ERNEST TABI ABUNAW M.D.
NPI 1811558844
Psychiatry & Neurology - Psychiatry in Oklahoma City, OK
About Ernest Tabi Abunaw M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERNEST TABI ABUNAW M.D. (NPI 1811558844) is an individual psychiatry provider in Oklahoma City, Oklahoma, licensed in Texas (U8931) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Francis Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Ernest Tabi Abunaw M.d. 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
10Medicare enrollment records show Ernest Abunaw reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73107
- Reassigned Medicare billing, Oklahoma enrollment
- Medicare enrollment name: State Of Oklahoma
- 170 clinicians in this Medicare group
Oklahoma City, OK 73116
- Reassigned Medicare billing, Oklahoma enrollment
- 507 clinicians in this Medicare group
Warr Acres, OK 73132
- Reassigned Medicare billing, Oklahoma enrollment
Oklahoma City, OK 73139
- Reassigned Medicare billing, Illinois, Ohio, Oklahoma and Texas enrollments
Waco, TX 76701
- Reassigned Medicare billing, Texas enrollment
- 172 clinicians in this Medicare group
San Antonio, TX 78213
- Reassigned Medicare billing, Texas enrollment
- 210 clinicians in this Medicare group
San Antonio, TX 78212
- Reassigned Medicare billing, Texas enrollment
- 4 clinicians in this Medicare group
Missouri City, TX 77459
- Reassigned Medicare billing, Texas enrollment
- 54 clinicians in this Medicare group
Laredo, TX 78041
- Reassigned Medicare billing, Texas enrollment
- 117 clinicians in this Medicare group
Westlake Village, CA 91362
- Reassigned Medicare billing, Illinois enrollment
- 23 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 6
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.
Presence Saint Francis Hospital
Acute Care Hospitals · Evanston, ILAmita Health Resurrection Medical Center
Acute Care Hospitals · Chicago, ILSsm Health St Anthony Hospital - Oklahoma City
Acute Care Hospitals · Oklahoma City, 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 73102 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73102
OKLAHOMA CITY, OK 73102
OKLAHOMA CITY, OK 73102
OKLAHOMA CITY, OK 73102
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 Ernest Abunaw's NPI number?
The NPI number for Ernest Abunaw is 1811558844. It was assigned to this individual provider in the NPPES registry on June 20, 2019.
Where is Ernest Abunaw located?
Ernest Abunaw practices at 1000 N Lee Ave, Oklahoma City, OK 73102. The listed phone number is (405) 272-4902.
What is Ernest Abunaw's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Ernest Abunaw enrolled in Medicare?
Yes. Ernest Abunaw 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 Ernest Abunaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ernest Abunaw reassigns Medicare benefits to 10 organizations: Oklahoma County Crisis Intervention Center (Oklahoma City, OK), Saints Medical Group, LLC (Oklahoma City, OK), Miracles Counseling Services, LLC (Warr Acres, OK), Tasel Health LLC (Oklahoma City, OK), Heart Of Texas Region Mhmr Center (Waco, TX) and 5 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 Ernest Abunaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ernest Abunaw 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 10 other insurers list Ernest Abunaw 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 Ernest Abunaw affiliated with any hospitals?
According to CMS data, Ernest Abunaw is affiliated with Presence Saint Francis Hospital, Amita Health Resurrection Medical Center, Ssm Health St Anthony Hospital - Oklahoma City and Ssm Health St Anthony Hospital - Midwest.
When was this NPI record last updated?
The NPPES record for Ernest Abunaw was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.
# Ernest Tabi Abunaw, M.D. · NPI 1811558844
Psychiatry physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since June 20, 2019.
## Identity
- **NPI:** 1811558844 (Entity type: Individual)
- **Enumerated:** June 20, 2019
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** U8931 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1000 N LEE AVE, Oklahoma City, OK 73102-1036
- **Phone:** (405) 272-4902 · **Fax:** (405) 272-8536
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Oklahoma County Crisis Intervention Center (NPI 1427151521, Oklahoma City, OK); Saints Medical Group, LLC (NPI 1437195922, Oklahoma City, OK); Miracles Counseling Services, LLC (NPI 1205374980, Warr Acres, OK); Tasel Health LLC (NPI 1851035398, Oklahoma City, OK); Heart Of Texas Region Mhmr Center (NPI 1639399132, Waco, TX); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** September 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811558844) · Data from the CMS NPPES public registry.