WILLIAM ROCKWELL
NPI 1154881217
Emergency Medicine in Tulsa, OK
About William Rockwell NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ROCKWELL (NPI 1154881217) is an individual emergency medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (7036) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.
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 (PECOS)
William Rockwell is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show William Rockwell reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 162 clinicians in this Medicare group
Claremore, OK 74017
- Reassigned Medicare billing, Texas enrollment
- 1,047 clinicians in this Medicare group
Cleveland, OK 74020
- Reassigned Medicare billing, Oklahoma enrollment
- Also billed through NPI 1801020565 (Oklahoma)
- 34 clinicians in this Medicare group
Muskogee, OK 74401
- Reassigned Medicare billing, Texas enrollment
- 655 clinicians in this Medicare group
Stilwell, OK 74960
- Reassigned Medicare billing, Oklahoma enrollment
- 49 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.
Physician 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.
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.
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 Rockwell's NPI number?
The NPI number for William Rockwell is 1154881217. It was assigned to this individual provider in the NPPES registry on March 23, 2019.
Where is William Rockwell located?
William Rockwell practices at 744 W 9th St, Tulsa, OK 74127. The listed phone number is (918) 599-4427.
What is William Rockwell's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Rockwell enrolled in Medicare?
Yes. William Rockwell is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Rockwell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Rockwell reassigns Medicare benefits to 5 organizations: Green Country Emergency Physicians Group Of Tulsa PLLC (Tulsa, OK), Cherokee Nation (Claremore, OK), Cleveland Area Hospital Holdings, Inc. (Cleveland, OK), Creek Nation Hospital & Clinics (Muskogee, OK) and Adair County Health Center,inc. (Stilwell, OK). 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 Rockwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Rockwell accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list William Rockwell 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.
When was this NPI record last updated?
The NPPES record for William Rockwell was last updated on July 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.