DR. WILLIAM HOUSTON HARRIS D.O.
NPI 1457799512
Emergency Medicine in Tulsa, OK
About Dr. William Houston Harris D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM HOUSTON HARRIS D.O. (NPI 1457799512) is an individual emergency medicine provider in Tulsa, Oklahoma, licensed in West Virginia (3026) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Titus Regional Medical Center, and is a graduate of Philadelphia College Of Osteopathic Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 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
Dr. William Houston Harris D.o. 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 William Harris reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mt Pleasant, TX 75455
- Reassigned Medicare billing, Texas enrollment
- 27 clinicians in this Medicare group
Longview, TX 75601
- Reassigned Medicare billing, Texas enrollment
- 272 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Titus Regional Medical Center
Acute Care Hospitals · Mount Pleasant, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74127 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 2
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.
TULSA, OK 74127
TULSA, OK 74127
TULSA, OK 74127
TULSA, OK 74127
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 William Harris's NPI number?
The NPI number for William Harris is 1457799512. It was assigned to this individual provider in the NPPES registry on June 11, 2013.
Where is William Harris located?
William Harris practices at 744 W 9th St, Tulsa, OK 74127. The listed phone number is (918) 599-5922.
What is William Harris's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Harris enrolled in Medicare?
Yes. William Harris 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 William Harris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Harris reassigns Medicare benefits to 2 organizations: East Texas Medical Services PLLC (Mt Pleasant, TX) and Northeast Texas Emergency Physicians, PLLC (Longview, TX). 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 William Harris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Harris accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list William Harris 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 William Harris affiliated with any hospitals?
According to CMS data, William Harris is affiliated with Titus Regional Medical Center.
When was this NPI record last updated?
The NPPES record for William Harris was last updated on May 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.