Xavier Castillo, MD

Kelsey-Seybold Medical Group Provider
Pointer4.9 (262 Reviews) Read reviews
Language(s): English, Spanish
1111 Augusta Drive,
Houston,
TX
77057
Joined Kelsey-Seybold: December 1997
Ways to Schedule an Appointment
My Video Profile
"I would like every patient to have a positive, educational and motivational experience so that each person feels good about making positive lifestyle changes. Prevention and a healthy lifestyle are the two most important elements to health care."
My Biography
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Professional Background
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Professional Associations
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Hobbies and Interests
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Awards & Publications
Dr. Castillo graduated from Meharry Medical College in Nashville in 1981. He completed his residency at Oakwood Hospital in Dearborn, Michigan before completing a Master’s degree in Public Health and his residency in General Preventive Medicine at Loma Linda University in California. Dr. Castillo completed fellowship training in Occupational Medicine at West Virginia University, Morgantown.
Dr. Castillo is a member of the American College of Occupational and Environmental Medicine, American College of Preventive Medicine, American College of Lifestyle Medicine, Harris County Medical Society and the Texas Medical Association.
When he’s not caring for patients at Kelsey-Seybold Clinic, Dr. Castillo enjoys spending time with his wife and playing racquetball and baseball with his two sons.
Appointments and Certifications
Dr. Castillo has been certified by the United Kingdom Offshore Operators Association and is a certified Oil & Gas UK (OGUK) medical examiner.
He is also certified by the Association of Diving Contractors International and is a U.S. Department of Transportation (DOT) certified medical examiner for the Federal Motor Carrier Safety Administration (FMCSA).
Accepted Insurance
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Blue Cross Blue Shield Plans
Blue Cross Blue Shield
The specific BCBSTX PPO and HMO plans in which Kelsey-Seybold participates are:
- Blue Edge PPO
- Blue Essentials HMO Click here to learn more about selecting a Kelsey Primary Care Physician
- Blue Choice PPO
- Blue Cross Blue Shield of Texas
- Blue Cross Blue Shield Federal Employee Program (Basic and Standard Option)
- Health Select of Texas - ERS
- TRS-ActiveCare Primary Click here to learn more about selecting a Kelsey Primary Care Physician
- TRS-ActiveCare Primary+ Click here to learn more about selecting a Kelsey Primary Care Physician
- TRS-ActiveCare HD
- TRS-ActiveCare 2
- UT SELECT
Kelsey-Seybold will not participate in the following BCBSTX plans: Blue Premier, Blue High-Performance network, Marketplace plans: My Blue Health, and Blue Advantage HMO, or any BCBSTX Medicare products. View FAQ (pdf)
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Cigna Plans
Cigna
- KelseyCare powered by Cigna (learn more)
- Choice Fund PPO
- Choice Fund Open Access Plus (OAP)
- Cigna EPO
- Cigna HMO
- Cigna KelseyCare
- Cigna HMO Open Access (OA)
- Cigna HMO Open Access Plus (OAP)
- Cigna POS
- Cigna PPO
- Cigna Consumer Driven Health Plan (CDHP)
- Cigna Surefit
- LocalPlus
- LocalPlus IN
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Humana Plans
Humana
- KelseyCare Humana (learn more)
- Humana Choice POS
- Humana COT National POS Open Access
- Humana EPO PPO Open Access
- Humana Houston HMOx
- Humana National EPO
- Humana HMO Premier (Open Access)
- Humana PPO
- Humana Preferred PPO
- Humana Preferred POS (Open Access)
- Humana/ ChoiceCare Network PPO
- Humana/ChoiceCare+ Network PPO
- Humana National POS- Open Access
- Humana National POS-Open Access Plus
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Aetna Plans
Aetna KelseyCare (learn more)
Aetna PPO, POS, and EPO Plans
Kelsey-Seybold Clinic is an in-network provider for most Aetna PPO, POS, and EPO plans*, including:
- Aetna Select
- Open Access Select
- Elect Choice
