Sibi Rajendran, MD
Sibi Rajendran, MD
About Dr. Sibi Rajendran
Dr. Rajendran is a neurosurgeon specializing in brain surgery, stereotactic and functional neurosurgery, with expertise in movement disorders, epilepsy surgery, and complex cranial procedures including brain tumors. He is committed to delivering the highest quality care through meticulous technique, thoughtful clinical judgment, and minimally invasive approaches whenever appropriate to optimize outcomes and recovery.
He earned his medical degree from the University of Kentucky College of Medicine and completed his neurosurgery residency at the Houston Methodist Neurological Institute. He pursued advanced fellowship training in Stereotactic and Functional Neurosurgery at St. George's University Hospital NHS Foundation Trust in London, and further fellowship training at Dell Seton Medical Center at The University of Texas in Austin.
Dr. Rajendran takes a personalized, patient-centered approach grounded in technical precision, sound surgical judgment, and a commitment to achieving durable, high-quality outcomes so patients can move forward with confidence.
Clinical Interests
- Brain and spine tumor surgery (meningioma, glioma, metastasis)
- Deep brain stimulation (DBS)
- Epilepsy surgery (SEEG, LITT, DBS, RNS, VNS)
- Focused ultrasound (MRgFUS) for tremor
- Gamma knife stereotactic radiosurgery
- General neurosurgery (chiari, normal pressure hydrocephalus, spinal stenosis)
- Minimally-invasive neurosurgery
- Robotic neurosurgery
- Spinal cord stimulation
- Trigeminal neuralgia
Accepted Insurance Plans
- (WELLMED) AARP MEDICARE ADVANTAGE ESSENTIALS FROM UHC EP-1 (PPO) **
- (WELLMED) AARP MEDICARE ADVANTAGE EXTRA FROM UHC EP-3 (PPO) **
- (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC EP-2 (PPO) **
- (WELLMED) AARP MEDICARE ADVANTAGE CareFlex FROM UHC TX-44 (HMO-POS)**
- (WELLMED) AARP MEDICARE ADVANTAGE CareFlex FROM UHC TX-45 (HMO-POS)**
- (WELLMED) AARP MEDICARE ADVANTAGE ESSENTIAL FROM UHC TX-21 (HMO-POS)**
- (WELLMED) AARP MEDICARE ADVANTAGE ESSENTIAL FROM UHC TX-22 (HMO-POS)**
- (WELLMED) AARP MEDICARE ADVANTAGE EXTRA FROM UHC TX-27 (HMO-POS)**
- (WELLMED) AARP MEDICARE ADVANTAGE EXTRA FROM UHC TX-28 (HMO-POS)**
- (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-35 (HMO-POS) **
- (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-38(HMO-POS) **
- (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-39 (HMO-POS) **
- (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-40 (HMO-POS) **
- (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-41 (HMO-POS) **
- (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-47 (HMO-POS) **
- (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-005
- (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-013
- (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-014
- (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-021
- (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-025
- (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-026
- (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-32 (PPO)** H1278-022
- (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-34 (PPO)** H1278-024
- (WELLMED) SECURE HORIZON MEDICARE ADVANTAGE TX-0023 (HMO-POS)**
- (WELLMED) SECURE HORIZON MEDICARE ADVANTAGE TX-0025 (HMO-POS)**
- All Saver/United Healthcare
- BCBS PPO GUIDESTONE
- BCBS PPO Wespath
- Bind Surest UHC
- Blue Advantage HMO
- Blue Advantage HMO Plus
- Blue Choice POS
- Blue Choice PPO
- Blue Cross Blue Shield EPO
- Blue Cross Blue Shield FEP Federal Employee Plan
- Blue Cross Blue Shield Medicare Advantage Out of State
