SI YUAN KHOR MD
NPI 1174133615
Internal Medicine - Nephrology in Tulsa, OK
About Si Yuan Khor Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SI YUAN KHOR MD (NPI 1174133615) is an individual nephrology provider in Tulsa, Oklahoma, licensed in Oklahoma (46585) and active in the NPI registry since August 2020. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Si Yuan Khor 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 Reassignment
Medicare enrollment records show Si Yuan Khor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 1,144 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNSaint Francis Hospital, Inc
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74136 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TULSA, OK 74136
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 Si Yuan Khor's NPI number?
The NPI number for Si Yuan Khor is 1174133615. It was assigned to this individual provider in the NPPES registry on August 7, 2020.
Where is Si Yuan Khor located?
Si Yuan Khor practices at 6465 S Yale Ave Ste 804, Tulsa, OK 74136. The listed phone number is (918) 502-3555.
What is Si Yuan Khor's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Si Yuan Khor enrolled in Medicare?
Yes. Si Yuan Khor 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 organization bills Medicare for Si Yuan Khor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Si Yuan Khor reassigns Medicare benefits to Warren Clinic Inc (Tulsa, 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 Si Yuan Khor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Si Yuan Khor accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare and Mending Health list Si Yuan Khor 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 Si Yuan Khor affiliated with any hospitals?
According to CMS data, Si Yuan Khor is affiliated with Mayo Clinic Hospital Rochester and Saint Francis Hospital, Inc.
When was this NPI record last updated?
The NPPES record for Si Yuan Khor was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Si Yuan Khor, MD · NPI 1174133615
Nephrology physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since August 7, 2020.
## Identity
- **NPI:** 1174133615 (Entity type: Individual)
- **Enumerated:** August 7, 2020
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 46585 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 6465 S YALE AVE STE 804, Tulsa, OK 74136-7810
- **Phone:** (918) 502-3555
## 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:** Warren Clinic Inc (NPI 1174582282, Tulsa, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** July 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174133615) · Data from the CMS NPPES public registry.