Derek G. Kenneaster, MD
Dermatology Physician · Herrin, IL
Derek G. Kenneaster, MD is a dermatology physician with a practice address in Herrin, Illinois, and NPI 1457372724, issued on Jul 22, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Derek G. Kenneaster
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- ME94334 FL
Self-reported in NPPES; status is on the state search - Practice location
- 220 N Park Ave, Herrin, IL 62948
- Phone
- (618) 942-3344
- Enumerated
- Jul 22, 2006
- Record last updated
- Mar 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (618) 942-5045
- Medicaid ID
- 036093018 IL
- Medicare enrollment
- Enrolled (PECOS I20101124000877); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 647 in Illinois → Look up another NPI →
Also registered at 220 N Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gerri Dyer, NPNurse Practitioner1952328486
- Leon Gauthier, PA-CPhysician Assistant1033145172
- Natalie Spiller, PA-CPhysician Assistant1942550272
- Shanda Swagler, F NP-CFamily Nurse Practitioner1750526810
- Ted Van Acker, D.O.Dermatology Physician1720025562
Verify Derek G. Kenneaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average dermatology physician in 2024
1,054 Medicare Part D claims for 362 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Ketoconazole164 claims
- Mupirocin140 claims
- Triamcinolone Acetonide109 claims
- Clobetasol Propionate83 claims
- Cephalexin66 claims
- Doxycycline Monohydrate63 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $411.81
12 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern Illinois Dermatology, PCWest Frankfort, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek G. Kenneaster among 647 dermatology physician records in Illinois
Derek G. Kenneaster, MD is one of 647 dermatology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 65% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1993 · median 2008 among the 440 with a school on file
- Record last updated2011 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Illinois
There are 647 dermatology physician records in Illinois.
All 647 in Illinois → Every provider in Herrin → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Ted Van Acker, D.O.Herrin, IL 629481720025562
- Hal Lewis, M.D.Carbondale, IL 629021124554209
- Anup Chaudhry, M.D.Carbondale, IL 629011700843570
- Susan Schaberg, M.D.Carbondale, IL 629011609844927
- Mark Westphal, MDCarbondale, IL 629011043388242
- Ashley Egler, MDSpringfield, IL 627941851138028
- Larry Newell, MDSpringfield, IL 627041942386677
- Brittany Sweet, MDSpringfield, IL 627041235662586
Common questions
What is Derek G. Kenneaster, MD's NPI number?
Derek G. Kenneaster, MD's National Provider Identifier (NPI) is 1457372724, issued on Jul 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek G. Kenneaster, MD located?
The NPPES record lists a practice address at 220 N Park Ave, Herrin, IL, 62948. Phone: (618) 942-3344. Providers update this record themselves, so call before visiting.
How can I verify Derek G. Kenneaster, MD's license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Derek G. Kenneaster, MD prescribe under Medicare Part D?
In 2024, Derek G. Kenneaster, MD had 1,054 Medicare Part D claims for 362 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Derek G. Kenneaster, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.