- Blue Cross Blue Shield Medicare Advantage PPO/UT Care
- Blue Cross Blue Shield POS
- Blue Cross Blue Shield PPO
- Blue Edge
- Blue Essentials
- Blue Essentials Access
- Entrust/90 Degree EDI Payer ID# 36878
- GeoBlue
- HealthSmart Accel PPO
- HealthSmart Payors Organization
- HealthSmart PPO
- Healthspring/Cigna MCR HMO
- Healthspring/Cigna MCR PPO
- Healthspring/Cigna MCR Total Care Dual
- HMO Blue
- Medica Choice with UnitedHealthcare Choice Plus
- MEDICARE ADVANTAGE : TEXAN PLUS
- Sana Benefits
- TRS-ActiveCare 2 Group 385002
- TRS-ActiveCare Fully Insured Plan-South Texas Region Group 295430
- TRS-ActiveCare Fully Insured Plan-West Texas Region Group 295781
- TRS-ActiveCare HD Group 385000
- TRS-ActiveCare Primary Group 385003
- TRS-ActiveCare Primary Plus Group 385001
- TRS-Care Standard ALT A I Group 485002
- TRS-Care Standard ALT A II Group 485003
- TRS-Care Standard ALT B I Group 485005
- TRS-Care Standard ALT B II Group 485006
- TRS-Care Standard CMED Group 485001
- TRS-Care Standard Group 485000
- TX Annual Conf of UMC-UMR
- UHC COMPLETE CARE SUPPORT TX-1A (REGIONAL PPO C-SNP)** R6801-008
- UHC Complete Care TX-16 (HMO-POS C-SNP)** H4527-039
- UHC Complete Care TX-17 (HMO-POS C-SNP)** H4527-040
- UHC Complete Care TX-18 (HMO-POS C-SNP)** H4527-041
- UHC Complete Care TX-19 (HMO-POS C-SNP)** H4527-042
- UHC COMPLETE CARE TX-29 (REGIONAL PPO C-SNP)** R6801-009
- UHC DUAL COMPLETE TX-S001 (REGIONAL PPO D-SNP)** R6801-011
- UHC GR MA HALLIBURTON HMO 137 ** H0609-822-137
- UHC GR MA LOCKHEED HMO 164 ** H0609-822-164
- UHC GR MA RIO TINTO SERVICE
- UHC GR MA TEACHER RETIREMENT SYSTEM HMO 199** H0609-822-207
- UHC GR MA VERIZON HMO 207** H0609-822-207
- UHC MEDICARE ADVANTAGE TX-0030 (REGIONAL PPO)** R6801-012
- UMR
- United Health Integrated Services
- United HealthCare Community Plan Dual Complete (HMO SNP)
- United Healthcare Nexus ACO RA or OA
- United Healthcare Plan of the River Valley
- UnitedHealthcare Choice
- UnitedHealthcare ChoicePlus
- UnitedHealthcare Core
- UnitedHealthcare Core Plus
- UnitedHealthcare EPO
- UnitedHealthcare Golden Rule
- UnitedHealthcare HMO
- UnitedHealthcare Navigate
- UnitedHealthcare Navigate Plus
- UnitedHealthcare Options PPO
- UnitedHealthcare Oxford
- UnitedHealthcare POS
- UnitedHealthcare PPO
- UnitedHealthcare Student Resources
- UnitedHealthcare West
- UnitedHealthOne
- US Family Health Plan
- WellMed AARP Medicare Advantage Choice PPO
- WellMed AARP Medicare Advantage Plan 1 & Plan 2
- WellMed Medicare Advantage Choice PPO
- WellMed Medicare Advantage Patriot
- WellMed UHC Dual Complete HMO D-SNP
- WellMed UnitedHealthCare Dual Complete Choice (Regional PPO D-SNP)
- WellMed UnitedHealthCare Medicare Advantage Choice (Regional PPO)
- WellMed UnitedHealthCare Medicare Gold (Regional PPO C-SNP)
- WellMed UnitedHealthCare Medicare Silver (Regional PPO C-SNP)
Credentials
- Neurological Surgery | Houston Methodist Neurological Institute, Houston, Texas | 2026
- Stereotactic and Functional Neurosurgery, Epilepsy Surgery | Dell Seton Medical Center at the University of Texas, Austin, Texas | 2026
- Stereotactic and Functional Neurosurgery | St. George’s University Hospital NHS Foundation Trust, London, United Kingdom | 2024
- Medicine | University of Kentucky College of Medicine, Lexington, Kentucky | 2019
- Biology, Neuroscience | University of Kentucky College of Arts and Sciences, Lexington, Kentucky | 2015
- Houston Methodist Sugar Land Hospital
- Houston Methodist Hospital
- Houston Methodist Neurological Institute
Languages
- English
- Malayalam
- Tamil