MARJAN SIADAT MD
NPI 1316110844
Emergency Medicine in Detroit, MI
About Marjan Siadat Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARJAN SIADAT MD (NPI 1316110844) is an individual emergency medicine provider in Detroit, Michigan, licensed in Michigan (4301090688) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marjan Siadat Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marjan Siadat reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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
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 48201 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.
DETROIT, MI 48201
DETROIT, MI 48201
DETROIT, MI 48201
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 Marjan Siadat's NPI number?
The NPI number for Marjan Siadat is 1316110844. It was assigned to this individual provider in the NPPES registry on April 4, 2008.
Where is Marjan Siadat located?
Marjan Siadat practices at 4201 Saint Antoine St, Detroit, MI 48201. The listed phone number is (313) 745-0203.
What is Marjan Siadat's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marjan Siadat enrolled in Medicare?
Yes. Marjan Siadat is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marjan Siadat's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marjan Siadat reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Marjan Siadat'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 Marjan Siadat was last updated on February 11, 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.