Si Yuan Khor, MD
Nephrology Physician · Tulsa, OK
Si Yuan Khor, MD is a nephrology physician with a practice address in Tulsa, Oklahoma, and NPI 1174133615, issued on Aug 7, 2020. Check the license (Oklahoma 46585, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Si Yuan Khor
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 46585 OK
4351046215 MI
79234 MN
Self-reported in NPPES; status is on the state search - Practice location
- 6465 S Yale Ave Ste 804, Tulsa, OK 74136
- Phone
- (918) 502-3555
- Enumerated
- Aug 7, 2020
- Record last updated
- Jul 27, 2026
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 112 in Oklahoma → Look up another NPI →
Also registered at 6465 S Yale Ave Ste 804
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Afzal, M.D.Nephrology Physician1417096629
- Reza Azadi, D.O.Nephrology Physician1932300472
- Kevin Fu, MDNephrology Physician1376938167
- Santhi Gokaraju, M.D.Nephrology Physician1730506940
- Diptesh Gupta, M.D.Nephrology Physician1326201260
- Mary Ranchhod, APRN - CNPAcute Care Nurse Practitioner1184243396
Verify Si Yuan Khor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 46585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nephrology physician in 2024
30 Medicare Part D claims for 18 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $121.82
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Si Yuan Khor among 112 nephrology physician records in Oklahoma
Si Yuan Khor, MD is one of 112 nephrology physician records with a practice address in Oklahoma. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 2% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 79% of these records are
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Oklahoma
There are 112 nephrology physician records in Oklahoma.
All 112 in Oklahoma → Every provider in Tulsa → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Muhammad Afzal, M.D.Tulsa, OK 741361417096629
- Reza Azadi, D.O.Tulsa, OK 741361932300472
- James Bourdeau, MDTulsa, OK 741361710097803
- Kenneth Calabrese, DOTulsa, OK 741361073601175
- Mary Cameron, MDTulsa, OK 741361619924677
- Jay Fu, MDTulsa, OK 741361235226192
- Kevin Fu, MDTulsa, OK 741361376938167
- Santhi Gokaraju, M.D.Tulsa, OK 741361730506940
Common questions
What is Si Yuan Khor, MD's NPI number?
Si Yuan Khor, MD's National Provider Identifier (NPI) is 1174133615, issued on Aug 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Si Yuan Khor, MD located?
The NPPES record lists a practice address at 6465 S Yale Ave Ste 804, Tulsa, OK, 74136. Phone: (918) 502-3555. Providers update this record themselves, so call before visiting.
How can I verify Si Yuan Khor, MD's license?
NPPES lists Oklahoma license number 46585, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Si Yuan Khor, MD prescribe under Medicare Part D?
In 2024, Si Yuan Khor, MD had 30 Medicare Part D claims for 18 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.