Leroy J. Korb, M.D.
Radiation Oncology Physician · Warren, PA
Leroy J. Korb, M.D. is a radiation oncology physician with a practice address in Warren, Pennsylvania, and NPI 1770572430, issued on Oct 17, 2005. Check the license (Pennsylvania MD044119L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Leroy J. Korb
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD044119L PA
Self-reported in NPPES; status is on the state search - Practice location
- 2 W Crescent Park, Warren, PA 16365
- Phone
- (814) 723-3300
- Enumerated
- Oct 17, 2005
- Record last updated
- Feb 13, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (814) 723-8515
- Medicaid ID
- 001252334 PA
- Medicare enrollment
- Enrolled (PECOS I20180222002174); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 383 in Pennsylvania → Look up another NPI →
Also registered at 2 W Crescent Park
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine Bates-Ender, CRNPFamily Nurse Practitioner1346518438
- Paul Bialas, M.D.Internal Medicine Physician1326077702
- Andrew Braun, P.A.-C.Surgical Physician Assistant1356696751
Verify Leroy J. Korb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD044119LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average radiation oncology physician in 2024
18 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Great Lakes Physician PCJamestown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leroy J. Korb among 383 radiation oncology physician records in Pennsylvania
Leroy J. Korb, M.D. is one of 383 radiation oncology physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1986 · median 2004 among the 285 with a school on file
- Record last updated2013 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Pennsylvania
There are 383 radiation oncology physician records in Pennsylvania.
All 383 in Pennsylvania → Every provider in Warren → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Bernard Eden, MDWarren, PA 163651427035716
- Razvan Gramatovici, M.D.Seneca, PA 163461922079193
- Edward Marchan, M.D.Seneca, PA 163461245439017
- Brian Karlovits, D.O.Meadville, PA 163351619955291
- Eric Svenson, MDMeadville, PA 163351669526398
- Steven Gregoritch, M.D.Oil City, PA 163011841290772
- Robert Bertoli, M.D.Erie, PA 165021477601235
- Andrew Figura, MDErie, PA 165021740404516
Common questions
What is Leroy J. Korb, M.D.'s NPI number?
Leroy J. Korb, M.D.'s National Provider Identifier (NPI) is 1770572430, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leroy J. Korb, M.D. located?
The NPPES record lists a practice address at 2 W Crescent Park, Warren, PA, 16365. Phone: (814) 723-3300. Providers update this record themselves, so call before visiting.
How can I verify Leroy J. Korb, M.D.'s license?
NPPES lists Pennsylvania license number MD044119L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leroy J. Korb, M.D. prescribe under Medicare Part D?
In 2024, Leroy J. Korb, M.D. had 18 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Leroy J. Korb, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.