DR. HANNAH MACKENZIE EASLEY DO
NPI 1700469053
Emergency Medicine in Oklahoma City, OK
About Dr. Hannah Mackenzie Easley Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HANNAH MACKENZIE EASLEY DO (NPI 1700469053) is an individual emergency medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (8048) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Dr. Hannah Mackenzie Easley Do 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
7Medicare enrollment records show Hannah Easley reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73102
- Reassigned Medicare billing, Oklahoma enrollment
- Medicare enrollment name: Emergency Physicians Of Mid-America PC
- 310 clinicians in this Medicare group
Norman, OK 73071
- Reassigned Medicare billing, Oklahoma enrollment
- 418 clinicians in this Medicare group
Purcell, OK 73080
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Chickasaw Nation Division Of Health Chickasaw Nation Medical Center
- 324 clinicians in this Medicare group
Stillwater, OK 74074
- Reassigned Medicare billing, Oklahoma enrollment
- 298 clinicians in this Medicare group
Okemah, OK 74859
- Reassigned Medicare billing, Texas enrollment
- 655 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 162 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 263 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Integris Baptist Medical Center, Inc
Acute Care Hospitals · Oklahoma City, OKSsm Health St Anthony Hospital - Oklahoma City
Acute Care Hospitals · Oklahoma City, OKHillcrest Hospital Cushing
Acute Care Hospitals · Cushing, OKIntegris Southwest Medical Center
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
OKLAHOMA CITY, OK 73109
OKLAHOMA CITY, OK 73109
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 Hannah Easley's NPI number?
The NPI number for Hannah Easley is 1700469053. It was assigned to this individual provider in the NPPES registry on May 4, 2021. The provider is also known as Ms. Hannah Mackenzie Easley Casper.
Where is Hannah Easley located?
Hannah Easley practices at 4401 S Western Ave, Oklahoma City, OK 73109. The listed phone number is (405) 636-7000.
What is Hannah Easley's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Hannah Easley enrolled in Medicare?
Yes. Hannah Easley 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 Hannah Easley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Easley reassigns Medicare benefits to 7 organizations: Emergency Physicians Of Mid-America, P.C. (Oklahoma City, OK), Emergency Services Of Oklahoma PC (Norman, OK), Chickasaw Nation Division Of Health (Purcell, OK), South Central Emergency Services PC (Stillwater, OK), Creek Nation Hospital & Clinics (Okemah, OK) and 2 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 Hannah Easley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hannah Easley accept?
Health plans from Oscar Insurance Company list Hannah Easley 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 Hannah Easley affiliated with any hospitals?
According to CMS data, Hannah Easley is affiliated with Integris Baptist Medical Center, Inc, Ssm Health St Anthony Hospital - Oklahoma City, Hillcrest Hospital Cushing and Integris Southwest Medical Center.
When was this NPI record last updated?
The NPPES record for Hannah Easley was last updated on January 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Dr. Hannah Mackenzie Easley, DO · NPI 1700469053
Emergency Medicine physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since May 4, 2021.
## Identity
- **NPI:** 1700469053 (Entity type: Individual)
- **Enumerated:** May 4, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 8048 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4401 S WESTERN AVE, Oklahoma City, OK 73109-3413
- **Phone:** (405) 636-7000
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Emergency Physicians Of Mid-America, P.C. (NPI 1063825297, Oklahoma City, OK); Emergency Services Of Oklahoma PC (NPI 1215249891, Norman, OK); Chickasaw Nation Division Of Health (NPI 1982764395, Purcell, OK); South Central Emergency Services PC (NPI 1558663724, Stillwater, OK); Creek Nation Hospital & Clinics (NPI 1467053173, Okemah, OK); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 2022
## Record status
- **NPPES last updated:** January 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1700469053) · Data from the CMS NPPES public registry.