MR. MARK ALLEN STEVENSON CRNA
NPI 1659348233
Nurse Anesthetist, Certified Registered in Boise, ID
About Mr. Mark Allen Stevenson Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK ALLEN STEVENSON CRNA (NPI 1659348233) is an individual nurse anesthetist, certified registered in Boise, Idaho, licensed in Idaho (N-26984) and active in the NPI registry since March 2006. He is affiliated with Saint Alphonsus Regional Medical Center, maintains 2 additional practice locations, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Mr. Mark Allen Stevenson Crna 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
3Medicare enrollment records show Mark Stevenson reassigns Medicare billing to 3 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
- 71 clinicians in this Medicare group
Boise, ID 83706
- Reassigned Medicare billing, Idaho enrollment
- 188 clinicians in this Medicare group
Boise, ID 83716
- Reassigned Medicare billing, Idaho enrollment
- 8 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Alphonsus Regional Medical Center
Acute Care Hospitals · Boise, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83706 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOISE, ID 83706
BOISE, ID 83706
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 Mark Stevenson's NPI number?
The NPI number for Mark Stevenson is 1659348233. It was assigned to this individual provider in the NPPES registry on March 2, 2006.
Where is Mark Stevenson located?
Mark Stevenson practices at 1055 N Curtis Rd, Boise, ID 83706. The listed phone number is (208) 367-6416.
What is Mark Stevenson's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mark Stevenson enrolled in Medicare?
Yes. Mark Stevenson 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 Mark Stevenson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Stevenson reassigns Medicare benefits to 3 organizations: Boise Anesthesia, P A (Boise, ID), St Alphonsus Professional Medical Services LLC (Boise, ID) and Elaine Key MD PLLC (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 Mark Stevenson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Stevenson affiliated with any hospitals?
According to CMS data, Mark Stevenson is affiliated with Saint Alphonsus Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Stevenson was last updated on October 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mr. Mark Allen Stevenson, CRNA · NPI 1659348233
Nurse Anesthetist, Certified Registered physician in Boise, Idaho. Individual provider, active in the CMS NPPES registry since March 2, 2006.
## Identity
- **NPI:** 1659348233 (Entity type: Individual)
- **Enumerated:** March 2, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** N-26984 (Idaho)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1055 N CURTIS RD, Boise, ID 83706-1309
- **Phone:** (208) 367-6416 · **Fax:** (208) 367-2742
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Boise Anesthesia, P A (NPI 1487602298, Boise, ID); St Alphonsus Professional Medical Services LLC (NPI 1386677524, Boise, ID); Elaine Key MD PLLC (NPI 1245680099, Boise, ID) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** October 25, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1659348233) · Data from the CMS NPPES public registry.