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GHIARA ALEXANDRA LUGO DIAZ M.D
NPI 1356870745
Obstetrics & Gynecology in San Antonio, TX

Active since June 08, 2017PECOS Enrolled
8300 FLOYD CURL DR, SAN ANTONIO, TX 78229(210) 450-9500 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 12, 2025, Apr 11, 2025, Apr 1, 2025 and 3 more (6 updates tracked since 2017).

About Ghiara Alexandra Lugo Diaz M.d NPPES

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

GHIARA ALEXANDRA LUGO DIAZ M.D (NPI 1356870745) is an individual obstetrics & gynecology provider in San Antonio, Texas, licensed in Texas (V7565) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1356870745
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameGHIARA ALEXANDRA LUGO DIAZCredential: M.D
Location Address8300 FLOYD CURL DRSan Antonio, TX 78229-3931
Mailing Address8300 Floyd Curl DrSan Antonio, TX 78229-3931 · (210) 450-9500
Phone(210) 450-9500
Sole ProprietorNo
Enumeration DateJune 8, 2017
Last NPPES UpdateJune 12, 20256 updates tracked since enumeration
NPPES CertifiedJune 12, 2025
✔ NPI 1356870745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in TX · V7565✔ Licensed in PR · 23322✔ Licensed in GA · 95486
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
8300 FLOYD CURL DR, San Antonio, TX 78229
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1Hospital universitario, Centro Medico de Puerto RIco Barrio MonacillosSan Juan, PR 00921 · Phone (787) 754-0101 ext. 52505
Location 2Emory University Hospital, 1364 Clifton Rd NEAtlanta, GA 30322-1064 · Phone (404) 778-5034
Location 3903 W Martin StSan Antonio, TX 78207-0903 · Phone (210) 358-2015

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health of TX, Blue Cross and Blue Shield of Texas, Community First and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ghiara Alexandra Lugo Diaz M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Ghiara Lugo Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Texas Health Science Center At San Antonio
0.1 mi
Dental
8210 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 2,397 clinicians in this Medicare group
NPI 1760424873 (210) 567-6405
Recinto De Ciencias Medicas
2,184 mi
Obstetrics & Gynecology
CENTRO COMERCIAL REPARTO METROPOLITANO SUITE 211, AVE. AMERICO MIRANDA
Rio Piedras, PR 00921
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 31 clinicians in this Medicare group
NPI 1689752461 (787) 758-7910

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

SAPNA RAGHUNATHAN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8300 FLOYD CURL DR
SAN ANTONIO, TX 78229
Bexar County (210) 450-9490
DR. THERESA LYNN STEWART M.D
Obstetrics & Gynecology (Maternal & Fetal Medicine)
8300 FLOYD CURL DR
SAN ANTONIO, TX 78229
Bexar County (210) 450-9500
ANNETTE B MARTIN PT
Physical Therapist
8300 FLOYD CURL DR, 4TH FLOOR
SAN ANTONIO, TX 78229
Bexar County (210) 450-9700
MATTHEW M BRIGMON MD
Internal Medicine (Infectious Disease)
8300 FLOYD CURL DR
SAN ANTONIO, TX 78229
Bexar County (210) 450-9800
ASHLEY GERSHNER PA-C
Physician Assistant
8300 FLOYD CURL DR
SAN ANTONIO, TX 78229
Bexar County (210) 450-9300
LAAVANYA RAJU M.D.
Family Medicine
8300 FLOYD CURL DR
SAN ANTONIO, TX 78229
Bexar County (210) 450-9100
DR. AARON J.M. BOIS MD, MSC, FRCSC
Orthopaedic Surgery
8300 FLOYD CURL DR, 3RD FLOOR -3C
SAN ANTONIO, TX 78229
Bexar County (210) 450-9300
DR. PHILIP M JACOBS M.D.
Orthopaedic Surgery
8300 FLOYD CURL DR
SAN ANTONIO, TX 78229
Bexar County (210) 450-9300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ghiara Lugo Diaz's NPI number?

The NPI number for Ghiara Lugo Diaz is 1356870745. It was assigned to this individual provider in the NPPES registry on June 8, 2017.

Where is Ghiara Lugo Diaz located?

Ghiara Lugo Diaz practices at 8300 Floyd Curl Dr, San Antonio, TX 78229. The listed phone number is (210) 450-9500.

What is Ghiara Lugo Diaz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Ghiara Lugo Diaz enrolled in Medicare?

Yes. Ghiara Lugo Diaz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ghiara Lugo Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ghiara Lugo Diaz reassigns Medicare benefits to 2 organizations: University Of Texas Health Science Center At San Antonio (San Antonio, TX) and Recinto De Ciencias Medicas (Rio Piedras, PR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ghiara Lugo Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ghiara Lugo Diaz accept?

Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, Community First, Harbor Health and Imperial Insurance Companies, Inc. list Ghiara Lugo Diaz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ghiara Lugo Diaz was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.