Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Javier Leoncio Baez Presser, MD

Individual provider Internal Medicine Physician · NPI 1023560646

Javier Leoncio Baez Presser, MD is an Internal Medicine in San Angelo, Texas. Qualified in 1996, 30 years ago. Practices with Shannon Clinic, a 547-clinician group and accepts Medicare assignment. Licensed in Texas and Washington.

Years since qualifying
30
Licensed in
TX, WA
In the registry since
2016
Specialties on file
4
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

120 E Harris Ave
San Angelo, TX 76903-5904
Phone: (325) 481-6410
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence U5636 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD61256372 (WA)
Hospitalist Physician Taxonomy 208M00000X · Licence MD61256372 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1023560646
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 31, 2016
Last updated in NPPESAugust 11, 2023
Certification dateAugust 11, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Shannon Clinic — 547 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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