VIVIAN OKIRIE MD
NPI 1568968501
Hospitalist in Sparks, NV
About Vivian Okirie Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIVIAN OKIRIE MD (NPI 1568968501) is an individual hospitalist provider in Sparks, Nevada, licensed in Georgia (89721) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Ascension St John Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
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
Vivian Okirie Md 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
8Medicare enrollment records show Vivian Okirie reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 300 clinicians in this Medicare group
Hiram, GA 30141
- Reassigned Medicare billing, Georgia enrollment
- 551 clinicians in this Medicare group
Marietta, GA 30066
- Reassigned Medicare billing, Georgia enrollment
- 45 clinicians in this Medicare group
Atlanta, GA 30326
- Reassigned Medicare billing, Georgia enrollment
- 131 clinicians in this Medicare group
Riverdale, GA 30274
- Reassigned Medicare billing, Georgia enrollment
- 111 clinicians in this Medicare group
Logan, WV 25601
- Reassigned Medicare billing, West Virginia enrollment
- 113 clinicians in this Medicare group
Lavonia, GA 30553
- Reassigned Medicare billing, Georgia enrollment
- 30 clinicians in this Medicare group
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 52 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 4
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.
Ascension St John Medical Center
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89434 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPARKS, NV 89434
SPARKS, NV 89434
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 Vivian Okirie's NPI number?
The NPI number for Vivian Okirie is 1568968501. It was assigned to this individual provider in the NPPES registry on March 30, 2018.
Where is Vivian Okirie located?
Vivian Okirie practices at 2345 E Prater Way Ste 215, Sparks, NV 89434. The listed phone number is (775) 352-5301.
What is Vivian Okirie's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Vivian Okirie enrolled in Medicare?
Yes. Vivian Okirie 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 Vivian Okirie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Okirie reassigns Medicare benefits to 8 organizations: Usacs Observation Medicine Services Of Oklahoma, LLC (Tulsa, OK), Peachtree Immediate Care Fp, LLC (Hiram, GA), Covenant Medical Group LLC (Marietta, GA), Georgia Mso LLC (Atlanta, GA), Southern Regional Physicians Management Group, LLC (Riverdale, GA) and 3 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 Vivian Okirie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vivian Okirie accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Oscar Health list Vivian Okirie 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 Vivian Okirie affiliated with any hospitals?
According to CMS data, Vivian Okirie is affiliated with Ascension St John Medical Center.
When was this NPI record last updated?
The NPPES record for Vivian Okirie was last updated on October 12, 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.
# Vivian Okirie, MD · NPI 1568968501
Hospitalist physician in Sparks, Nevada. Individual provider, active in the CMS NPPES registry since March 30, 2018.
## Identity
- **NPI:** 1568968501 (Entity type: Individual)
- **Enumerated:** March 30, 2018
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 89721 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2345 E PRATER WAY STE 215, Sparks, NV 89434-9634
- **Phone:** (775) 352-5301
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Usacs Observation Medicine Services Of Oklahoma, LLC (NPI 1326739111, Tulsa, OK); Peachtree Immediate Care Fp, LLC (NPI 1437194156, Hiram, GA); Covenant Medical Group LLC (NPI 1194235853, Marietta, GA); Georgia Mso LLC (NPI 1952196164, Atlanta, GA); Southern Regional Physicians Management Group, LLC (NPI 1043677271, Riverdale, GA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Morehouse School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** October 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1568968501) · Data from the CMS NPPES public registry.