5
2 Ratings
Summary
Dr. Maria Rayas is an endocrinologist specializing in diabetes and metabolism as well as pediatrics. She earned her medical degree from the University of Texas Health Science Center at San Antonio Joe R. and Teresa Lozano Long School of Medicine and completed her residency at University Hospital. With 19 years of experience in medicine, Dr. Rayas provides care in both English and Spanish.
Dr. Rayas practices at Texas Diabetes Institute - University Health in San Antonio, Texas, and maintains an affiliation with University Hospital. She focuses on treating diabetes type 1 in children and teens, along with conditions like hypoparathyroidism and hypocalcemia. Her expertise includes performing blood tests, thyroid function panels, and thyroid hormone tests to help diagnose and monitor her patients' conditions. Patients have given Dr. Rayas an average rating of 5.0 on Vitals.
Dr. Rayas practices at Texas Diabetes Institute - University Health in San Antonio, Texas, and maintains an affiliation with University Hospital. She focuses on treating diabetes type 1 in children and teens, along with conditions like hypoparathyroidism and hypocalcemia. Her expertise includes performing blood tests, thyroid function panels, and thyroid hormone tests to help diagnose and monitor her patients' conditions. Patients have given Dr. Rayas an average rating of 5.0 on Vitals.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 19 years of experience
- 30 insurance plans accepted
- speaks English, Spanish
- University Hospital
- 3 specialties
- 3 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 1 office location
- Female
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Texas Diabetes Institute - University Health
701 S Zarzamora StSan Antonio, TX 78207 Tel: (210) 358-7551
Compare with Similar Doctors
 |  |  |  |
| Maria S. Rayas, MD | Andrea Lynn Mccoy | Dr. Nicole Sheung, DO | Dr. Oluwatomi Oluwagbemisola Asemota |
| Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism | Endocrinology, Diabetes & Metabolism |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 19 Years of Experience | 8 Years of Experience | 12 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | |
| San Antonio , TX | CHICAGO , IL | Cypress , TX | Chicago , IL |
| Med School: Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med | Med School: Marian University College of Osteopathic Medicine | Med School: University Of Ibadan College Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Maria S. Rayas
Medical Specialties
Maria S. Rayas has the following 3 specialties
Specialty Expertise
Maria S. Rayas has the following 3 areas of expertise
Certifications, License, & Education
19 Years Experience
Maria S. Rayas holds an expired medical license in the state of Texas.
Medical License
Medical Doctor with an expired medical license in the state of Texas that expired in 2026.
Education & Training
Residency
Completed their residency at University Hospital.
Medical School
Graduated from Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med in 2007.
NPI Number
Maria S. Rayas' NPI number is 1457536328.
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Frequently Asked Questions
- Is Maria Rayas accepting new patients?
- Maria Rayas is accepting new patients on Vitals. View Maria Rayas's profile on Vitals to make an appointment.
- Does Maria Rayas accept my insurance?
- You can see the insurance plans that Maria Rayas accepts on their Vitals profile.
- What languages does Maria Rayas speak?
- Maria Rayas speaks English and Spanish.
- Which hospitals is Maria Rayas affiliated with?
- Maria Rayas is affiliated with University Hospital.
- Does Maria Rayas accept virtual/telehealth appointments?
- Maria Rayas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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