Margaret Riesenberg-karges, MD - Medicare General Surgery in Oro Valley, AZ

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Margaret Riesenberg-karges, MD is a medicare enrolled "Surgery" physician in Oro Valley, Arizona. She went to Saint Louis University School Of Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as General Surgery. She is a member of the group practice Yuma Regional Medical Center and her current practice location is 1850 E Innovation Park Dr, Oro Valley, Arizona. You can reach out to her office (for appointments etc.) via phone at (520) 797-3000.

Margaret Riesenberg-karges is licensed to practice in Arizona (license number 52314) 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 1235371725.

Contact Information

Margaret Riesenberg-karges, MD
1850 E Innovation Park Dr,
Oro Valley, AZ 85755-1963
(520) 797-3000
Not Available

Map and Direction




Physician's Profile

Full NameMargaret Riesenberg-karges
GenderFemale
SpecialityGeneral Surgery
Experience15 Years
Location1850 E Innovation Park Dr, Oro Valley, Arizona
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:
  • Margaret Riesenberg-karges attended and graduated from Saint Louis University School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1235371725
  • Provider Enumeration Date: 03/30/2009
  • Last Update Date: 03/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5799900874
  • Enrollment ID: I20160829001891

Medical Identifiers

Medical identifiers for Margaret Riesenberg-karges such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235371725NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 52314 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Oro Valley HospitalOro valley, AZHospital
Northwest Medical CenterTucson, AZHospital
Yuma Regional Medical CenterYuma, AZHospital

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. Margaret Riesenberg-karges allows following entities to bill medicare on her behalf.
Entity NameYuma Regional Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194706655
PECOS PAC ID: 2062314826
Enrollment ID: O20040122000526
Entity NameNorthwest Allied Physicians Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003833179
PECOS PAC ID: 7618972514
Enrollment ID: O20060928000110
Entity NameSierra Vista Regional Health Center Medical Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043575483
PECOS PAC ID: 3779732854
Enrollment ID: O20121004000679
Entity NameSonoran Sky Surgical Plc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992410989
PECOS PAC ID: 1658745591
Enrollment ID: O20230316001179

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. Margaret Riesenberg-karges 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
Margaret Riesenberg-karges, MD
1850 E Innovation Park Dr,
Oro Valley, AZ 85755-1963

Ph: (520) 797-3000		Margaret Riesenberg-karges, MD
1850 E Innovation Park Dr,
Oro Valley, AZ 85755-1963

Ph: (520) 797-3000

Reviews and Comments


Surgery Doctors in Oro Valley, AZ

Norma Therese Walks, MD
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1521 E Tangerine Rd Ste 201, Oro Valley, AZ 85755
Phone: 520-605-5664    Fax: 520-605-5665
Dr. Mark Thomas Cenac, M.D.
Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 11765 N Robi Pl, Oro Valley, AZ 85737
Phone: 520-292-2286    Fax: 520-575-5992

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.