Active NPI
Ilya Seleznev, MD
- Hospitalist Physician
- Saint Louis, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- 2025016160
- Practice address
- 6420 Clayton Rd
Saint Louis, MO 63117-1811 - Phone
- (315) 768-8778
- NPI assigned
- May 2, 2022
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Internal Medicine Physician | 207R00000X | 2025016160 | MO | |
| Hospitalist Physician | 208M00000X | 2025016160 | MO | Primary |
Addresses
Primary practice location
6420 Clayton Rd
Saint Louis, MO 63117-1811
Mailing address
6420 Clayton Rd
Saint Louis, MO 63117-1811
Phone (314) 768-8622
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1201 S Grand Blvd
Saint Louis, MO 63104-1016
Phone (314) 617-2000
Hospital & facility affiliations
- SSM Health St Mary'S Hospital - St Louis
- SSM Health Saint Louis University Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| SSM Health Care Group | Internal Medicine | Current | Accepting new patients |
| SSM Health Care Group | Current | Accepting new patients | |
| SSM Health Care St. Louis | Past | Accepting new patients |
Locations
6420 Clayton Rd
Saint Louis, MO 63117
Phone (314) 768-8442
1201 S Grand Blvd
Saint Louis, MO 63104
Phone (314) 257-8222
10101 Woodfield Ln
Saint Louis, MO 63132
Phone (608) 280-4647
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Saint Louis, MO
- NPI 1306589544
-
- Dermatopathology Physician
- Saint Louis, MO
- NPI 1932844495
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1962572396
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1336387836
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1962572396
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1942685920
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1651449600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750291200000",
"number": "1346985538",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6420 CLAYTON RD",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631171811",
"telephone_number": "314-768-8622"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6420 CLAYTON RD",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631171811",
"telephone_number": "315-768-8778"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SELEZNEV",
"first_name": "ILYA",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-05-02",
"last_updated": "2025-06-19",
"certification_date": "2025-06-19",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MO",
"license": "2025016160",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "MO",
"license": "2025016160",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Saint Louis, MO
- Select Physical Therapy Holdings Inc
- Select Physical Therapy of St Louis Limited Partnership
- Select Physical Therapy of St Louis Limited Partnership
- Select Physical Therapy of St Louis Limited Partnership
- Melinda Seley, LPC
- Emily Selhime
- John B Selhorst, MD
- Seliga Shoe Stores Inc
- Elizabeth A Seliga, FNP
- Asmir Selimovic, CAA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.