Mark J Kellen, MD - Medicare Anesthesiology in Rockford, IL

Mark J Kellen, MD is a medicare enrolled "Anesthesiology" physician in Rockford, Illinois. He graduated from medical school in 1990 and has 34 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Osf Multi-specialty Group, Rockford Health Physicians, Medical Center Anesthesiologists, P.c. and his current practice location is 5875 E Riverside Blvd, Rockford, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 398-9491.

Mark J Kellen is licensed to practice in Illinois (license number 036-097446) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1023178647.

Contact Information

Mark J Kellen, MD
5875 E Riverside Blvd,
Rockford, IL 61114-4937
(815) 398-9491
(815) 381-7498

Map and Direction




Physician's Profile

Full NameMark J Kellen
GenderMale
SpecialityAnesthesiology
Experience34 Years
Location5875 E Riverside Blvd, Rockford, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark J Kellen graduated from medical school in 1990
  NPI Data:
  • NPI Number: 1023178647
  • Provider Enumeration Date: 12/12/2006
  • Last Update Date: 09/13/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3577725134
  • Enrollment ID: I20120427000472

Medical Identifiers

Medical identifiers for Mark J Kellen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023178647NPI-NPPES
036097446MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 036-097446 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Saint James HospitalPontiac, ILHospital
Javon Bea HospitalRockford, ILHospital
Mercyone Des Moines Medical CenterDes moines, IAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Osf Multi-specialty Group36788897891543
Rockford Health Physicians2567374036289
Medical Center Anesthesiologists, P.c.408252727065

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark J Kellen allows following entities to bill medicare on his behalf.
Entity NameRockford Health Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043242886
PECOS PAC ID: 2567374036
Enrollment ID: O20031103000584
Entity NameOrthomidwest Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730136474
PECOS PAC ID: 0749183713
Enrollment ID: O20040128000533
Entity NameOsf Multi-specialty Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922445527
PECOS PAC ID: 3678889789
Enrollment ID: O20150904000279

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark J Kellen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark J Kellen, MD
Po Box 735263,
Chicago, IL 60673-5263

Ph: () -
Mark J Kellen, MD
5875 E Riverside Blvd,
Rockford, IL 61114-4937

Ph: (815) 398-9491

Reviews and Comments


Anesthesiology Doctors in Rockford, IL

Alan G Mowbray, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 2400 N Rockton Ave, Rockford, IL 61103
Phone: 815-971-4000    
John N. Edwards, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 6785 Weaver Rd, Suite D, Rockford, IL 61114
Phone: 815-633-8545    
Dr. Vishrut P. Naik, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 5875 E Riverside Blvd, Rockford, IL 61114
Phone: 815-398-9491    
Adam Soliman, DO
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 5875 E Riverside Blvd, Rockford, IL 61114
Phone: 815-398-9491    Fax: 815-381-7498
Dr. William Stephen Minore, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1235 N Mulford Rd Ste 222, Rockford, IL 61107
Phone: 815-397-8400    Fax: 815-229-0050
Stephen J. Martin, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 5875 E Riverside Blvd, Rockford, IL 61114
Phone: 815-398-9491    Fax: 815-381-7498

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.