DR. MARK C. FEINSTEIN D.O.
NPI 1033176755
Psychiatry & Neurology - Psychiatry in Scottsdale, AZ
About Dr. Mark C. Feinstein D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK C. FEINSTEIN D.O. (NPI 1033176755) is an individual psychiatry provider in Scottsdale, Arizona, licensed in Arizona (006223) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
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 (PECOS)
Dr. Mark C. Feinstein D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mark Feinstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anderson, SC 29621
- Reassigned Medicare billing, South Carolina enrollment
- 236 clinicians in this Medicare group
West Columbia, SC 29169
- Reassigned Medicare billing, South Carolina 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85254 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Feinstein's NPI number?
The NPI number for Mark Feinstein is 1033176755. It was assigned to this individual provider in the NPPES registry on April 27, 2006.
Where is Mark Feinstein located?
Mark Feinstein practices at 6501 E Greenway Pkwy # 103-468, Scottsdale, AZ 85254. The listed phone number is (480) 695-8600.
What is Mark Feinstein's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mark Feinstein enrolled in Medicare?
Yes. Mark Feinstein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Feinstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Feinstein reassigns Medicare benefits to 2 organizations: South Carolina Dept Of Mental Health Accounting Office (Anderson, SC) and Carolina Psychiatric Services, Inc (West Columbia, SC). 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 Feinstein'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 Mark Feinstein was last updated on November 4, 2022. 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.