MARK TODD MARIAS MD
NPI 1649241340
Anesthesiology in Phoenix, AZ
About Mark Todd Marias Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK TODD MARIAS MD (NPI 1649241340) is an individual anesthesiology provider in Phoenix, Arizona, licensed in Arizona (30459) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Little Rock.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Todd Marias Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Mark Marias reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85008
- Reassigned Medicare billing, Arizona enrollment
- 1,490 clinicians in this Medicare group
Gilbert, AZ 85234
- Reassigned Medicare billing, Arizona enrollment
- 1,081 clinicians in this Medicare group
Fayetteville, AR 72703
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1407021280 (Arkansas)
- 2,038 clinicians in this Medicare group
Little Rock, AR 72202
- Reassigned Medicare billing, Arkansas enrollment
- 944 clinicians in this Medicare group
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 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.
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.
Reported Quality Measures
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.
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 Marias's NPI number?
The NPI number for Mark Marias is 1649241340. It was assigned to this individual provider in the NPPES registry on January 30, 2006.
Where is Mark Marias located?
Mark Marias practices at 1850 N Central Ave Suite 1600, Phoenix, AZ 85004. The listed phone number is (602) 744-4765.
What is Mark Marias's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Marias enrolled in Medicare?
Yes. Mark Marias is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Marias's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Marias reassigns Medicare benefits to 5 organizations: District Medical Group, Inc (Phoenix, AZ), Banner Hospital Based Physicians Arizona LLC (Gilbert, AZ), University Of Arkansas For Medical Sciences (Fayetteville, AR), Arkansas Childrens Hospital (Little Rock, AR) and University Hospitals Medical Group Inc (Cleveland, OH). 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 Marias's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Marias accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, Health Advantage and Octave and 1 other insurer list Mark Marias 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 Marias was last updated on September 19, 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.