DR. MARIEL STROSCHEIN M.D.
NPI 1639135296
Otolaryngology in Phoenix, AZ
About Dr. Mariel Stroschein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIEL STROSCHEIN M.D. (NPI 1639135296) is an individual otolaryngology provider in Phoenix, Arizona, licensed in Arizona (18665) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Mariel Stroschein M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mariel Stroschein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85016
- Reassigned Medicare billing, Texas enrollment
- 599 clinicians in this Medicare group
Phoenix, AZ 85008
- Reassigned Medicare billing, Arizona enrollment
- 1,490 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 85016 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.
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 Mariel Stroschein's NPI number?
The NPI number for Mariel Stroschein is 1639135296. It was assigned to this individual provider in the NPPES registry on April 24, 2006.
Where is Mariel Stroschein located?
Mariel Stroschein practices at 4212 N 16th St, Phoenix, AZ 85016. The listed phone number is (602) 263-1200.
What is Mariel Stroschein's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Mariel Stroschein enrolled in Medicare?
Yes. Mariel Stroschein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mariel Stroschein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariel Stroschein reassigns Medicare benefits to 2 organizations: Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (Phoenix, AZ) and District Medical Group, Inc (Phoenix, 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 Mariel Stroschein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mariel Stroschein was last updated on July 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.