Active NPI
Ryan A Cook, PA
- Physician Assistant
- Topeka, KS
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 15-01703
- Practice address
- 4505 NW Fielding Rd
Topeka, KS 66618-2651 - Phone
- (785) 270-0080
- NPI assigned
- Jun 21, 2014
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 15-01703 | KS | Primary |
Addresses
Primary practice location
4505 NW Fielding Rd
Topeka, KS 66618-2651
Mailing address
4505 NW Fielding Rd
Topeka, KS 66618-2651
Phone (785) 270-0080
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | rcook44307@stormontvaildirect.org | Direct | COTTON O'NEIL CLINIC REVOCABLE TRUST |
| Direct Messaging Address | rcook44307@stormontvaildirect.org | Direct | STORMONT-VAIL HEALTHCARE INC |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in KS
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20150923002590 | KS | Practitioner - Physician Assistant | 9830167196 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Cotton-O'Neil Clinic Revocable Trust
Practice addresses (Care Compare)
1414 SW 8TH Ave
Topeka, KS 66606-1535
Phone (785) 354-5300
2902 SW Asbury Dr
Topeka, KS 66614-4466
Phone (785) 354-9591
2909 SE Walnut Dr
Topeka, KS 66605-2189
Phone (785) 267-0744
4505 NW Fielding Rd
Topeka, KS 66618-2651
Phone (785) 354-9591
901 SW Garfield Ave
Topeka, KS 66606-1670
Phone (785) 354-9591
909 SW Mulvane St
Topeka, KS 66606-1677
Phone (785) 270-4613
929 SW Mulvane St
Topeka, KS 66606-1677
Phone (785) 354-6242
Hospital & facility affiliations
- Stormont Vail Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cotton-O'Neil Clinic Revocable Trust | Current | Accepting new patients | |
| Cotton-O'Neil Clinic Revocable Trust | Current | Accepting new patients |
Locations
901 SW Garfield Ave
Topeka, KS 66606
4505 NW Fielding Rd
Topeka, KS 66618
Phone (785) 270-0047
1500 SW 10th Ave
Topeka, KS 66604
Phone (785) 354-5242
Organizations & group practices 2
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.
-
- Durable Medical Equipment & Medical Supplies
- Topeka, KS
- NPI 1700076015
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1403308800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757030400000",
"number": "1982019659",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4505 NW FIELDING RD",
"city": "TOPEKA",
"state": "KS",
"postal_code": "666182651",
"telephone_number": "785-270-0080"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4505 NW FIELDING RD",
"city": "TOPEKA",
"state": "KS",
"postal_code": "666182651",
"telephone_number": "785-270-0080"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COOK",
"first_name": "RYAN",
"middle_name": "A",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2014-06-21",
"last_updated": "2025-09-05",
"certification_date": "2025-09-05",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "KS",
"license": "15-01703",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "rcook44307@stormontvaildirect.org",
"affiliation": "Y",
"endpointDescription": "SVH Secure Messaging",
"affiliationName": "COTTON O'NEIL CLINIC REVOCABLE TRUST",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCDA",
"address_1": "4505 NW Fielding Rd",
"city": "Topeka",
"state": "KS",
"country_code": "US",
"postal_code": "666182651",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "rcook44307@stormontvaildirect.org",
"affiliation": "Y",
"endpointDescription": "SVH Secure Messaging",
"affiliationName": "STORMONT-VAIL HEALTHCARE INC",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCDA",
"address_1": "4505 NW Fielding Rd",
"city": "Topeka",
"state": "KS",
"country_code": "US",
"postal_code": "666182651",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Topeka, KS
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 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.