Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Stephen Guess Richardson, MD

Individual provider Family Medicine Physician · NPI 1992020440

Stephen Guess Richardson, MD is a Family Practice in San Marcos, Texas. Graduated from Louisiana State University School of Medicine in Shreveport in 2010, 16 years ago. Practices with Christus Trinity Clinic, a 1,531-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
16
Trained at
Louisiana State University School of Medicine in Shreveport
Licensed in
TX
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

401 Broadway St Ste A
San Marcos, TX 78666-7771
Phone: (512) 805-5650
Fax: (512) 392-4744
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence P3805 (TX)

Record details

NPI number1992020440
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 27, 2010
Last updated in NPPESJuly 6, 2021
Certification dateJuly 6, 2021
Mailing address401 Broadway St Ste A, San Marcos, TX 78666-7771

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN SHREVEPORT
Graduated 2010 (16 years in practice)
Group practice Christus Trinity Clinic — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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