CLAYTON ELLIS NELSON MD
NPI 1871854554
Orthopaedic Surgery - Hand Surgery in Oklahoma City, OK
About Clayton Ellis Nelson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLAYTON ELLIS NELSON MD (NPI 1871854554) is an individual hand surgery provider in Oklahoma City, Oklahoma, licensed in Oklahoma (29279) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Anthony Hospital - Oklahoma City, and is a graduate of University Of Oklahoma College Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Clayton Ellis Nelson 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 Clayton Nelson 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 73116
- Reassigned Medicare billing, Oklahoma enrollment
- 507 clinicians in this Medicare group
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 96 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 22
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Anthony Hospital - Oklahoma City
Acute Care Hospitals · Oklahoma City, OKSsm Health St Anthony Hospital - Shawnee
Acute Care Hospitals · Shawnee, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73103 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.
Referred Medical Equipment & Supplies CMS DME claims
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73103
OKLAHOMA CITY, OK 73103
OKLAHOMA CITY, OK 73103
OKLAHOMA CITY, OK 73103
OKLAHOMA CITY, OK 73103
OKLAHOMA CITY, OK 73103
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 Clayton Nelson's NPI number?
The NPI number for Clayton Nelson is 1871854554. It was assigned to this individual provider in the NPPES registry on May 30, 2012.
Where is Clayton Nelson located?
Clayton Nelson practices at 1110 N Lee Ave Ste 200, Oklahoma City, OK 73103. The listed phone number is (405) 218-2530.
What is Clayton Nelson's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is Clayton Nelson enrolled in Medicare?
Yes. Clayton Nelson 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 Clayton Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clayton Nelson reassigns Medicare benefits to 2 organizations: Saints Medical Group, LLC (Oklahoma City, OK) and Oklahoma Emergency Services PC (Lawton, 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 Clayton Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clayton Nelson accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Clayton Nelson 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 Clayton Nelson affiliated with any hospitals?
According to CMS data, Clayton Nelson is affiliated with Ssm Health St Anthony Hospital - Oklahoma City and Ssm Health St Anthony Hospital - Shawnee.
When was this NPI record last updated?
The NPPES record for Clayton Nelson was last updated on June 16, 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.