Marc Douglas Knepp, M.D.
Pediatric Cardiology Physician · Peoria, IL
Marc Douglas Knepp, M.D. is a pediatric cardiology physician with a practice address in Peoria, Illinois, and NPI 1568686277, issued on Apr 12, 2007. Check the license (Illinois 036-129846, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Marc Douglas Knepp
- Credential
- M.D.
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License numbers
- 036-129846 IL
4301083662 MI
Self-reported in NPPES; status is on the state search - Practice location
- 420 NE Glen Oak Ave, Peoria, IL 61603
- Phone
- (309) 655-3456
- Enumerated
- Apr 12, 2007
- Record last updated
- Nov 11, 2022
- Fax
- (309) 655-3410
- Medicare enrollment
- Enrolled (PECOS I20120828000835); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 162 in Illinois → Look up another NPI →
Also registered at 420 NE Glen Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cecilia Albaro, M.D.Pediatric Cardiology Physician1497879290
- William Albers, MDPediatric Cardiology Physician1982798146
- Charles Aprahamian, MDPediatric Surgery Physician1033323902
- Allison Blicharz, PA-SPhysician Assistant1982442315
- Heather Boore, APN, CNS-BCPediatric Clinical Nurse Specialist1083062285
- Matthew Bramlet, MDPediatric Cardiology Physician1164689428
Verify Marc Douglas Knepp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-129846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.0 times the Medicare Part D claims of the average pediatric cardiology physician in 2024
521 Medicare Part D claims for 57 beneficiaries, against an average of 74 among the 518 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Furosemide48 claims
- Warfarin Sodium47 claims
- Sotalol36 claims
- Metoprolol Succinate32 claims
- Spironolactone28 claims
- Bumetanide25 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.
Industry payments in 2024: $604.59
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 1,156 providers of this specialty with any payment received $2,864.57 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 2 group practices
- Osf Multi-Specialty GroupPeoria, IL
- The Board OF Trustees OF The University OF IllinoisPeoria, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Douglas Knepp among 162 pediatric cardiology physician records in Illinois
Marc Douglas Knepp, M.D. is one of 162 pediatric cardiology physician records with a practice address in Illinois. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 28% of them.
- NPI issued2007 · 28% of these records are older, 54% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2004 · median 2005 among the 84 with a school on file
- Record last updated2022 · 27% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Illinois
There are 162 pediatric cardiology physician records in Illinois.
All 162 in Illinois → Every provider in Peoria → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Cecilia Albaro, M.D.Peoria, IL 616031497879290
- William Albers, MDPeoria, IL 616031982798146
- Matthew Bramlet, MDPeoria, IL 616031164689428
- Ty Hasselman, MDPeoria, IL 616031861438434
- David Jantzen, M.D.Peoria, IL 616031649451352
- Priti Patel, MDPeoria, IL 616031740483627
- Jitendra Shah, MDPeoria, IL 616031619061827
- Stephen Bash, MDPeoria, IL 616141417041666
Common questions
What is Marc Douglas Knepp, M.D.'s NPI number?
Marc Douglas Knepp, M.D.'s National Provider Identifier (NPI) is 1568686277, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marc Douglas Knepp, M.D. located?
The NPPES record lists a practice address at 420 NE Glen Oak Ave, Peoria, IL, 61603. Phone: (309) 655-3456. Providers update this record themselves, so call before visiting.
How can I verify Marc Douglas Knepp, M.D.'s license?
NPPES lists Illinois license number 036-129846, as entered by the provider. 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 Marc Douglas Knepp, M.D. prescribe under Medicare Part D?
In 2024, Marc Douglas Knepp, M.D. had 521 Medicare Part D claims for 57 beneficiaries; the average among pediatric cardiology physician prescribers was 74. 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.