luke's Hospital Bethlehem
Acute Care Hospitals · Bethlehem, PASt Luke's Miners Memorial Hospital
Acute Care Hospitals · Coaldale, PAGeisinger St. Luke's Hospital
Acute Care Hospitals · Orwigsburg, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHLEHEM, PA 18015
BETHLEHEM, PA 18015
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas Kosick's NPI number?
The NPI number for Thomas Kosick is 1437889326. It was assigned to this individual provider in the NPPES registry on June 14, 2022.
Where is Thomas Kosick located?
Thomas Kosick practices at 801 Ostrum St, Bethlehem, PA 18015. The listed phone number is (866) 785-8537.
What is Thomas Kosick's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Thomas Kosick enrolled in Medicare?
Yes. Thomas Kosick is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thomas Kosick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Kosick reassigns Medicare benefits to 2 organizations: St. Luke's Physician Group, Inc. (Bethlehem, PA) and Gslpg, Inc (Orwigsburg, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Kosick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thomas Kosick affiliated with any hospitals?
According to CMS data, Thomas Kosick is affiliated with St Lukes Quakertown Hospital, St Luke's Hospital Bethlehem, St Luke's Miners Memorial Hospital and Geisinger St. Luke's Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Kosick was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Thomas Ion Kosick, MD · NPI 1437889326
Internal Medicine physician in Bethlehem, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 14, 2022.
## Identity
- **NPI:** 1437889326 (Entity type: Individual)
- **Enumerated:** June 14, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD490156 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 801 OSTRUM ST, Bethlehem, PA 18015-1000
- **Phone:** (866) 785-8537
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): St. Luke's Physician Group, Inc. (NPI 1083789150, Bethlehem, PA); Gslpg, Inc (NPI 1366006702, Orwigsburg, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1437889326) · Data from the CMS NPPES public registry.