AARON SPENCER PEREZ DO
NPI 1710621990
Emergency Medicine in Medford, OR

Active since April 25, 2022PECOS Enrolled
2825 E BARNETT RD, MEDFORD, OR 97504(541) 789-7000 Get Directions Write a Review

NPPES record last updated: June 13, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 13, 2025, May 8, 2025, Apr 25, 2022 (3 updates tracked since 2022).

About Aaron Spencer Perez Do NPPES

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

AARON SPENCER PEREZ DO (NPI 1710621990) is an individual emergency medicine provider in Medford, Oregon, licensed in Oregon (DO224480) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and maintains a secondary practice location in Austin.

NPPES Registry Identity

NPI1710621990
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameAARON SPENCER PEREZCredential: DO
Location Address2825 E BARNETT RDMedford, OR 97504-8332
Mailing Address1013 Hope DrCentral Point, OR 97502-2488 · (016) 084-2218
Sole ProprietorNo
Enumeration DateApril 25, 2022
Last NPPES UpdateJune 13, 20253 updates tracked since enumeration
NPPES CertifiedJune 13, 2025
✔ NPI 1710621990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in OR · DO224480✔ Licensed in TX · V0837✔ Licensed in TX · BP10080036
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2825 E BARNETT RD, Medford, OR 97504

Secondary Practice Location 1

Location 11400 N Ih 35 Ste 2.230Austin, TX 78701-1926 · Phone (512) 324-8221

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aaron Spencer Perez Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

3

Medicare enrollment records show Aaron Perez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
General Acute Care Hospital
2825 E BARNETT RD
Medford, OR 97504
  • Reassigned Medicare billing, Oregon enrollment
  • 267 clinicians in this Medicare group
General Acute Care Hospital
500 SW RAMSEY AVENUE
Grants Pass, OR 97527
  • Reassigned Medicare billing, Oregon enrollment
  • 207 clinicians in this Medicare group
Urgent Care
1518 RANCH ROAD 620 S
Lakeway, TX 78734
  • Reassigned Medicare billing, Texas enrollment
  • 77 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97504 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
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

Pharmacist
2825 E BARNETT RD
MEDFORD, OR 97504
Pharmacist
2825 E BARNETT RD
MEDFORD, OR 97504
General Practice
2825 E BARNETT RD
MEDFORD, OR 97504
Emergency Medicine
2825 E BARNETT RD
MEDFORD, OR 97504
Pathology (Anatomic Pathology & Clinical Pathology)
2825 E BARNETT RD
MEDFORD, OR 97504
Anesthesiology
2825 E BARNETT RD
MEDFORD, OR 97504
Internal Medicine (Hospice and Palliative Medicine)
2825 E BARNETT RD
MEDFORD, OR 97504
Pharmacist (Pharmacotherapy)
2825 E BARNETT RD
MEDFORD, OR 97504

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 Perez's NPI number?

The NPI number for Aaron Perez is 1710621990. It was assigned to this individual provider in the NPPES registry on April 25, 2022.

Where is Aaron Perez located?

Aaron Perez practices at 2825 E Barnett Rd, Medford, OR 97504. The listed phone number is (541) 789-7000.

What is Aaron Perez's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Aaron Perez enrolled in Medicare?

Yes. Aaron Perez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Aaron Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Perez reassigns Medicare benefits to 3 organizations: Asante (Medford, OR), Asante Three Rivers Medical Center, LLC (Grants Pass, OR) and Cec Lakeway Urgent Care Physicians PLLC (Lakeway, TX). Each 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 Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Aaron Perez was last updated on June 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.