GRADY MEMORIAL HOSPITAL
NPI 1659302115
Clinic/Center in Chickasha, OK
About Grady Memorial Hospital NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRADY MEMORIAL HOSPITAL (NPI 1659302115), doing business as Five Oaks Medical Group, is a healthcare organization registered as a clinic/center in Chickasha, Oklahoma and active in the NPI registry since July 2006. The organization lists Steve Pautler, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Grady Memorial Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
97Medicare enrollment records show 97 clinicians reassign Medicare billing to Grady Memorial Hospital, which bills Medicare for the services they deliver. Of these, 13 practice at this address and 24 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 18
Nearest to this location (20)
See all 97Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Grady Memorial Hospital's NPI number?
The NPI number for Grady Memorial Hospital is 1659302115. It was assigned to this organization in the NPPES registry on July 5, 2006. The provider is doing business as Five Oaks Medical Group.
Where is Grady Memorial Hospital located?
Grady Memorial Hospital is located at 2100 W Iowa Ave, Chickasha, OK 73018. The listed phone number is (405) 224-2100.
What is Grady Memorial Hospital's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Grady Memorial Hospital enrolled in Medicare?
Yes. Grady Memorial Hospital is registered in the Medicare PECOS enrollment system.
When is Grady Memorial Hospital's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Oklahoma, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Grady Memorial Hospital?
According to the CMS Revalidation Reassignment List (October 2026 release), 97 clinicians in 18 Medicare specialties reassign their Medicare billing to Grady Memorial Hospital. A 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 the clinician's services. The largest specialties are Emergency Medicine (37), Certified Registered Nurse Anesthetist (CRNA) (11) and Diagnostic Radiology (10). Of these, 13 practice at this address and 24 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Grady Memorial Hospital was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Grady Memorial Hospital · NPI 1659302115
Clinic/Center organization in Chickasha, Oklahoma. Organization record, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1659302115 (Entity type: Organization)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Also known as:** Five Oaks Medical Group (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Steve Pautler, CEO
## Practice location
- **Address:** 2100 W IOWA AVE, Chickasha, OK 73018-2736
- **Phone:** (405) 224-2100 · **Fax:** (405) 779-2346
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, Oklahoma, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 97 clinicians in 18 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (37), Certified Registered Nurse Anesthetist (CRNA) (11), Diagnostic Radiology (10); 13 practice at this address and 24 within 10 miles; [full list](https://npiprofile.com/npi/1659302115/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 6, 2026
- **Other identifiers:** Medicaid 100700820E (OK)
---
Source: [NPI Profile](https://npiprofile.com/npi/1659302115) · Data from the CMS NPPES public registry.