RYAN S COOK APRN
NPI 1720478548
Nurse Practitioner - Family in Fairfield, OH
About Ryan S Cook Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN S COOK APRN (NPI 1720478548) is an individual family provider in Fairfield, Ohio, licensed in Ohio (APRN.CNP.19092) and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS, is affiliated with Trinity Regional Medical Center, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Ryan S Cook Aprn 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 Ryan Cook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Blue Ash, OH 45242
- Reassigned Medicare billing, Ohio enrollment
- 481 clinicians in this Medicare group
Miamisburg, OH 45342
- Reassigned Medicare billing, Ohio enrollment
- 984 clinicians in this Medicare group
Webster City, IA 50595
- Reassigned Medicare billing, Iowa enrollment
- 387 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 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trinity Regional Medical Center
Acute Care Hospitals · Fort Dodge, IAMercy Health - Fairfield Hospital
Acute Care Hospitals · Fairfield, OHMercy Health - West Hospital
Acute Care Hospitals · Cincinnati, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45014 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFIELD, OH 45014
FAIRFIELD, OH 45014
FAIRFIELD, OH 45014
FAIRFIELD, OH 45014
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 Ryan Cook's NPI number?
The NPI number for Ryan Cook is 1720478548. It was assigned to this individual provider in the NPPES registry on February 1, 2015.
Where is Ryan Cook located?
Ryan Cook practices at 3000 Mack Rd Ste 100, Fairfield, OH 45014. The listed phone number is (513) 751-4222.
What is Ryan Cook's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Ryan Cook enrolled in Medicare?
Yes. Ryan Cook 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 Ryan Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Cook reassigns Medicare benefits to 3 organizations: Mercy Health Physicians Cincinnati Specialty Care LLC (Blue Ash, OH), Kettering Independent Medical Group Inc (Miamisburg, OH) and Trinity Regional Medical Center (Webster City, IA). 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 Ryan Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Cook accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual, Molina Healthcare and Oscar Health Insurance and 1 other insurer list Ryan Cook 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 Ryan Cook affiliated with any hospitals?
According to CMS data, Ryan Cook is affiliated with Trinity Regional Medical Center, Mercy Health - Fairfield Hospital and Mercy Health - West Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Cook was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Ryan S Cook, APRN · NPI 1720478548
Family physician in Fairfield, Ohio. Individual provider, active in the CMS NPPES registry since February 1, 2015.
## Identity
- **NPI:** 1720478548 (Entity type: Individual)
- **Enumerated:** February 1, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** APRN.CNP.19092 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 3000 MACK RD STE 100, Fairfield, OH 45014-5335
- **Phone:** (513) 751-4222 · **Fax:** (513) 874-3023
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mercy Health Physicians Cincinnati Specialty Care LLC (NPI 1154942795, Blue Ash, OH); Kettering Independent Medical Group Inc (NPI 1629387865, Miamisburg, OH); Trinity Regional Medical Center (NPI 1568650174, Webster City, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** February 23, 2026
- **Other identifiers:** Other 000000916710 (KY); Other 171432 (KY); Medicaid 7100338960 (KY)
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Source: [NPI Profile](https://npiprofile.com/npi/1720478548) · Data from the CMS NPPES public registry.