1. Home
  2. Directory
  3. Arizona
  4. Tucson
  5. Emergency Medicine
  6. NPI Profile

DR. REESE BYERRUM M.D.
NPI 1073193728
Emergency Medicine in Tucson, AZ

Active since April 08, 2021PECOS EnrolledAccepts Medicare Assignment
1625 N CAMPBELL AVE, TUCSON, AZ 85719(520) 694-0111 Get Directions Write a Review

NPPES record last updated: May 5, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 5, 2025, Apr 8, 2021 (2 updates tracked since 2021).

About Dr. Reese Byerrum M.d. NPPES

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

DR. REESE BYERRUM M.D. (NPI 1073193728) is an individual emergency medicine provider in Tucson, Arizona, licensed in Arizona (76231) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1073193728
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. REESE BYERRUMCredential: M.D.
Location Address1625 N CAMPBELL AVETucson, AZ 85719-4330
Mailing Address1625 N Campbell AveTucson, AZ 85719-4330
Phone(520) 694-0111
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 8, 2021
Last NPPES UpdateMay 5, 20252 updates tracked since enumeration
NPPES CertifiedMay 5, 2025
✔ NPI 1073193728 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in AZ · 76231
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.
1625 N CAMPBELL AVE, Tucson, AZ 85719
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc..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

Dr. Reese Byerrum M.d. 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 ID244758308
PECOS Enrollment IDI20250513003035
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

2

Medicare enrollment records show Reese Byerrum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner-University Medical Group
5.3 mi
Nutrition, Education
535 N WILMOT RD STE 101
Tucson, AZ 85711
  • Reassigned Medicare billing, Arizona enrollment
  • 1,514 clinicians in this Medicare group
NPI 1932708328 (520) 694-5437
North Valley Emergency Specialists
118 mi
Emergency Medicine
5555 W THUNDERBIRD RD
Glendale, AZ 85306
  • Reassigned Medicare billing, Arizona enrollment
  • 93 clinicians in this Medicare group
NPI 1285655209 (602) 588-5555

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 85719 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

KATELYN DESALVO MD
Pediatrics
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pima County (520) 626-7944
DR. JESSICA WRIGHT
Pediatrics
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pima County (520) 694-0111
ALEXANDRIA TAYSOM PA
Physician Assistant
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pima County (520) 694-0111
DR. LESLIE CHRISTINE COWLES DNP, AGACNP
Nurse Practitioner (Acute Care)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pima County (520) 694-0111
ERIN RIECK DO
Emergency Medicine
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pima County (520) 694-8888
JESSICA HANNA NRP
Emergency Medical Technician, Paramedic
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pima County (907) 598-3566
CHRISTOPHER J KARASCH DO
Anesthesiology
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pima County (520) 626-7141
DR. JOSHUA MICHAEL ROCKEY MD
Radiology (Diagnostic Radiology)
1625 N CAMPBELL AVE
TUCSON, AZ 85719
Pima County (520) 694-0111

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 Reese Byerrum's NPI number?

The NPI number for Reese Byerrum is 1073193728. It was assigned to this individual provider in the NPPES registry on April 8, 2021.

Where is Reese Byerrum located?

Reese Byerrum practices at 1625 N Campbell Ave, Tucson, AZ 85719. The listed phone number is (520) 694-0111.

What is Reese Byerrum's specialty?

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

Is Reese Byerrum enrolled in Medicare?

Yes. Reese Byerrum 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 organizations bill Medicare for Reese Byerrum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Reese Byerrum reassigns Medicare benefits to 2 organizations: Banner-University Medical Group (Tucson, AZ) and North Valley Emergency Specialists (Glendale, AZ). 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 Reese Byerrum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Reese Byerrum accept?

Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Reese Byerrum 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 Reese Byerrum was last updated on May 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.