Dr Cathy Hollenbach, OD - Medicare Optometrist in Chandler, AZ

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Dr Cathy Hollenbach, OD is a medicare enrolled "Optometrist" provider in Chandler, Arizona. She went to Illinois College Of Optometry At Chicago and graduated in 1996 and has 29 years of diverse experience with area of expertise as Optometry. Her current practice location is 220 N Mckemy Ave, Chandler, Arizona. You can reach out to her office (for appointments etc.) via phone at (480) 961-1865.

Dr Cathy Hollenbach is licensed to practice in Arizona (license number 972) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1629065016.

Contact Information

Dr Cathy Hollenbach, OD
220 N Mckemy Ave,
Chandler, AZ 85226-2654
(480) 961-1865
(480) 961-4605

Map and Direction




Healthcare Provider's Profile

Full NameDr Cathy Hollenbach
GenderFemale
SpecialityOptometry
Experience29 Years
Location220 N Mckemy Ave, Chandler, Arizona
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Cathy Hollenbach attended and graduated from Illinois College Of Optometry At Chicago in 1996
  NPI Data:
  • NPI Number: 1629065016
  • Provider Enumeration Date: 09/30/2005
  • Last Update Date: 07/09/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7911975164
  • Enrollment ID: I20040924000264

Medical Identifiers

Medical identifiers for Dr Cathy Hollenbach such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629065016NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 972 (Arizona)Primary

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. Dr Cathy Hollenbach allows following entities to bill medicare on her behalf.
Provider NameRic Rios Od Pc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1083794465
PECOS PAC ID: 9436142742
Enrollment ID: O20040405000298
Provider NameCatherine Hollenbach, Od Pc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1184806895
PECOS PAC ID: 0345260543
Enrollment ID: O20051202000394

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. Dr Cathy Hollenbach 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
Dr Cathy Hollenbach, OD
220 N Mckemy Ave,
Chandler, AZ 85226-2654

Ph: (480) 961-1865		Dr Cathy Hollenbach, OD
220 N Mckemy Ave,
Chandler, AZ 85226-2654

Ph: (480) 961-1865

Reviews and Comments


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Kristin Renee Cerni, O.D.
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Practice Location: 220 N Mckemy Ave, Chandler, AZ 85226
Phone: 480-518-1697    
Dr. Neal Weinstein, O.D.
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Practice Location: 220 N Mckemy Ave, Chandler, AZ 85226
Phone: 480-961-1865    Fax: 480-961-4605
Dr. David Palmieri, O.D.
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Practice Location: 220 N Mckemy Ave, Chandler, AZ 85226
Phone: 480-961-1865    Fax: 480-961-1865

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.