Active NPI
Opeyemi Ayeni, M.D
- Internal Medicine Physician
- Chesterfield, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 2019022222
- Practice address
- 15740 S Outer 40 Rd
Chesterfield, MO 63017-2004 - Phone
- (636) 735-4750
- NPI assigned
- Jul 7, 2016
- Last updated
- Feb 13, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | 2019022222 | MO | |
| Internal Medicine Physician | 207R00000X | 2019022222 | MO | Primary |
Addresses
Primary practice location
15740 S Outer 40 Rd
Chesterfield, MO 63017-2004
Mailing address
15740 S Outer 40 Rd
Chesterfield, MO 63017-2004
Phone (636) 735-4750
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: No
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Other, 2008
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Mercy Clinic Springfield Communities
Practice addresses (Care Compare)
15740 S Outer 40 Rd
Chesterfield, MO 63017-2004
Phone (636) 237-4200
448 State Hwy 248
Suite 150
Branson, MO 65616-3725
Phone (417) 336-6713
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2019022222 | MO | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mercy Clinic Springfield Communities | Internal Medicine | Current | Accepting new patients |
| Mercy Aco Clinical Services Inc | Hospitalist | Current | Accepting new patients |
| Mercy Clinic Springfield Communities | Current | Accepting new patients | |
| Mercy Clinic Springfield Communities | Internal Medicine | Current | Accepting new patients |
| Mercy Hospital Springfield | Past | Accepting new patients | |
| Ozarks Medical Center | Past | Accepting new patients |
Locations
448 State Highway 248
Ste 150
Branson, MO 65616
Phone (417) 336-6713
15740 South Outer 40 Rd
Chesterfield, MO 63017
Phone (636) 735-4268
1605 Martin Springs Dr
Rolla, MO 65401
Phone (573) 458-6379
2115 S Fremont Ave
Ste 3050
Springfield, MO 65804
Phone (417) 820-3905
1235 E Cherokee St
Springfield, MO 65804
Phone (417) 820-2115
Interoperability endpoints
- opeyemi.ayeni.1@18107.direct.athenahealth.com
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Family Medicine Physician
- Springfield, MO
- NPI 1245277631
Internal Medicine
-
dba Mercy Clinic Family Medicine-Willow Springs
- Rural Health Clinic/Center
- Willow Springs, MO
- NPI 1972771657
-
- Family Medicine Physician
- Hollister, MO
- NPI 1053350454
Internal Medicine
-
- General Acute Care Hospital
- Springfield, MO
- NPI 1578504056
-
dba Ozarks Healthcare
- General Acute Care Hospital
- West Plains, MO
- NPI 1831115641
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Mercy Life Line
- Air Ambulance
- Branson West, MO
- NPI 1144430760
Hospital
-
dba Mercy Emergency Medical Services-Mt. Vernon
- Land Ambulance
- Mount Vernon, MO
- NPI 1427279173
Hospital
-
dba Mercy Emergency Medical Services-Camden County
- Land Ambulance
- Camdenton, MO
- NPI 1477765204
Hospital
-
dba Mercy Emergency Medical Services-Shannon County
- Land Ambulance
- Winona, MO
- NPI 1538380654
Hospital
-
dba Mercy Emergency Medical Services-Cedar County
- Land Ambulance
- Stockton, MO
- NPI 1558573386
Hospital
-
dba Mercy Emergency Medical Services
- Land Ambulance
- Springfield, MO
- NPI 1558573410
Hospital
-
- General Acute Care Hospital
- Springfield, MO
- NPI 1578504056
-
dba Mercy Emergency Medical Services-Mt. View-Summersville
- Land Ambulance
- Mountain View, MO
- NPI 1639204308
Hospital
-
dba Mercy Emergency Medical Services-Carroll County
- Land Ambulance
- Green Forest, AR
- NPI 1477756609
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1467849600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1739404800000",
"number": "1831541325",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15740 S OUTER 40 RD",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630172004",
"telephone_number": "636-735-4750"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "15740 S OUTER 40 RD",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630172004",
"telephone_number": "636-735-4750"
}
],
"practiceLocations": [],
"basic": {
"last_name": "AYENI",
"first_name": "OPEYEMI",
"name_prefix": "Dr.",
"credential": "M.D",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2016-07-07",
"last_updated": "2025-02-13",
"certification_date": "2025-02-13",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "MO",
"license": "2019022222",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MO",
"license": "2019022222",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
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Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 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.