Psychologist | Health Service Psychology | 35+ years experience

Dr. Mary L. Trevino, PH.D.

261 Turtle Ln, Seguin, Texas, 78155-3142

About Dr. Mary L. Trevino

Dr. Mary L. Trevino is a psychologist based in Seguin, Texas with 35 years of experience in Health Service Psychology. She completed her graduation in 1991. She may accept the Medicare-approved amount. Patients may be billed for more than the Medicare deductible and coinsurance. Active license number of Dr. Mary L. Trevino is 11530 for Health Service Psychology in Texas. Her current practice location is 261 Turtle Ln, Seguin. Patients can contact her at 210-250-1298 or can fax her at 830-433-4790. Dr. Mary L. Trevino, PH.D., specializes in Health Service Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1851428957.

Dr. Mary L. Trevino is certified/licensed at the independent practice level in his/her state, and is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Practice Information

Dr. Mary L. Trevino's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Mary L. Trevino
Specialization Health Service Psychology
Credentials PH.D.
Accepts Medicare Assignment May Accept
Gender Female
Practice Address: 261 Turtle Ln,
Seguin, TX - 78155-3142
Fax 830-433-4790

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 8820069370
Enrollment ID I20040809000457
NPI Number1851428957
NPI Enumeration Date: 27 Feb, 2007
NPI Last Update On: 04 Mar, 2011

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Mary L. Trevino are as mentioned below.

License NumberSpecializationStateStatus
11530Health Service Psychology TexasPrimary
11530Cognitive & Behavioral Psychology TexasSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Mary L. Trevino is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Autumn View Alliance, Llc (6901936103)2

Other Medical Identifiers

Other professional identifiers associated with Dr. Mary L. Trevino such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
166851902MedicaidTexas

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Mary L. Trevino
261 Turtle Ln,
Seguin, TX - 78155-3142
Phone: 210-250-1298
Fax: 830-433-4790

Book an Appointment with Dr. Mary L. Trevino

To schedule an appointment, contact Dr. Mary L. Trevino at 261 Turtle Ln, Seguin, Texas or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mary L. Trevino:

Dr. Mary L. Trevino is a psychologist specializing in Health Service Psychology. She is certified/licensed at the independent practice level in his/her state, and is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Dr. Mary L. Trevino has approximately 35 years of experience in Health Service Psychology.

Dr. Mary L. Trevino may accept Medicare assignment. Please contact the provider's office directly to verify Medicare participation and coverage details.

Yes, Dr. Mary L. Trevino is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Mary L. Trevino practices at 261 Turtle Ln, Seguin, Texas, 78155-3142.

To schedule an appointment with Dr. Mary L. Trevino, please contact the office at 210-250-1298.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.