Diane Sierens, MD - Medicare Neurosurgery in Rockford, IL

Diane Sierens, MD is a medicare enrolled "Neurological Surgery" physician in Rockford, Illinois. She went to Rush Medical College Of Rush University and graduated in 1994 and has 30 years of diverse experience with area of expertise as Neurosurgery. She is a member of the group practice Cook County and her current practice location is 2350 N Rockton Ave, Rockford, Illinois. You can reach out to her office (for appointments etc.) via phone at (815) 971-7600.

Diane Sierens is licensed to practice in Illinois (license number 036102651) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1831127802.

Contact Information

Diane Sierens, MD
2350 N Rockton Ave,
Rockford, IL 61103-3600
(815) 971-7600
Not Available

Map and Direction




Physician's Profile

Full NameDiane Sierens
GenderFemale
SpecialityNeurosurgery
Experience30 Years
Location2350 N Rockton Ave, Rockford, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Diane Sierens attended and graduated from Rush Medical College Of Rush University in 1994
  NPI Data:
  • NPI Number: 1831127802
  • Provider Enumeration Date: 06/29/2006
  • Last Update Date: 04/30/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2062481294
  • Enrollment ID: I20040924001021

Medical Identifiers

Medical identifiers for Diane Sierens such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831127802NPI-NPPES
036102651OtherILSTATE LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 036102651 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John H Stroger Jr HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cook County2860398088645

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. Diane Sierens allows following entities to bill medicare on her behalf.
Entity NameCook County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588612832
PECOS PAC ID: 2860398088
Enrollment ID: O20031209000747

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. Diane Sierens 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
Diane Sierens, MD
2350 N Rockton Ave,
Rockford, IL 61103-3600

Ph: (815) 971-7600
Diane Sierens, MD
2350 N Rockton Ave,
Rockford, IL 61103-3600

Ph: (815) 971-7600

Reviews and Comments


Neurological Surgery Doctors in Rockford, IL

Gayatri Sonti, DO
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1340 Charles St Ste 400, Rockford, IL 61104
Phone: 779-696-9512    
Denise E Crute, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 5666 E State St, Rockford, IL 61108
Phone: 815-226-2000    Fax: 815-227-2880
Mr. Nicholas J Manno, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 2825 Glenwood Ave, Rockford, IL 61101
Phone: 815-965-9548    Fax: 815-965-9712
Theodore Eller, M.D.
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 2350 N Rockton Ave, Rockford, IL 61103
Phone: 815-971-7600    
Dr. Morris Marc Soriano, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 973 Featherstone Rd, Suite 360, Rockford, IL 61107
Phone: 815-395-1991    Fax: 815-395-1994
Martin Edward Gryfinski, M.D.
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 1340 Charles St, Suite 400, Rockford, IL 61104
Phone: 779-696-9512    
Dr. Melissa Yvonne Macias, MD, PHD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1340 Charles St Ste 400, Rockford, IL 61104
Phone: 815-489-9512    Fax: 815-967-5488

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.