GLEN ISAAC OLSON M.D.
NPI 1942574942
Emergency Medicine in Tucson, AZ
About Glen Isaac Olson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GLEN ISAAC OLSON M.D. (NPI 1942574942) is an individual emergency medicine provider in Tucson, Arizona, licensed in Arizona (58768) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted 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
Glen Isaac Olson 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.
Medicare Billing Reassignments
5Medicare enrollment records show Glen Olson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85741
- Reassigned Medicare billing, Arizona enrollment
- 664 clinicians in this Medicare group
Benson, AZ 85602
- Reassigned Medicare billing, Arizona enrollment
- 152 clinicians in this Medicare group
Maricopa, AZ 85139
- Reassigned Medicare billing, Arizona enrollment
- 159 clinicians in this Medicare group
Mesa, AZ 85202
- Reassigned Medicare billing, Arizona enrollment
- 211 clinicians in this Medicare group
Paducah, KY 42003
- Reassigned Medicare billing, Arizona enrollment
- 21 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.
Areas of Expertise CMS Part B claims 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85707 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DAVIS-MONTHAN AFB, AZ 85707
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 Glen Olson's NPI number?
The NPI number for Glen Olson is 1942574942. It was assigned to this individual provider in the NPPES registry on March 8, 2012.
Where is Glen Olson located?
Glen Olson practices at 4175 S. Alamo Ave, Tucson, AZ 85707. The listed phone number is (301) 312-4573.
What is Glen Olson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Glen Olson enrolled in Medicare?
Yes. Glen Olson 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 Glen Olson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Glen Olson reassigns Medicare benefits to 5 organizations: Northwest Hbp Medical Services LLC (Tucson, AZ), Benson Hospital Corporation (Benson, AZ), Exceptional Physicians Group Arizona PLLC (Maricopa, AZ), Progressive Medical Associates PLLC (Mesa, AZ) and Green Valley Emergency Physicians, LLC (Paducah, KY). 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 Glen Olson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Glen Olson accept?
Health plans from Blue Cross Blue Shield of Arizona list Glen Olson 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 Glen Olson was last updated on February 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Glen Isaac Olson, M.D. · NPI 1942574942
Emergency Medicine physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since March 8, 2012.
## Identity
- **NPI:** 1942574942 (Entity type: Individual)
- **Enumerated:** March 8, 2012
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 58768 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 4175 S. ALAMO AVE, Tucson, AZ 85707
- **Phone:** (301) 312-4573
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Northwest Hbp Medical Services LLC (NPI 1407353006, Tucson, AZ); Benson Hospital Corporation (NPI 1336118322, Benson, AZ); Exceptional Physicians Group Arizona PLLC (NPI 1447910229, Maricopa, AZ); Progressive Medical Associates PLLC (NPI 1548218613, Mesa, AZ); Green Valley Emergency Physicians, LLC (NPI 1720755739, Paducah, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Uniformed Services Uhs Fe Hebert School Of Med, class of 2012
## Record status
- **NPPES last updated:** February 9, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1942574942) · Data from the CMS NPPES public registry.