JILL S WARREN MD
NPI 1922076140
Pediatrics in Oklahoma City, OK
About Jill S Warren Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JILL S WARREN MD (NPI 1922076140) is an individual pediatrics provider in Oklahoma City, Oklahoma, licensed in Oklahoma (18478) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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)
Jill S Warren Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Jill Warren reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73104
- Reassigned Medicare billing, Oklahoma enrollment
- 845 clinicians in this Medicare group
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.
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 73104
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
OKLAHOMA CITY, OK 73104
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 Jill Warren's NPI number?
The NPI number for Jill Warren is 1922076140. It was assigned to this individual provider in the NPPES registry on March 14, 2006.
Where is Jill Warren located?
Jill Warren practices at 1200 N Phillips Ave Suite 6100, Oklahoma City, OK 73104. The listed phone number is (405) 271-6827.
What is Jill Warren's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Jill Warren enrolled in Medicare?
Yes. Jill Warren is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jill Warren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jill Warren reassigns Medicare benefits to 2 organizations: Board Of Regents Of The University Of Oklahoma - Ou Physicians (Oklahoma City, OK) and Ou Health Partners, Inc (Oklahoma City, 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 Jill Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jill Warren accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Jill Warren 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 Jill Warren was last updated on January 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Jill S Warren, MD · NPI 1922076140
Pediatrics physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since March 14, 2006.
## Identity
- **NPI:** 1922076140 (Entity type: Individual)
- **Enumerated:** March 14, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 18478 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 N PHILLIPS AVE, SUITE 6100, Oklahoma City, OK 73104-4600
- **Phone:** (405) 271-6827 · **Fax:** (405) 271-4418
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Board Of Regents Of The University Of Oklahoma - Ou Physicians (NPI 1801869250, Oklahoma City, OK); Ou Health Partners, Inc (NPI 1528642642, Oklahoma City, OK) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 19, 2011
- **Other identifiers:** Medicare UPIN G03564; Other 731069169030 (OK); Medicaid 100822490D (OK)
---
Source: [NPI Profile](https://npiprofile.com/npi/1922076140) · Data from the CMS NPPES public registry.