Thomas Ion Kosick, MD
Internal Medicine Physician · Bethlehem, PA
Thomas Ion Kosick, MD is an internal medicine physician with a practice address in Bethlehem, Pennsylvania, and NPI 1437889326, issued on Jun 14, 2022. Check the license (Pennsylvania MD490156, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Thomas Ion Kosick
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD490156 PA
Self-reported in NPPES; status is on the state search - Practice location
- 801 Ostrum St, Bethlehem, PA 18015
- Phone
- (866) 785-8537
- Enumerated
- Jun 14, 2022
- Record last updated
- Jul 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20250811002058); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 801 Ostrum St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Ion Kosick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD490156Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
169 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Amlodipine Besylate12 claims
- Atorvastatin Calcium11 claims
- Losartan Potassium11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $199.20
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Gslpg, IncOrwigsburg, PA
- St Lukes Physician Group IncStroudsburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Ion Kosick among 7,300 internal medicine physician records in Pennsylvania
Thomas Ion Kosick, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.
- NPI issued2022 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2022 · median 2008 among the 4,208 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Bethlehem
They are 157 of the 4,797 NPPES records with a practice address in Bethlehem, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Bethlehem → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- George Daoud, DOBethlehem, PA 180151861597585
- Fabio Dorville, M.D.Fountain Hill, PA 180151396794913
- Kaushik Kundu, M.D.Fountain Hill, PA 180151942259577
- David Leh, MDBethlehem, PA 180151174621981
- Hetul Mehta, D.O.Bethlehem, PA 180151578669479
Common questions
What is Thomas Ion Kosick, MD's NPI number?
Thomas Ion Kosick, MD's National Provider Identifier (NPI) is 1437889326, issued on Jun 14, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Ion Kosick, MD located?
The NPPES record lists a practice address at 801 Ostrum St, Bethlehem, PA, 18015. Phone: (866) 785-8537. Providers update this record themselves, so call before visiting.
How can I verify Thomas Ion Kosick, MD's license?
NPPES lists Pennsylvania license number MD490156, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Ion Kosick, MD prescribe under Medicare Part D?
In 2024, Thomas Ion Kosick, MD had 169 Medicare Part D claims for 61 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.