Joshua David Korosac, D.O.
Emergency Medical Services (Emergency Medicine) Physician · Lawrence, KS
Joshua David Korosac, D.O. is an emergency medical services (emergency medicine) physician with a practice address in Lawrence, Kansas, and NPI 1700106168, issued on Jun 8, 2010. Check the license (Kansas 0539494, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Joshua David Korosac
- Credential
- D.O.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 0539494 KS
Self-reported in NPPES; status is on the state search - Practice location
- 325 Maine St, Lawrence, KS 66044
- Phone
- (785) 505-5000
- Enumerated
- Jun 8, 2010
- Record last updated
- Feb 28, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170111000843); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 2010
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 23 in Kansas → Look up another NPI →
Also registered at 325 Maine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carl Anschutz, MDHospitalist Physician1427270750
- Alaina BalesStudent in an Organized Health Care Education/Training Program1619824877
- Britani BaxterPhysical Therapy Assistant1508448754
- Karen Bayouth, PTPhysical Therapist1558576959
- Katelyn Beachner, PHARMDPharmacist1336646264
- Matthew BleichPharmacist1639009822
Verify Joshua David Korosac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 0539494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
252 Medicare Part D claims for 171 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 38 claims were for opioids.
Most prescribed
- Ondansetron Odt40 claims
- Hydrocodone-Acetaminophen27 claims
- Prednisone26 claims
- Doxycycline Hyclate19 claims
- Cefpodoxime Proxetil15 claims
- Azithromycin13 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
- Lawrence Emergency Medicine Associates,paLawrence, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua David Korosac among 23 emergency medical services (emergency medicine) physician records in Kansas
Joshua David Korosac, D.O. is one of 23 emergency medical services (emergency medicine) physician records with a practice address in Kansas. 52% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 48% of them.
- NPI issued2010 · 48% of these records are older, 43% newer
- In a Medicare fileYes · 52% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Record last updated2017 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Kansas
There are 23 emergency medical services (emergency medicine) physician records in Kansas.
All 23 in Kansas → Every provider in Lawrence → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Toni Pittman, MDLawrence, KS 660441578660536
- George Speer, D.O.Leavenworth, KS 660481396888616
- Jonathan Heard, MDLawrence, KS 660491154333540
- Barbara Lomeli, MDOlathe, KS 660621609185958
- Joyce Grashoff, M.D.Kansas City, KS 661121568498897
- Emily Hyatt, D.O.Kansas City, KS 661121932132032
- Thomas Deskin, MDKansas City, KS 661601003815135
- Taylor Diederich, MDKansas City, KS 661601598407918
Common questions
What is Joshua David Korosac, D.O.'s NPI number?
Joshua David Korosac, D.O.'s National Provider Identifier (NPI) is 1700106168, issued on Jun 8, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Joshua David Korosac, D.O. located?
The NPPES record lists a practice address at 325 Maine St, Lawrence, KS, 66044. Phone: (785) 505-5000. Providers update this record themselves, so call before visiting.
How can I verify Joshua David Korosac, D.O.'s license?
NPPES lists Kansas license number 0539494, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joshua David Korosac, D.O. prescribe under Medicare Part D?
In 2024, Joshua David Korosac, D.O. had 252 Medicare Part D claims for 171 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.