What is Thomas Koroscil's NPI number?

Thomas Koroscil's National Provider Identifier (NPI) is 1588058408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Thomas Koroscil's specialty?

Thomas Koroscil is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).

Where is Thomas Koroscil located?

Thomas Koroscil's practice location on file with NPPES is 128 E Apple St, Dayton, OH 45409-2902.

What is Thomas Koroscil's phone number?

The practice phone number listed in the NPPES registry for Thomas Koroscil is (937) 208-2004.

Does Thomas Koroscil accept Medicare?

Thomas Koroscil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Thomas Koroscil's NPI active?

Yes — Thomas Koroscil's NPI (1588058408) is active in the NPPES registry as of the last update on 2023-05-05.

IndividualActiveAccepts Medicare

Thomas Koroscil

NPI 1588058408 · Hospitalist Physician · Dayton, OH

Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Thomas Koroscil is a Hospitalist Physician provider in Dayton, OH (NPI 1588058408).

Provider details

NPI number: 1588058408
Entity type: Individual
Primary specialty: Hospitalist PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: 35.132209 (OH)

Specialties & taxonomies

Hospitalist PhysicianPrimary208M00000XLicense 35.132209 (OH)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 35.132209 (OH)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(66/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
11 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
3 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
253 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	85	$75
Hospital Discharge Day Management, More Than 30 Minutes99239	55	$107
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233	54	$113
Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222	42	$124
Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223	17	$165

Typical Medicare-allowed amounts for these services range $75–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 4 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Levothyroxine Sodium	35	—
Prednisone	19	18
Metoprolol Succinate	14	14
Pioglitazone Hcl	13	—

Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.

Practice location

128 E Apple St

2nd Floor

Dayton, OH 45409-2902

Phone: (937) 208-2004

Fax: (937) 208-8828

Street-level locationGet directions

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Mailing address