Summary

McGovern Medical School, the academic arm of UTHealth Houston, is a premier medical education and research institution. It offers MD, dual-degree, and graduate programs, training physicians, scientists, and health professionals. The school integrates cutting-edge research, clinical practice through UT Physicians and affiliated hospitals, and community health initiatives. It hosts a wide range of programs—including residency, fellowship, postdoctoral, and continuing medical education—while fostering interdisciplinary collaboration across behavioral sciences, cardiovascular perfusion, anesthesia, and more. McGovern Medical School also provides extensive student services, alumni networks, and public outreach, positioning it as a leader in advancing medical knowledge, patient care, and health innovation.

Quick Facts

  • accepting new patients
  • 11 years of experience
  • 27 insurance plans accepted
  • speaks English
  • Harborview Medical Center
  • 1 specialty
  • 1 area of expertise
  • 1 office location
  • Male

Office Location

John R. Williams

6400 Fannin St Ste 2150Houston, TX 77030
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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John R. WilliamsDr. Robert Rostomily, MDDr. Yevgeniy Freyvert, MDDr. Sibi Rajendran, MD
NeurosurgeryNeurosurgeryNeurosurgeryNeurosurgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
0 
4.2 
4.9 
0 
11 Years of Experience 7 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English, Spanish Speaks Spanish, Russian Speaks Malayalam, Tamil, English
Houston , TXHouston , TXHouston , TXHouston , TX
Med School: Warren Alpert Medical School Of Brown University Med School: Case Western Reserve University (CWRU) School of Medicine, Cleveland, Ohio Med School: State University of New York Upstate Medical University, Syracuse, NY Med School: University of Kentucky College of Medicine
Current Profile
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Insurance Plans Accepted by John R. Williams

  • Aetna
  • Aetna - HMO
  • Anthem Blue Cross
  • Baylor Scott & White Health Plan
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - HMO
  • Blue Cross Blue Shield of Texas
  • CHAMPVA - HMO
  • Cigna
  • Community Health Choice
  • Community Health Choice - Medicaid (Managed)
  • First Health (Coventry Health Care)
  • Humana
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Oscar Health Insurance
  • Regence BlueShield
  • Texas Children's Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Wellcare

Medical Specialties

John R. Williams has the following specialty

Specialty Expertise

John R. Williams has the following area of expertise

  • Neurological Surgery

Certifications, License, & Education

11 Years Experience

John R. Williams holds an active medical license in the state of Texas.

Medical License

Medical Doctor with an active medical license in the state of Texas that expires in 2027.

Education & Training

Residency

Completed their residency at Harborview Medical Center.

Medical School

Graduated from Warren Alpert Medical School Of Brown University in 2015.

NPI Number

John R. Williams' NPI number is 1336536200.

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Frequently Asked Questions

Does John Williams accept virtual/telehealth appointments?
John Williams has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with John Williams?
You can find contact information for John Williams here on Vitals.
What languages does John Williams speak?
John Williams speaks English.
Where is John Williams's office located?
John Williams's office is located at 6400 Fannin St Ste 2150, Houston, TX, 77030.
Does John Williams accept my insurance?
You can see the insurance plans that John Williams accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards

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