Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Si Yuan Khor, MD
Nephrology Physician in Tulsa, OK · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174133615
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Registry record
Entity type Individual (Type 1)
Name Si Yuan Khor
Credential MD
Sex Male
Practice address 6465 S Yale Ave Ste 804, Tulsa, OK, 74136
Phone (918) 502-3555
Enumeration date Aug 7, 2020
Last updated in NPPES Jul 27, 2026
Taxonomy & licenses
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4351046215 (MI) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Si Yuan Khor practice?
The practice location on file with NPPES is in Tulsa, OK. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Si Yuan Khor?
The National Provider Identifier (NPI) for Si Yuan Khor is 1174133615, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Muhammad Afzal Nephrology Physician · Tulsa, OK NPI 1417096629 Reza Azadi Nephrology Physician · Tulsa, OK NPI 1932300472 Diptesh Gupta Nephrology Physician · Tulsa, OK NPI 1326201260 Narottam Regmi Nephrology Physician · Tulsa, OK NPI 1427347947 Santhi Gokaraju Nephrology Physician · Tulsa, OK NPI 1730506940 Kevin Fu Nephrology Physician · Tulsa, OK NPI 1376938167 Swarnalaxmi Umapathy Nephrology Physician · Tulsa, OK NPI 1104480656 Mary Ranchhod Acute Care Nurse Practitioner · Tulsa, OK NPI 1184243396
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-27.