Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Thomas Andrew Koroscil
Hospitalist Physician in Dayton, OH · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588058408
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Registry record
Entity type Individual (Type 1)
Name Thomas Andrew Koroscil
Sex Male
Practice address 128 E Apple St, 2nd Floor, Dayton, OH, 45409
Phone (937) 208-2004
Fax (937) 208-8828
Enumeration date Mar 28, 2015
Last updated in NPPES May 5, 2023
Taxonomy & licenses
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 35.132209 (OH) Secondary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 35.132209 (OH) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0249382 | Medicaid | OH | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Thomas Koroscil?
The National Provider Identifier (NPI) for Thomas Koroscil is 1588058408, a Type 1 (individual) record in the CMS NPPES registry.
Where does Thomas Koroscil practice?
The practice location on file with NPPES is in Dayton, OH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Suzanne Dundon Dermatology Physician · Dayton, OH NPI 1699902528 Sravya Surapaneni Internal Medicine Physician · Dayton, OH NPI 1932405297 Indrani Banerjee Internal Medicine Physician · Dayton, OH NPI 1275899015 Alia Radwan Student in an Organized Health Care Education/Training Program · Dayton, OH NPI 1073870671 Uzoma Anaba Emergency Medicine Physician · Dayton, OH NPI 1942568233 Mary Trout Pharmacotherapy Pharmacist · Dayton, OH NPI 1538509187 Jenna Pathadan Internal Medicine Physician · Dayton, OH NPI 1790104362 Edward Roberto Internal Medicine Physician · Dayton, OH NPI 1356736268
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-05.