MEHRDAD JOHN SEHI MD
NPI 1407801442
Radiology - Diagnostic Radiology in Saint Louis, MO
About Mehrdad John Sehi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEHRDAD JOHN SEHI MD (NPI 1407801442) is an individual diagnostic radiology provider in Saint Louis, Missouri, licensed in Illinois (36111642) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Mehrdad John Sehi 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 Mehrdad Sehi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Saint Louis, MO 63139
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Ssm Cardinal Glennon Children's Hospital
- 414 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 32 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 36
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital -Centralia
Acute Care Hospitals · Centralia, ILGood Samaritan Regional Hlth Center
Acute Care Hospitals · Mount Vernon, ILAnderson Hospital
Acute Care Hospitals · Maryville, ILSsm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOSsm Health Saint Louis University Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63104 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.
SAINT LOUIS, MO 63104
SAINT LOUIS, MO 63104
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 Mehrdad Sehi's NPI number?
The NPI number for Mehrdad Sehi is 1407801442. It was assigned to this individual provider in the NPPES registry on May 24, 2006. The provider is also known as Mehrdad Sehizadeh MD.
Where is Mehrdad Sehi located?
Mehrdad Sehi practices at 1201 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 257-2170.
What is Mehrdad Sehi's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Mehrdad Sehi enrolled in Medicare?
Yes. Mehrdad Sehi 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 Mehrdad Sehi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mehrdad Sehi reassigns Medicare benefits to 3 organizations: Ssm Health Care Group (Saint Louis, MO), Ssm Cardinal Glennon Childrens Hospital (Saint Louis, MO) and Diagnostic Imaging Associates Ltd (Chesterfield, MO). 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 Mehrdad Sehi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mehrdad Sehi accept?
Health plans from Oscar Insurance Company list Mehrdad Sehi 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.
Is Mehrdad Sehi affiliated with any hospitals?
According to CMS data, Mehrdad Sehi is affiliated with Ssm Health St Mary's Hospital -Centralia, Good Samaritan Regional Hlth Center, Anderson Hospital, Ssm Health St Mary's Hospital - St Louis and Ssm Health Saint Louis University Hospital.
When was this NPI record last updated?
The NPPES record for Mehrdad Sehi was last updated on October 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.