DR. JAIVA BLAIR LARSEN M.D
NPI 1275820888
Emergency Medicine in Tucson, AZ
About Dr. Jaiva Blair Larsen M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAIVA BLAIR LARSEN M.D (NPI 1275820888) is an individual emergency medicine provider in Tucson, Arizona, licensed in Arizona (R72785) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 3
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
Dr. Jaiva Blair Larsen 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
7Medicare enrollment records show Jaiva Larsen reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85711
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Tucson, AZ 85711
- Reassigned Medicare billing, Arizona enrollment
- 48 clinicians in this Medicare group
Benson, AZ 85602
- Reassigned Medicare billing, Arizona enrollment
- 152 clinicians in this Medicare group
Sierra Vista, AZ 85635
- Reassigned Medicare billing, Arizona enrollment
- 239 clinicians in this Medicare group
Bylas, AZ 85530
- Reassigned Medicare billing, Texas enrollment
- 438 clinicians in this Medicare group
Huntington Park, CA 90255
- Reassigned Medicare billing, California enrollment
- 74 clinicians in this Medicare group
Gardena, CA 90247
- Reassigned Medicare billing, California enrollment
- 57 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 3
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 85713 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUCSON, AZ 85713
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 Jaiva Larsen's NPI number?
The NPI number for Jaiva Larsen is 1275820888. It was assigned to this individual provider in the NPPES registry on July 3, 2011.
Where is Jaiva Larsen located?
Jaiva Larsen practices at 2800 E Ajo Way Ua/Uphk Gme Consortium Emergency Medicine Program, Tucson, AZ 85713. The listed phone number is (503) 939-6612.
What is Jaiva Larsen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jaiva Larsen enrolled in Medicare?
Yes. Jaiva Larsen 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 Jaiva Larsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jaiva Larsen reassigns Medicare benefits to 7 organizations: Banner-University Medical Group (Tucson, AZ), B--Umg Integrated Health Clinic, LLC (Tucson, AZ), Benson Hospital Corporation (Benson, AZ), Sound Physicians Emergency Medicine Of Arizona, Inc. (Sierra Vista, AZ), San Carlos Apache Healthcare Corporation (Bylas, AZ) and 2 more organizations, listed in the Medicare section above. 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 Jaiva Larsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jaiva Larsen accept?
Health plans from Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. list Jaiva Larsen 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 Jaiva Larsen was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Jaiva Blair Larsen, M.D · NPI 1275820888
Emergency Medicine physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since July 3, 2011.
## Identity
- **NPI:** 1275820888 (Entity type: Individual)
- **Enumerated:** July 3, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** R72785 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2800 E AJO WAY, UA/UPHK GME CONSORTIUM EMERGENCY MEDICINE PROGRAM, Tucson, AZ 85713-6204
- **Phone:** (503) 939-6612
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Banner-University Medical Group (NPI 1932708328, Tucson, AZ); B--Umg Integrated Health Clinic, LLC (NPI 1043758816, Tucson, AZ); Benson Hospital Corporation (NPI 1336118322, Benson, AZ); Sound Physicians Emergency Medicine Of Arizona, Inc. (NPI 1700328663, Sierra Vista, AZ); San Carlos Apache Healthcare Corporation (NPI 1417330713, Bylas, AZ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** April 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275820888) · Data from the CMS NPPES public registry.