CHRISTOPHER L WILLIAMS MD
NPI 1194019232
Pathology - Clinical Pathology in Oklahoma City, OK
About Christopher L Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER L WILLIAMS MD (NPI 1194019232) is an individual clinical pathology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (28650) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with O U Medical Center, and is a graduate of Other (2011).
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 and accepts Medicare assignment
Christopher L Williams 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
2Medicare enrollment records show Christopher Williams 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.
Areas of Expertise CMS Part B claims
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.
O U Medical Center
Acute Care Hospitals · Oklahoma City, OKPhysician 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.
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 11
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
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 Christopher Williams's NPI number?
The NPI number for Christopher Williams is 1194019232. It was assigned to this individual provider in the NPPES registry on June 7, 2011.
Where is Christopher Williams located?
Christopher Williams practices at 940 Stanton L Young Blvd # 451, Oklahoma City, OK 73104. The listed phone number is (405) 271-2422.
What is Christopher Williams's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.
Is Christopher Williams enrolled in Medicare?
Yes. Christopher Williams 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 Christopher Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Williams 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 Christopher Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Williams accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Christopher Williams 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 Christopher Williams affiliated with any hospitals?
According to CMS data, Christopher Williams is affiliated with O U Medical Center.
When was this NPI record last updated?
The NPPES record for Christopher Williams was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Christopher L Williams, MD · NPI 1194019232
Clinical Pathology physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since June 7, 2011.
## Identity
- **NPI:** 1194019232 (Entity type: Individual)
- **Enumerated:** June 7, 2011
- **Primary specialty:** Pathology - Clinical Pathology · taxonomy 207ZC0006X
- **State license:** 28650 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 940 STANTON L YOUNG BLVD # 451, Oklahoma City, OK 73104-5020
- **Phone:** (405) 271-2422
## 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:** 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
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** July 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1194019232) · Data from the CMS NPPES public registry.