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

Dr. Ana Gabriela Ruiz Allison, MD

Individual provider Family Medicine Physician · NPI 1861436073

Dr. Ana Gabriela Ruiz Allison, MD is an Internal Medicine in Missouri City, Texas. Qualified in 1982, 44 years ago. Practices with Pasadena Health Center, Inc, a 2-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
44
Licensed in
TX
In the registry since
2006
Specialties on file
2
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

5627 Horseshoe Fls
Missouri City, TX 77459-6911
Phone: (832) 257-1066
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5627 Horseshoe Fls, Missouri City, TX 77459-6911 — (832) 257-1066

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence H7497 (TX)
Family Medicine Physician Taxonomy 207Q00000X · Licence H7497 (TX)

Record details

NPI number1861436073
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 16, 2006
Last updated in NPPESNovember 4, 2025
Certification dateNovember 4, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Pasadena Health Center, Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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