Diana M. Garza, FNP-C

  • Kerrville, TX
  • Family nurse practitioner
NPI1578819868
Part D claims, 2024
1,157
Industry payments
$115
Affiliated sites
1
Medical groups
2
State license
1
Practice address
5439 Ray Ellison Boulevard, San Antonio, TX 78242
Practice phone
Call (210) 922-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Berto Guerra Clinic

FQHC - Main Site · San Antonio, Texas

See all 3 affiliations

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Diana M. Garza is a family nurse practitioner in Kerrville, Texas

Diana Garza practices at Berto Guerra Clinic in San Antonio, Texas.

Diana Garza's NPI, 1578819868, was assigned on July 24, 2012. Diana Garza holds Texas license AP122408.

NPI and contact details
NPI enumeration date
July 24, 2012
NPI status
Active
Practice phone
(210) 922-7000
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Diana M. Garza practices in San Antonio and Kerrville

Diana Garza's primary practice is Berto Guerra Clinic, at 5439 Ray Ellison Boulevard, San Antonio, TX 78242 in Bexar County. The practice phone is (210) 922-7000. The NPI Registry lists Diana Garza's practice address as 551 Hill Country S Dr, Kerrville, TX 78028.

  • Berto Guerra ClinicPrimary
    5439 Ray Ellison Boulevard, San Antonio, TX 78242 · Bexar CountyPhone(210) 922-7000
  • NPI Registry address
    551 Hill Country S Dr, Kerrville, TX 78028 · Kerr County

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Diana M. Garza is affiliated with 1 site of care and 2 medical groups

Diana Garza's primary practice is Berto Guerra Clinic in San Antonio, Texas. The medical group on file is Gonzaba Medical Group. Dmand AI also links Diana Garza to 1 more medical group, named with a free account.

See all 3 affiliations for Diana Garza

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Diana M. Garza's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Diana Garza practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Berto Guerra ClinicAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Diana M. Garza is one of 15,436 family nurse practitioners in Texas

Family is Diana Garza's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Diana Garza is licensed in Texas.

Specialties and state licenses

  • Family nurse practitioner, TexasPrimaryLicense AP122408 · taxonomy 363LF0000X

Family nurse practitioners near Diana Garza

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Diana M. Garza's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Diana Garza's median patient age at 62, with 59% women.

Diana Garza's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women59%
  • Men38%

Source: Dmand AI Patient Panel Data

Diana M. Garza wrote 1,157 Medicare Part D claims in 2024

In 2024, Diana Garza wrote 1,157 Medicare Part D claims for 153 patients. 81% of them were for generic drugs.

Part D claims, 20241,157
Part D patients153

Diana Garza's Part D claims by kind of drug, 2024

  • Generic942 claims81%
  • Brand-name196 claims17%
  • Other19 claims2%

Drug classes CMS tracks in Diana Garza's Part D claims, 2024

  • Antibiotics2%19 of 1,157 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Diana M. Garza received $115 in industry payments in 2025

CMS Open Payments shows 1 general payment to Diana Garza from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Phathom Pharmaceuticals, Inc. paid the most, $115.

Companies that paid Diana Garza the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Diana Garza

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Diana M. Garza's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Diana M. Garza

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Diana M. Garza's NPI number?

Diana M. Garza's NPI number is 1578819868. It was assigned on July 24, 2012, and it is active in the NPI Registry.

What does Diana M. Garza specialize in?

Diana M. Garza is a family nurse practitioner in Kerrville, Texas. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Diana M. Garza practice?

Diana Garza practices at 5439 Ray Ellison Boulevard, San Antonio, TX 78242. Diana Garza also practices at 551 Hill Country S Dr, Kerrville, TX 78028. Diana Garza's primary practice is Berto Guerra Clinic in San Antonio, Texas. Dmand AI also links Diana Garza to 1 medical group.

What is Diana M. Garza's office phone number?

The practice phone on file for Diana Garza is (210) 922-7000.

What is Diana M. Garza's medical license number?

Diana Garza holds Texas license AP122408.

What medical group is Diana M. Garza part of?

Diana Garza is linked to Gonzaba Medical Group. Dmand AI links Diana Garza to 1 more medical group.

Has Diana M. Garza received payments from drug or device companies?

CMS Open Payments shows $115 in general payments to Diana Garza from 1 company from 2025 to 2025. The largest total came from Phathom Pharmaceuticals, Inc.

How long has Diana M. Garza been practicing?

Diana Garza's NPI was assigned in 2012.

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