RAMONA JUANITA BAKER APRN
NPI 1659034221
Nurse Practitioner - Acute Care in Ada, OK
About Ramona Juanita Baker Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAMONA JUANITA BAKER APRN (NPI 1659034221) is an individual acute care provider in Ada, Oklahoma, licensed in Oklahoma (204938) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS, is affiliated with Chickasaw Nation Medical Center, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Ramona Juanita Baker 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
2Medicare enrollment records show Ramona Baker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ada, OK 74820
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Chickasaw Nation Division Of Health Chickasaw Nation Medical Center
- 324 clinicians in this Medicare group
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chickasaw Nation Medical Center
Acute Care Hospitals · Ada, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74820 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ramona Baker's NPI number?
The NPI number for Ramona Baker is 1659034221. It was assigned to this individual provider in the NPPES registry on October 20, 2021.
Where is Ramona Baker located?
Ramona Baker practices at 1921 Stonecipher Blvd, Ada, OK 74820. The listed phone number is (580) 436-3980.
What is Ramona Baker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Ramona Baker enrolled in Medicare?
Yes. Ramona Baker 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 Ramona Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ramona Baker reassigns Medicare benefits to 2 organizations: Chickasaw Nation Division Of Health (Ada, OK) and Mercy Clinic Oklahoma Communities (Oklahoma City, OK). 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 Ramona Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ramona Baker accept?
Health plans from Oscar Insurance Company and UnitedHealthcare list Ramona Baker 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 Ramona Baker affiliated with any hospitals?
According to CMS data, Ramona Baker is affiliated with Chickasaw Nation Medical Center.
When was this NPI record last updated?
The NPPES record for Ramona Baker was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Ramona Juanita Baker, APRN · NPI 1659034221
Acute Care physician in Ada, Oklahoma. Individual provider, active in the CMS NPPES registry since October 20, 2021.
## Identity
- **NPI:** 1659034221 (Entity type: Individual)
- **Enumerated:** October 20, 2021
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 204938 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1921 STONECIPHER BLVD, Ada, OK 74820-3439
- **Phone:** (580) 436-3980
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Chickasaw Nation Division Of Health (NPI 1255364923, Ada, OK); Mercy Clinic Oklahoma Communities (NPI 1386874550, Oklahoma City, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1659034221) · Data from the CMS NPPES public registry.