Thomas Andrew Koroscil
Hospitalist Physician · Dayton, OH
Thomas Andrew Koroscil is a hospitalist physician with a practice address in Dayton, Ohio, and NPI 1588058408, issued on Mar 28, 2015. Check the license (Ohio 35.132209, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Thomas Andrew Koroscil
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 35.132209 OH
Self-reported in NPPES; status is on the state search - Practice location
- 128 E Apple St, Dayton, OH 45409
- Phone
- (937) 208-2004
- Enumerated
- Mar 28, 2015
- Record last updated
- May 5, 2023
- Fax
- (937) 208-8828
- Medicaid ID
- 0249382 OH
- Medicare enrollment
- Enrolled (PECOS I20171114002634); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 982 in Ohio → Look up another NPI →
Also registered at 128 E Apple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Andrew Koroscil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.132209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average hospitalist physician in 2024
314 Medicare Part D claims for 107 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Levothyroxine Sodium35 claims
- Prednisone19 claims
- Metoprolol Succinate14 claims
- Pioglitazone Hcl13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kettering Independent Medical Group IncKettering, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Andrew Koroscil among 982 hospitalist physician records in Ohio
Thomas Andrew Koroscil is one of 982 hospitalist physician records with a practice address in Ohio. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 56% of them.
- NPI issued2015 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2015 · median 2012 among the 835 with a school on file
- Record last updated2023 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Ohio
There are 982 hospitalist physician records in Ohio.
All 982 in Ohio → Every provider in Dayton → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Aderemi Alli, MDDayton, OH 454091447348982
- Jon Girard, MDDayton, OH 454091922198019
- J Ryan Hammock, MDDayton, OH 454091548395940
- Samina Irfani, M.D.Dayton, OH 454091316146889
- Syed Masood, MDDayton, OH 454091518981455
- Jeffrey Millard, MDDayton, OH 454091013956218
- Michael Moell, MDDayton, OH 454091689659880
- Jignesh Patel, MDDayton, OH 454091366619280
Common questions
What is Thomas Andrew Koroscil's NPI number?
Thomas Andrew Koroscil's National Provider Identifier (NPI) is 1588058408, issued on Mar 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Andrew Koroscil located?
The NPPES record lists a practice address at 128 E Apple St, Dayton, OH, 45409. Phone: (937) 208-2004. Providers update this record themselves, so call before visiting.
How can I verify Thomas Andrew Koroscil's license?
NPPES lists Ohio license number 35.132209, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Andrew Koroscil prescribe under Medicare Part D?
In 2024, Thomas Andrew Koroscil had 314 Medicare Part D claims for 107 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Thomas Andrew Koroscil's MIPS final score?
The 2023 MIPS final score is 77 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.