DR. JOSEPH M. MORTENSEN MD
NPI 1942461850
Anesthesiology in Nampa, ID
About Dr. Joseph M. Mortensen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH M. MORTENSEN MD (NPI 1942461850) is an individual anesthesiology provider in Nampa, Idaho, licensed in Idaho (M-11657) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and is a graduate of University Of Utah School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Joseph M. Mortensen 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.
Medicare Billing Reassignments
2Medicare enrollment records show Joseph Mortensen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boise, ID 83706
- Reassigned Medicare billing, Idaho enrollment
- Medicare enrollment name: Boise Anesthesia, P A
- 18 clinicians in this Medicare group
Boise, ID 83712
- Reassigned Medicare billing, Idaho enrollment
- 233 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
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Luke's Regional Medical Center
Acute Care Hospitals · Boise, IDSt Luke's Nampa Medical Center
Acute Care Hospitals · Nampa, IDOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NAMPA, ID 83686
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 Joseph Mortensen's NPI number?
The NPI number for Joseph Mortensen is 1942461850. It was assigned to this individual provider in the NPPES registry on June 23, 2008.
Where is Joseph Mortensen located?
Joseph Mortensen practices at 1512 12th Ave Rd, Nampa, ID 83686. The listed phone number is (866) 263-1223.
What is Joseph Mortensen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Joseph Mortensen enrolled in Medicare?
Yes. Joseph Mortensen 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 Joseph Mortensen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Mortensen reassigns Medicare benefits to 2 organizations: Boise Anesthesia, PA (Boise, ID) and Anesthesia Associates Of Boise, P.A. (Boise, ID). 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 Joseph Mortensen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joseph Mortensen affiliated with any hospitals?
According to CMS data, Joseph Mortensen is affiliated with St Luke's Regional Medical Center and St Luke's Nampa Medical Center.
When was this NPI record last updated?
The NPPES record for Joseph Mortensen was last updated on September 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.