DR. MARION LOUISE SULLIVAN MD
NPI 1962493692
Emergency Medicine in Phoenix, AZ
About Dr. Marion Louise Sullivan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARION LOUISE SULLIVAN MD (NPI 1962493692) is an individual emergency medicine provider in Phoenix, Arizona, licensed in Arizona (17124) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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. Marion Louise Sullivan 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
3Medicare enrollment records show Marion Sullivan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85015
- Reassigned Medicare billing, Arizona enrollment
- 260 clinicians in this Medicare group
Gilbert, AZ 85296
- Reassigned Medicare billing, Arizona enrollment
- 263 clinicians in this Medicare group
Globe, AZ 85501
- Reassigned Medicare billing, Arizona enrollment
- 17 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 4
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 85015 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.
PHOENIX, AZ 85015
PHOENIX, AZ 85015
PHOENIX, AZ 85015
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 Marion Sullivan's NPI number?
The NPI number for Marion Sullivan is 1962493692. It was assigned to this individual provider in the NPPES registry on November 2, 2005.
Where is Marion Sullivan located?
Marion Sullivan practices at 2000 W Bethany Home Rd, Phoenix, AZ 85015. The listed phone number is (602) 299-0212.
What is Marion Sullivan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marion Sullivan enrolled in Medicare?
Yes. Marion Sullivan 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 Marion Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marion Sullivan reassigns Medicare benefits to 3 organizations: Emergency Group Of Arizona Professional Corporation (Phoenix, AZ), Tec Emergency Physicians Of Arizona, LLC (Gilbert, AZ) and Cobre Valley Emergency Services, LLC (Globe, 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 Marion Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marion Sullivan accept?
Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and Taro Health list Marion Sullivan 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 Marion Sullivan was last updated on November 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.