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DR. MARC DOUGLAS KNEPP M.D.
NPI 1568686277
Pediatrics - Pediatric Cardiology in Peoria, IL

Active since April 12, 2007PECOS EnrolledAccepts Medicare Assignment
420 NE GLEN OAK AVE, SUITE 301, PEORIA, IL 61603(309) 655-3456(309) 655-3410 Get Directions Write a Review

NPPES record last updated: November 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Marc Douglas Knepp M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARC DOUGLAS KNEPP M.D. (NPI 1568686277) is an individual pediatric cardiology provider in Peoria, Illinois, licensed in Illinois (036-129846) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Saint Francis Medical Center, and maintains a secondary practice location in Mattoon.

NPPES Registry Identity

NPI1568686277
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDR. MARC DOUGLAS KNEPPCredential: M.D.
Location Address420 NE GLEN OAK AVE, SUITE 301Peoria, IL 61603-3105
Mailing Address420 Ne Glen Oak Ave, Suite 301Peoria, IL 61603-3105 · (309) 655-3453 · Fax (309) 655-3410
Phone(309) 655-3456
Fax(309) 655-3410
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateApril 12, 2007
Last NPPES UpdateNovember 11, 2022
NPPES CertifiedNovember 11, 2022
✔ NPI 1568686277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in IL · 036-129846
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301083662 (MI)
Also ListedPediatricsTaxonomy 208000000X · License 4301083662 (MI)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 4301083662 (MI)
420 NE GLEN OAK AVE, Peoria, IL 61603
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Secondary Practice Location 1

Location 11000 Health Center DrMattoon, IL 61938-4644 · Phone (217) 238-4960 · Fax (217) 238-4951

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Blue Care Network of Michigan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marc Douglas Knepp M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446421960
PECOS Enrollment IDI20120828000835
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Marc Knepp reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Board Of Trustees Of The University Of Illinois
0.4 mi
Pediatrics
1 ILLINI DR
Peoria, IL 61605
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1467425322 (309) 680-8649
Osf Multi-Specialty Group
7.4 mi
Internal Medicine
8600 N STATE ROUTE 91
Peoria, IL 61615
  • Reassigned Medicare billing, Illinois enrollment
  • 2,944 clinicians in this Medicare group
NPI 1922445527 (309) 683-5050
Genesis Health System
70 mi
General Acute Care Hospital
801 ILLINI DR
Silvis, IL 61282
  • Reassigned Medicare billing, Illinois enrollment
  • 198 clinicians in this Medicare group
NPI 1427132604 (309) 281-4000
Carle Health Medical Group
83 mi
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
NPI 1154653947 (217) 383-8300
Hoopeston Community Memorial Hospital
102 mi
Rural Health
801 E ORANGE ST
Hoopeston, IL 60942
  • Reassigned Medicare billing, Illinois enrollment
  • 488 clinicians in this Medicare group
NPI 1578504544 (214) 283-5644
Sarah Bush Lincoln Health Center
109 mi
Family Medicine
1000 HEALTH CENTER DR
Mattoon, IL 61938
  • Reassigned Medicare billing, Illinois enrollment
  • 652 clinicians in this Medicare group
NPI 1568581379 (217) 258-2525

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
36 services33 patients
Ultrasound of heart with color-depicted blood flow, rate and valve function 93325
An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.
29 services29 patients
Ultrasound of heart for congenital defect 93303
An ultrasound of the heart, also known as an echocardiogram, is a test that uses sound waves to create pictures of your heart. This test can help doctors identify any congenital heart defects, which are heart conditions present at birth. It's a safe, non-invasive procedure.
23 services23 patients
Ultrasound of heart blood flow, valves and chambers 93320
An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.
23 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
23 services22 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
20 services17 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Francis Medical Center

Acute Care Hospitals · Peoria, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140067
Location530 NE Glen Oak AvePeoria, IL 61637 · Peoria County
Emergency services Birthing friendly

Saint Anthony Medical Center

Acute Care Hospitals · Rockford, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140233
Location5666 East State StreetRockford, IL 61108 · Winnebago County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDA SCHMIDGALL
Nurse Practitioner
420 NE GLEN OAK AVE, SUITE 200
PEORIA, IL 61603
Peoria County (309) 624-5100
SANDRA L. PEACH APN
Nurse Practitioner
420 NE GLEN OAK AVE
PEORIA, IL 61603
Peoria County (309) 655-2343
SAINT FRANCIS MEDICAL CENTER
Pediatrics (Pediatric Cardiology)
420 NE GLEN OAK AVE, SUITE 304
PEORIA, IL 61603
Peoria County (309) 655-3453
CHARLES APRAHAMIAN MD
Surgery (Pediatric Surgery)
420 NE GLEN OAK AVE, SUITE 201
PEORIA, IL 61603
Peoria County (309) 655-3800
MRS. HEATHER A BOORE APN, CNS-BC
Clinical Nurse Specialist (Pediatrics)
420 NE GLEN OAK AVE, SUITE 401
PEORIA, IL 61603
Peoria County (309) 624-9844
DR. MATTHEW T BRAMLET MD
Pediatrics (Pediatric Cardiology)
420 NE GLEN OAK AVE, SUITE 301
PEORIA, IL 61603
Peoria County (309) 655-3453
GREGORY PUSZKIEWICZ R.PH.
Pharmacist
420 NE GLEN OAK AVE
PEORIA, IL 61603
Peoria County (309) 624-8777
PEDIATRIC CARDIOLOGY ASSOCIATES SC
Pediatrics (Pediatric Cardiology)
420 NE GLEN OAK AVE, SUITE 304
PEORIA, IL 61603
Peoria County (309) 655-3453

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marc Knepp's NPI number?

The NPI number for Marc Knepp is 1568686277. It was assigned to this individual provider in the NPPES registry on April 12, 2007.

Where is Marc Knepp located?

Marc Knepp practices at 420 NE Glen Oak Ave Suite 301, Peoria, IL 61603. The listed phone number is (309) 655-3456.

What is Marc Knepp's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Marc Knepp enrolled in Medicare?

Yes. Marc Knepp is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Marc Knepp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Knepp reassigns Medicare benefits to 6 organizations: Board Of Trustees Of The University Of Illinois (Peoria, IL), Osf Multi-Specialty Group (Peoria, IL), Genesis Health System (Silvis, IL), Carle Health Medical Group (Urbana, IL), Hoopeston Community Memorial Hospital (Hoopeston, IL) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marc Knepp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marc Knepp accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Dean Health Plan and 1 other insurer list Marc Knepp as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marc Knepp affiliated with any hospitals?

According to CMS data, Marc Knepp is affiliated with Saint Francis Medical Center and Saint Anthony Medical Center.

When was this NPI record last updated?

The NPPES record for Marc Knepp was last updated on November 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.