DR. WILLIAM CALEB HANCOCK M.D.
NPI 1922462019
Pediatrics in Oklahoma City, OK
About Dr. William Caleb Hancock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM CALEB HANCOCK M.D. (NPI 1922462019) is an individual pediatrics provider in Oklahoma City, Oklahoma, licensed in Oklahoma (38062) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Dr. William Caleb Hancock M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Hancock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 1,795 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Hancock's NPI number?
The NPI number for William Hancock is 1922462019. It was assigned to this individual provider in the NPPES registry on April 5, 2016.
Where is William Hancock located?
William Hancock practices at 1200 Childrens Ave Ste 12506, Oklahoma City, OK 73104. The listed phone number is (405) 271-1456.
What is William Hancock's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is William Hancock enrolled in Medicare?
Yes. William Hancock is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Hancock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Hancock reassigns Medicare benefits to Ou Health Partners, Inc (Oklahoma City, OK). The 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 Hancock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Hancock 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 2 other insurers list William Hancock 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 Hancock was last updated on June 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.