MARCIA L SISTEK M.D.
NPI 1477543486
Family Medicine in Scottsdale, AZ
About Marcia L Sistek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARCIA L SISTEK M.D. (NPI 1477543486) is an individual family medicine provider in Scottsdale, Arizona, licensed in Arizona (22864) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Marcia L Sistek 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 Reassignment
Medicare enrollment records show Marcia Sistek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Scottsdale, AZ 85258
- Reassigned Medicare billing, Arizona enrollment
- 5 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 22
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 85258 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SCOTTSDALE, AZ 85258
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 Marcia Sistek's NPI number?
The NPI number for Marcia Sistek is 1477543486. It was assigned to this individual provider in the NPPES registry on October 21, 2005.
Where is Marcia Sistek located?
Marcia Sistek practices at 9755 N 90th St Suite C-200, Scottsdale, AZ 85258. The listed phone number is (480) 661-1755.
What is Marcia Sistek's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Marcia Sistek enrolled in Medicare?
Yes. Marcia Sistek 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 organization bills Medicare for Marcia Sistek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcia Sistek reassigns Medicare benefits to Scottsdale Family Physicians PLLC (Scottsdale, AZ). The 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 Marcia Sistek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marcia Sistek accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Oscar Health Plan, Inc. and UnitedHealthcare list Marcia Sistek 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 Marcia Sistek was last updated on March 5, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.