MARK JOSEPH JOHNSON M.D.
NPI 1881953578
Anesthesiology in Tucson, AZ
About Mark Joseph Johnson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK JOSEPH JOHNSON M.D. (NPI 1881953578) is an individual anesthesiology provider in Tucson, Arizona, licensed in Arizona (53668) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Winston Salem, and is a graduate of University Of Texas Medical School At San Antonio (2012).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mark Joseph Johnson 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
3Medicare enrollment records show Mark Johnson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 264 clinicians in this Medicare group
Tucson, AZ 85711
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Tucson, AZ 85741
- Reassigned Medicare billing, Arizona enrollment
- 664 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.
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 Johnson's NPI number?
The NPI number for Mark Johnson is 1881953578. It was assigned to this individual provider in the NPPES registry on May 15, 2012.
Where is Mark Johnson located?
Mark Johnson practices at 2810 N Swan Rd Ste 1002810N, Tucson, AZ 85712. The listed phone number is (520) 324-2030.
What is Mark Johnson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Johnson enrolled in Medicare?
Yes. Mark Johnson 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 Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Johnson reassigns Medicare benefits to 3 organizations: Ias Arizona PLLC (Tucson, AZ), Banner-University Medical Group (Tucson, AZ) and Northwest Hbp Medical Services LLC (Tucson, 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 Mark Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Johnson accept?
Health plans from Blue Cross Blue Shield of Arizona list Mark Johnson 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 Mark Johnson was last updated on July 21, 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.