DR. GUILLERMO LEOZ-CALLIZO MD
NPI 1528475845
Psychiatry & Neurology - Psychiatry in Houston, TX

Q: What is Guillermo Leoz-callizo's NPI number?

The NPI number for Guillermo Leoz-callizo is 1528475845. It was assigned to this individual provider in the NPPES registry on July 18, 2014.

Q: What is Guillermo Leoz-callizo's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since July 18, 2014PECOS EnrolledAccepts Medicare Assignment

1415 CALIFORNIA ST, HOUSTON, TX 77006(832) 548-5000(832) 548-5092 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 14, 2018, Mar 17, 2018, Aug 30, 2017 (3 updates tracked since 2017).

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About Dr. Guillermo Leoz-callizo Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GUILLERMO LEOZ-CALLIZO MD (NPI 1528475845) is an individual psychiatry provider in Houston, Texas, licensed in Texas (R7052) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1528475845

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. GUILLERMO LEOZ-CALLIZOCredential: MD

Location Address1415 CALIFORNIA STHouston, TX 77006-2602

Mailing Address6255 W Sunset Blvd Fl 21Los Angeles, CA 90028-7422 · (323) 860-5200

Phone(832) 548-5000

Fax(832) 548-5092

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateJuly 18, 2014

Last NPPES UpdateFebruary 19, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 19, 2026

✔ NPI 1528475845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in TX · R7052✔ Licensed in MN · 62571

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1415 CALIFORNIA ST, Houston, TX 77006

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Secondary Practice Locations 2

Location 14301 Garth Rd, STE 302, 306, & 400Baytown, TX 77521-3153 · Phone (832) 548-5000 · Fax (281) 420-8445

Location 2400 N Beach St Ste 104Fort Worth, TX 76111-7070 · Phone (817) 831-1750

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Guillermo Leoz-callizo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557633534

PECOS Enrollment IDI20181017001746

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$176.98 typical visit price

range $58.24 – $176.98

Typical copayment $44.24 (range $14.56 – $44.24)

Most-billed visit code 99205

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TEANDRA VASHON GORDON LMFT

Marriage & Family Therapist