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

Individual provider Internal Medicine Physician · NPI 1972786176

Omar Ayala, MD is an Internal Medicine in San Angelo, Texas. Qualified in 1999, 27 years ago. Practices with Shannon Clinic, a 547-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
27
Licensed in
TX
In the registry since
2007
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) 653-6741
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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 N4925 (TX)

Record details

NPI number1972786176
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 11, 2007
Last updated in NPPESJune 11, 2013
Mailing addressPo Box 22000, San Angelo, TX 76902-7200

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Shannon Clinic — 547 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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