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

Ernesto Guerra Jr., MD

Individual provider Gastroenterology Physician · NPI 1558366435

Ernesto Guerra Jr., MD is a Gastroenterology in San Antonio, Texas. Graduated from University of California, San Diego School of Medicine in 1976, 50 years ago. Practices with Texas Digestive Disease Consultants, PLLC, a 615-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
50
Trained at
University of California, San Diego School of Medicine
Licensed in
TX
In the registry since
2005
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

520 E Euclid Ave
San Antonio, TX 78212-4414
Phone: (210) 271-0606
Fax: (210) 475-9806
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence E7416 (TX)

Record details

NPI number1558366435
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 16, 2005
Last updated in NPPESJanuary 31, 2017

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Group practice Texas Digestive Disease Consultants, Pllc — 615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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