DENIZ ATILGAN MD
NPI 1699486936
Psychiatry & Neurology - Epilepsy
in Saint Louis, MO
About Deniz Atilgan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENIZ ATILGAN MD (NPI 1699486936) is an individual epilepsy provider in Saint Louis, Missouri, licensed in Missouri (2024039222) and active in the NPI registry since December 2022. He is enrolled in Medicare PECOS, is affiliated with Ssm Health Saint Louis University Hospital, and maintains a secondary practice location in Houston.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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
Deniz Atilgan 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 Reassignment
Medicare enrollment records show Deniz Atilgan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health Saint Louis University Hospital
Acute Care Hospitals · Saint Louis, MOOther 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
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 Deniz Atilgan's NPI number?
The NPI number for Deniz Atilgan is 1699486936. It was assigned to this individual provider in the NPPES registry on December 7, 2022.
Where is Deniz Atilgan located?
Deniz Atilgan practices at 1438 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 617-2000.
What is Deniz Atilgan's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.
Is Deniz Atilgan enrolled in Medicare?
Yes. Deniz Atilgan 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 Deniz Atilgan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deniz Atilgan reassigns Medicare benefits to Ssm Health Care Group (Saint Louis, MO). 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 Deniz Atilgan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Deniz Atilgan accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Deniz Atilgan 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 Deniz Atilgan affiliated with any hospitals?
According to CMS data, Deniz Atilgan is affiliated with Ssm Health Saint Louis University Hospital.
When was this NPI record last updated?
The NPPES record for Deniz Atilgan was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Deniz Atilgan, MD · NPI 1699486936
Epilepsy physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since December 7, 2022.
## Identity
- **NPI:** 1699486936 (Entity type: Individual)
- **Enumerated:** December 7, 2022
- **Primary specialty:** Psychiatry & Neurology - Epilepsy · taxonomy 2084E0001X
- **State license:** 2024039222 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1438 S GRAND BLVD, Saint Louis, MO 63104-1027
- **Phone:** (314) 617-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ssm Health Care Group (NPI 1306589544, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** August 6, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1699486936) · Data from the CMS NPPES public registry.