Gregory S Granzeier, DO - Medicare Obstetrics/gynecology in Roscoe, IL

Gregory S Granzeier, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Roscoe, Illinois. He went to New York College Of Osteo Medicine Of New York Institute Of Technology and graduated in 1991 and has 33 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Rockford Health Physicians and his current practice location is 5000 Prairie Rose Dr, Roscoe, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 971-2000.

Gregory S Granzeier is licensed to practice in Illinois (license number 036-094024) 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 1134239320.

Contact Information

Gregory S Granzeier, DO
5000 Prairie Rose Dr,
Roscoe, IL 61073-7792
(815) 971-2000
Not Available

Map and Direction




Physician's Profile

Full NameGregory S Granzeier
GenderMale
SpecialityObstetrics/gynecology
Experience33 Years
Location5000 Prairie Rose Dr, Roscoe, 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:
  • Gregory S Granzeier attended and graduated from New York College Of Osteo Medicine Of New York Institute Of Technology in 1991
  NPI Data:
  • NPI Number: 1134239320
  • Provider Enumeration Date: 08/30/2006
  • Last Update Date: 01/21/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 3971563164
  • Enrollment ID: I20041012001410

Medical Identifiers

Medical identifiers for Gregory S Granzeier such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134239320NPI-NPPES
036094024MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 036-094024 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Javon Bea HospitalRockford, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rockford Health Physicians2567374036304

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. Gregory S Granzeier 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

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. Gregory S Granzeier 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
Gregory S Granzeier, DO
5000 Prairie Rose Dr,
Roscoe, IL 61073-7792

Ph: (815) 971-2000
Gregory S Granzeier, DO
5000 Prairie Rose Dr,
Roscoe, IL 61073-7792

Ph: (815) 971-2000

Reviews and Comments


Obstetrics & Gynecology Doctors in Roscoe, IL

Ms. Binn M Jatta, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: Northpointe Clinic, 5605 E. Rockton Road, Roscoe, IL 61073
Phone: 815-525-4500    Fax: 815-525-4505
Dr. Rana Abdul-khalek, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5000 Prairie Rose Dr, Roscoe, IL 61073
Phone: 815-971-2000    Fax: 815-971-9070
Dr. Tarek Samir Harb, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 4282 E Rockton Rd, Roscoe, IL 61073
Phone: 779-696-9000    

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.