Michael A. Koroscil, M.D.
Emergency Medicine Physician · Nellis Afb, NV
Michael A. Koroscil, M.D. is an emergency medicine physician with a practice address in Nellis Afb, Nevada, and NPI 1457658544, issued on Feb 25, 2011. Check the license (Nevada 19920, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael A. Koroscil
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 19920 NV
Self-reported in NPPES; status is on the state search - Practice location
- 4700 Las Vegas Blvd N, Nellis Afb, NV 89191
- Phone
- (702) 653-2764
- Enumerated
- Feb 25, 2011
- Record last updated
- Jun 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250410003592); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 575 in Nevada → Look up another NPI →
Also registered at 4700 Las Vegas Blvd N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cherylene Abalos, D.O.Internal Medicine Physician1912401910
- Scott Abbott, CRNACertified Registered Nurse Anesthetist1831435072
- Olivia AbdooPhysical Therapist1144892639
- Lisa Abiuso-Hayes, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1992203566
- Erika Abraham, M.D.Internal Medicine Physician1831326644
- Joseph Acquafredda, CRNACertified Registered Nurse Anesthetist1861061293
Verify Michael A. Koroscil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 19920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average emergency medicine physician in 2024
142 Medicare Part D claims for 78 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cyclobenzaprine Hcl21 claims
- Naproxen21 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.
Bills Medicare through one group practice
- Longhorn Emergency Medical Associates PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael A. Koroscil among 575 emergency medicine physician records in Nevada
Michael A. Koroscil, M.D. is one of 575 emergency medicine physician records with a practice address in Nevada. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 52% of them.
- NPI issued2011 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 2014 among the 366 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 emergency medicine physician records list a practice address in Nellis Afb
They are 58 of the 829 NPPES records with a practice address in Nellis Afb, and 575 emergency medicine physician records in Nevada.
All 575 in Nevada → Every provider in Nellis Afb → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Matthew Armstrong, M.D.Nellis Afb, NV 891911770718421
- Beau Baum, MDNellis Afb, NV 891911285894204
- David Berman, DONellis Afb, NV 891911306924071
- Christopher Clark, D.O.Nellis Afb, NV 891911639353493
- Paul Deflorio, MDNellis Afb, NV 891911700864824
- Stephen Galvin, M.D.Nellis Afb, NV 891911043282742
- Patrick Hsieh, MDNellis Afb, NV 891911962495481
- Richard Law, M.D.Las Vegas, NV 891911164684502
Common questions
What is Michael A. Koroscil, M.D.'s NPI number?
Michael A. Koroscil, M.D.'s National Provider Identifier (NPI) is 1457658544, issued on Feb 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Koroscil, M.D. located?
The NPPES record lists a practice address at 4700 Las Vegas Blvd N, Nellis Afb, NV, 89191. Phone: (702) 653-2764. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Koroscil, M.D.'s license?
NPPES lists Nevada license number 19920, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael A. Koroscil, M.D. prescribe under Medicare Part D?
In 2024, Michael A. Koroscil, M.D. had 142 Medicare Part D claims for 78 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.