Ryan Michael Kretzer, MD - Medicare Neurosurgery in Tucson, AZ

Ryan Michael Kretzer, MD is a medicare enrolled "Neurological Surgery" physician in Tucson, Arizona. He went to Johns Hopkins University School Of Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice Tucson Physician Group Holdings Llc and his current practice location is 6567 E Carondelet Dr, Suite 305, Tucson, Arizona. You can reach out to his office (for appointments etc.) via phone at (520) 881-8400.

Ryan Michael Kretzer is licensed to practice in Maryland (license number P19038) 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 1861545766.

Contact Information

Ryan Michael Kretzer, MD
6567 E Carondelet Dr, Suite 305,
Tucson, AZ 85710-6152
(520) 881-8400
(520) 881-6563

Map and Direction




Physician's Profile

Full NameRyan Michael Kretzer
GenderMale
SpecialityNeurosurgery
Experience20 Years
Location6567 E Carondelet Dr, Tucson, Arizona
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:
  • Ryan Michael Kretzer attended and graduated from Johns Hopkins University School Of Medicine in 2004
  NPI Data:
  • NPI Number: 1861545766
  • Provider Enumeration Date: 01/22/2007
  • Last Update Date: 02/08/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1254519655
  • Enrollment ID: I20120917000325

Medical Identifiers

Medical identifiers for Ryan Michael Kretzer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861545766NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery P19038 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Joseph's HospitalTucson, AZHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Tucson Physician Group Holdings Llc0547560070102

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. Ryan Michael Kretzer allows following entities to bill medicare on his behalf.
Entity NameTucson Physician Group Holdings Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356726939
PECOS PAC ID: 0547560070
Enrollment ID: O20151204001261

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. Ryan Michael Kretzer 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
Ryan Michael Kretzer, MD
6567 E Carondelet Dr, Suite 305,
Tucson, AZ 85710-6152

Ph: (520) 881-8400
Ryan Michael Kretzer, MD
6567 E Carondelet Dr, Suite 305,
Tucson, AZ 85710-6152

Ph: (520) 881-8400

Reviews and Comments


Neurological Surgery Doctors in Tucson, AZ

Dr. Michael Bradley Avery, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3838 N Campbell Avenue, Building #2, Clinic F, Tucson, AZ 85719
Phone: 520-694-6144    Fax: 520-694-0114
Timothy Cheves, PA-C
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 6567 E Carondelet Dr Ste 305, Tucson, AZ 85710
Phone: 520-881-8400    
Dr. Ibrahim Abdulmohsin Alhalal, MBBS
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: Po Box 245070, Tucson, AZ 85724
Phone: 520-626-0704    
Mr. Scott Cameron West, D.O
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 3601 S 6th Ave, Tucson, AZ 85723
Phone: 520-792-1450    Fax: 520-629-4603
Matthew P Wilson, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 6567 E Carondelet Dr Ste 305, Tucson, AZ 85710
Phone: 520-881-8400    Fax: 520-881-6563
Dr. Rein Anton, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 2701 E Elvira Rd, Tucson, AZ 85756
Phone: 520-874-4024    
Eric P Sipos, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 6567 E Carondelet Dr Ste 305, Tucson, AZ 85710
Phone: 520-881-8400    

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).

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