Doctor profile · Federal record

Dr. Thomas Koroscil

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Dayton, OH

  • NPI 1588058408
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
128 E Apple St, 2Nd Floor
Dayton, OH 454092902
(937) 208-2004
fax (937) 208-8828
Additional location
30 E Apple St Ste Nw3300
Dayton, OH 454092939
(937) 208-8394
fax (937) 208-8388
Additional location
3535 Southern Blvd
Kettering, OH 454291221
(937) 395-6665
fax (937) 395-6668

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
May 5, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Ohio #35.132209
Medicaid
OH #0249382

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588058408. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
359
Distinct HCPCS
6
Medicare allowed
$36,862
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 139 72 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 66 64 $128
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 54 30 $117
99239 Hospital discharge day management, more than 30 minutes 47 47 $110
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 27 $165
99238 Hospital discharge day management, 30 minutes or less 25 22 $78

In context: peer comparison

Among 24 peers in Dayton Hospitalist Physician, average services per provider: 100. This provider delivers 3.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
76
Patients
12
Total drug cost
$600
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 53 0 $451
Prednisone Generic 12 12 $30
Pioglitazone Hcl Generic 11 0 $120

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Koroscil's medical specialty?
Dr. Thomas Koroscil practices Hospitalist Physician in Dayton, OH.
Where does Dr. Thomas Koroscil practice?
Dr. Thomas Koroscil practices at 128 E Apple St, Dayton, OH 454092902. Office phone: 9372082004.
What is Dr. Thomas Koroscil's NPI?
Dr. Thomas Koroscil's National Provider Identifier (NPI) is 1588058408, issued by NPPES.
Does Dr. Thomas Koroscil accept Medicare assignment?
Yes. Dr. Thomas Koroscil accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Koroscil commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.