- Aetna Open Access Elect Choice
- Aetna Choice POS II
- Managed Choice
- Open Choice PPO
Aetna IVL (Marketplace)
ON Exchange Effective January 1, 2022
- Aetna CVS Bronze: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
- Aetna CVS Bronze: Low-Cost Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
- Aetna CVS Silver 2: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
- Aetna CVS Gold: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
- Aetna CVS Silver 1: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
OFF Exchange Effective January 1, 2022
- Aetna CVS Bronze: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
- Aetna CVS Bronze: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston, Ped Dental HMO
- Aetna CVS Silver 2: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston, Ped Dental HMO
- Aetna CVS Bronze: Low-Cost Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
- Aetna CVS Bronze: Low-Cost Walk-In Clinic Visits, Telehealth, Store Discounts, Houston, Ped Dental HMO
- Aetna CVS Silver 1: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston, Ped Dental HMO
- Aetna CVS Silver 2: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
- Aetna CVS Silver 3: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston, Ped Dental HMO
- Aetna CVS Gold: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
- Aetna CVS Gold: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston, Ped Dental HMO
- Aetna CVS Silver 1: $0 Walk-In Clinic Visits, Telehealth, Store Discounts, Houston HMO
*Kelsey-Seybold does not participate in any commercial Aetna HMO and HNO plans, including Aetna QPOS.
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UnitedHealthcare Plans
UnitedHealthcare (UHC)
- United Charter Kelsey-Seybold (learn more)
- UnitedHealthcare Charter
- UnitedHealthcare Choice
- UnitedHealthcare Choice Plus
- UnitedHealthcare Core
- UnitedHealthcare Core Plus
- UnitedHealthcare Navigate
- UnitedHealthcare Navigate Plus
- UnitedHealthcare NexusACO
- UnitedHealthcare Options PPO
- UnitedHealthcare Select
- UnitedHealthcare Select Plus
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KelseyCare Health Plans
Local employers can add a KelseyCare plan alongside current plan offerings. Over 400 Houston-area employers offer the choice of a KelseyCare plan to their employees.
KelseyCare plans include:
- Aetna KelseyCare (learn more)
- KelseyCare powered by Cigna (learn more)
- KelseyCare Humana (learn more)
- United Charter Kelsey-Seybold (learn more)
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Other Plans
Allied Benefit Systems/NGBS
Federal Employee Health Benefits (FEHB)
- APWU Health Plan Nationwide – CDHP with UnitedHealthcare PPO
- APWU Health Plan Nationwide – High Option with Cigna PPO
- GEHA Benefit Plan Nationwide – High & Standard Options with UnitedHealthcare Choice Plus
- NALC Nationwide with Cigna OAP
- NALC Value Option Nationwide with Cigna OAP
- SAMBA Nationwide – High & Standard with Cigna OAP
- Blue Cross Blue Shield – Standard Option
- Blue Cross Blue Shield – Basic Option
Great West Healthcare (also known as Cigna-GWH)
- POS
- PPO
- Open Access
HealthSmart PPO
Medicare
Kelsey-Seybold Clinic accepts the following Medicare Advantage Plans: KelseyCare Advantage, Aetna Medicare Advantage PPO and WellCare TexanPlus plans. Effective January 1, 2009, Kelsey-Seybold Clinic does not accept new patients with traditional Medicare.
MultiPlan PPO
Private Healthcare Systems PPO (PHCS)
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Medicare Advantage Plans
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Medicare Advantage Plans
*** This provider only sees KelseyCare Advantage members by referral
Education and Board Certifications
Medical School
- Meharry Medical College, 1981
Internship/Residency
- Oakwood Hospital & Medical Center, Loma Linda University School of Public Health, West Virginia University Health Sciences Center
Board Certifications
- American Board of Preventive Medicine - Occupational Medicine
- American Board of Preventive Medicine - Public Health & General Preventive Medicine