Aaron M Petersen, MD - Medicare Ophthalmology in Casa Grande, AZ

Aaron M Petersen, MD is a medicare enrolled "Ophthalmology" physician in Casa Grande, Arizona. He went to University Of Arizona College Of Medicine and graduated in 2000 and has 24 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Southwestern Eye Center, Ltd and his current practice location is 560 N Camino Mercado Ste 1, Casa Grande, Arizona. You can reach out to his office (for appointments etc.) via phone at (520) 426-9224.

Aaron M Petersen is licensed to practice in Arizona (license number 32807) 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 1972575140.

Contact Information

Aaron M Petersen, MD
560 N Camino Mercado Ste 1,
Casa Grande, AZ 85122-5759
(520) 426-9224
(602) 508-4830

Map and Direction




Physician's Profile

Full NameAaron M Petersen
GenderMale
SpecialityOphthalmology
Experience24 Years
Location560 N Camino Mercado Ste 1, Casa Grande, 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:
  • Aaron M Petersen attended and graduated from University Of Arizona College Of Medicine in 2000
  NPI Data:
  • NPI Number: 1972575140
  • Provider Enumeration Date: 02/02/2006
  • Last Update Date: 06/15/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1951374073
  • Enrollment ID: I20040817000880

Medical Identifiers

Medical identifiers for Aaron M Petersen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972575140NPI-NPPES
883323MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 32807 (Arizona)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southwestern Eye Center, Ltd1850296989100

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. Aaron M Petersen allows following entities to bill medicare on his behalf.
Entity NameSouthwestern Eye Center, Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063187
PECOS PAC ID: 1850296989
Enrollment ID: O20031203000181

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. Aaron M Petersen 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
Aaron M Petersen, MD
63 S Rockford Dr Ste 220,
Tempe, AZ 85288-6226

Ph: (480) 892-8400
Aaron M Petersen, MD
560 N Camino Mercado Ste 1,
Casa Grande, AZ 85122-5759

Ph: (520) 426-9224

Reviews and Comments


Ophthalmology Doctors in Casa Grande, AZ


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.