AMBER GARRETSON APRN, CNS
NPI 1457812752
Clinical Nurse Specialist - Gerontology in Oklahoma City, OK
About Amber Garretson Aprn, Cns NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBER GARRETSON APRN, CNS (NPI 1457812752) is an individual gerontology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (R0119887) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and is a graduate of Other (2019).
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
Amber Garretson Aprn, Cns 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
9Medicare enrollment records show Amber Garretson reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73112
- Reassigned Medicare billing, Oklahoma enrollment
- 113 clinicians in this Medicare group
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 1,795 clinicians in this Medicare group
Edmond, OK 73013
- Reassigned Medicare billing, Oklahoma enrollment
- 72 clinicians in this Medicare group
Edmond, OK 73013
- Reassigned Medicare billing, Oklahoma enrollment
- 55 clinicians in this Medicare group
Edmond, OK 73013
- Reassigned Medicare billing, Oklahoma enrollment
- 53 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 48 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 210 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Oklahoma enrollment
- 238 clinicians in this Medicare group
Creve Coeur, MO 63141
- Reassigned Medicare billing, Arkansas and Illinois enrollments
- 7 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hillcrest Medical Center
Acute Care Hospitals · Tulsa, OKSsm Health St Anthony Hospital - Midwest
Acute Care Hospitals · Midwest City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73112 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73112
OKLAHOMA CITY, OK 73112
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 Amber Garretson's NPI number?
The NPI number for Amber Garretson is 1457812752. It was assigned to this individual provider in the NPPES registry on March 28, 2019.
Where is Amber Garretson located?
Amber Garretson practices at 5600 N May Ave Ste 310, Oklahoma City, OK 73112. The listed phone number is (855) 229-2211.
What is Amber Garretson's specialty?
The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Gerontology, with taxonomy code 364SG0600X.
Is Amber Garretson enrolled in Medicare?
Yes. Amber Garretson 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 Amber Garretson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Garretson reassigns Medicare benefits to 9 organizations: Integris Cardiovascular Physicians LLC (Oklahoma City, OK), Ou Health Partners, Inc (Oklahoma City, OK), Optimum Care Hospitalist Group PLLC (Edmond, OK), Optimum Post Acute Care PLLC (Edmond, OK), Optimum Primary Care PLLC (Edmond, OK) and 4 more organizations, listed in the Medicare section above. 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 Amber Garretson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amber Garretson accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Amber Garretson 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 Amber Garretson affiliated with any hospitals?
According to CMS data, Amber Garretson is affiliated with Hillcrest Medical Center and Ssm Health St Anthony Hospital - Midwest.
When was this NPI record last updated?
The NPPES record for Amber Garretson was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Amber Garretson, APRN, CNS · NPI 1457812752
Gerontology physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since March 28, 2019.
## Identity
- **NPI:** 1457812752 (Entity type: Individual)
- **Enumerated:** March 28, 2019
- **Primary specialty:** Clinical Nurse Specialist - Gerontology · taxonomy 364SG0600X
- **State license:** R0119887 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 5600 N MAY AVE STE 310, Oklahoma City, OK 73112-4291
- **Phone:** (855) 229-2211 · **Fax:** (844) 527-9397
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Integris Cardiovascular Physicians LLC (NPI 1306129598, Oklahoma City, OK); Ou Health Partners, Inc (NPI 1528642642, Oklahoma City, OK); Optimum Care Hospitalist Group PLLC (NPI 1306396577, Edmond, OK); Optimum Post Acute Care PLLC (NPI 1225774227, Edmond, OK); Optimum Primary Care PLLC (NPI 1760030399, Edmond, OK); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** March 31, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1457812752) · Data from the CMS NPPES public registry.