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AARON M PETERSEN MD
NPI 1972575140
Ophthalmology in Casa Grande, AZ

Active since February 02, 2006PECOS EnrolledAccepts Medicare Assignment
87.65/100
CMS Quality Rating
560 N CAMINO MERCADO STE 1, CASA GRANDE, AZ 85122(520) 426-9224(602) 508-4830 Get Directions Write a Review

NPPES record last updated: June 15, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 15, 2023, Apr 30, 2019 (2 updates tracked since 2019).

About Aaron M Petersen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AARON M PETERSEN MD (NPI 1972575140) is an individual ophthalmology provider in Casa Grande, Arizona, licensed in Arizona (32807) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Phoenix, and is a graduate of University Of Arizona College Of Medicine (2000).

NPPES Registry Identity

NPI1972575140
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameAARON M PETERSENCredential: MD
Location Address560 N CAMINO MERCADO STE 1Casa Grande, AZ 85122-5759
Mailing Address63 S Rockford Dr Ste 220Tempe, AZ 85288-6226 · (480) 892-8400 · Fax (602) 508-4830
Phone(520) 426-9224
Fax(602) 508-4830
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2000
Enumeration DateFebruary 2, 2006
Last NPPES UpdateJune 15, 20232 updates tracked since enumeration
NPPES CertifiedJune 15, 2023
✔ NPI 1972575140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in AZ · 32807
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
560 N CAMINO MERCADO STE 1, Casa Grande, AZ 85122
Open in Google Maps ↗

Secondary Practice Location 1

Location 14800 N 22nd St Ste 120Phoenix, AZ 85016-4962 · Phone (602) 955-1000 · Fax (602) 508-4830

Other Identifiers 1

Medicaid883323AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Anthem Blue Cross and Blue Shield and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aaron M Petersen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951374073
PECOS Enrollment IDI20040817000880
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Aaron Petersen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southwestern Eye Center Ltd
Same address
Ambulatory Surgical
560 N CAMINO MERCADO, SUITE 1
Casa Grande, AZ 85122
  • Reassigned Medicare billing, Arizona enrollment
  • 212 clinicians in this Medicare group
NPI 1275569121 (520) 426-9224

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
1,025 services445 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
596 services391 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
367 services367 patients
Removal of recurring cataract in lens capsule using a laser 66821
This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.
167 services144 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
124 services123 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
110 services102 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.65/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Promoting Interoperability100
Improvement Activities40
Cost58.84

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JEFFREY ALAN JACKSON O.D.
Optometrist
560 N CAMINO MERCADO STE 1
CASA GRANDE, AZ 85122
Pinal County (520) 426-9224
MICHAEL ROLLINS O.D.
Optometrist
560 N CAMINO MERCADO STE 1
CASA GRANDE, AZ 85122
Pinal County (520) 426-9224
SOUTHWESTERN EYE CENTER LTD
Durable Medical Equipment & Medical Supplies
560 N CAMINO MERCADO STE 1
CASA GRANDE, AZ 85122
Pinal County (520) 426-9224

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aaron Petersen's NPI number?

The NPI number for Aaron Petersen is 1972575140. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Where is Aaron Petersen located?

Aaron Petersen practices at 560 N Camino Mercado Ste 1, Casa Grande, AZ 85122. The listed phone number is (520) 426-9224.

What is Aaron Petersen's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Aaron Petersen enrolled in Medicare?

Yes. Aaron Petersen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Aaron Petersen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Petersen reassigns Medicare benefits to Southwestern Eye Center Ltd (Casa Grande, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aaron Petersen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Petersen accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Arizona and Blue Cross Blue Shield of Wyoming and 4 other insurers list Aaron Petersen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Aaron Petersen was last updated on June 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.