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

Eleazar Quintanilla Jr., MD

Individual provider Internal Medicine Physician · NPI 1518126309

Eleazar Quintanilla Jr., MD is a Hospitalist in San Antonio, Texas. Qualified in 1988, 38 years ago. Practices with Usacs Integrated Acute Care Services of Texas, PLLC, a 400-clinician group and accepts Medicare assignment. Licensed in Hawaii and Texas.

Years since qualifying
38
Licensed in
HI, TX
In the registry since
2008
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

3333 Research Plz
San Antonio, TX 78235-5154
Phone: (210) 297-6500
Fax: (210) 297-0352
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence N1085 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence N1085 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence E14821 (HI)
Internal Medicine Physician Taxonomy 207R00000X · Licence E14821 (HI)

Record details

NPI number1518126309
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 5, 2008
Last updated in NPPESSeptember 26, 2012

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Usacs Integrated Acute Care Services Of Texas, Pllc — 400 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in San Antonio