Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Guillermo Leoz-Callizo, MD

Individual provider Psychiatry Physician · NPI 1528475845

Dr. Guillermo Leoz-Callizo, MD is a Psychiatry in Houston, Texas. Qualified in 2011, 15 years ago. Practices with Legacy Community Health Services, Inc, a 149-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Minnesota and Texas.

Years since qualifying
15
Licensed in
MN, TX
In the registry since
2014
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

1415 California St
Houston, TX 77006-2602
Phone: (832) 548-5000
Fax: (832) 548-5092
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 4301 Garth Rd, Baytown, TX 77521-3153 — (832) 548-5000
  • 400 N Beach St Ste 104, Fort Worth, TX 76111-7070 — (817) 831-1750

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence R7052 (TX)
Psychiatry Physician Taxonomy 2084P0800X · Licence 62571 (MN)

Record details

NPI number1528475845
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2014
Last updated in NPPESFebruary 19, 2026
Certification dateFebruary 19, 2026

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Legacy Community Health Services, Inc — 149 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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