1. Home
  2. Directory
  3. Texas
  4. San Antonio
  5. Psychiatry Neurology
  6. NPI Profile

LADY A.C. MARTINEZ FERNANDEZ MD
NPI 1821244401
Psychiatry & Neurology - Child & Adolescent Psychiatry in San Antonio, TX

Active since August 14, 2008PECOS Enrolled
3750 COMMERCIAL AVE, SAN ANTONIO, TX 78221(210) 922-7000(210) 334-3786 Get Directions Write a Review

NPPES record last updated: November 22, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lady A.c. Martinez Fernandez Md NPPES

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

LADY A.C. MARTINEZ FERNANDEZ MD (NPI 1821244401) is an individual child & adolescent psychiatry provider in San Antonio, Texas, licensed in Texas (Q3231) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Charlottesville, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1821244401
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameLADY A.C. MARTINEZ FERNANDEZCredential: MD
Location Address3750 COMMERCIAL AVESan Antonio, TX 78221-3117
Mailing Address3750 Commercial AveSan Antonio, TX 78221-3117 · (210) 922-7000 · Fax (210) 334-3756
Phone(210) 922-7000
Fax(210) 334-3786
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateAugust 14, 2008
Last NPPES UpdateNovember 22, 2022
NPPES CertifiedNovember 22, 2022
✔ NPI 1821244401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in TX · Q3231
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 0101276495 (VA)
3750 COMMERCIAL AVE, San Antonio, TX 78221
Open in Google Maps ↗

Secondary Practice Location 1

Location 11215 Lee StCharlottesville, VA 22908-3117 · Phone (434) 924-2231 · Fax (434) 924-9295

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lady A.c. Martinez Fernandez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9234448085
PECOS Enrollment IDI20251009000121
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 Lady Martinez Fernandez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Flourish Health Medical Practice, Ltd.
1,153 mi
Child & Adolescent Psychiatry
470 OLDE WORTHINGTON RD STE 200
Westerville, OH 43082
  • Reassigned Medicare billing, West Virginia enrollment
NPI 1669255170 (910) 517-0097
University Of Virginia Physicians Group
1,295 mi
Neuromusculoskeletal Medicine, Sports Medicine
4105 LEWIS AND CLARK DR
Charlottesville, VA 22911
  • Reassigned Medicare billing, Virginia enrollment
  • 2,820 clinicians in this Medicare group
NPI 1033138250 (434) 295-1000

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

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.

DR. HERBERT GUZMAN-CRUZ M.D.
Obstetrics & Gynecology
3750 COMMERCIAL AVE
SAN ANTONIO, TX 78221
Bexar County (210) 922-7000
MONICA LAMAR DELAGARZA DENTAL HYGIENIST
Dental Hygienist
3750 COMMERCIAL AVE
SAN ANTONIO, TX 78221
Bexar County (210) 334-3780
RAUL JOSE BONILLA
Dentist (General Practice)
3750 COMMERCIAL AVE
SAN ANTONIO, TX 78221
Bexar County (210) 334-3700
OLIVIA RAE PORTILLO DNP, FNP-C
Nurse Practitioner
3750 COMMERCIAL AVE
SAN ANTONIO, TX 78221
Bexar County (210) 334-3700
JAMES LEGLER MD
Pediatrics
3750 COMMERCIAL AVE
SAN ANTONIO, TX 78221
Bexar County (210) 922-7000
EL CENTRO DEL BARRIO INC
Clinic/Center (Federally Qualified Health Center (FQHC))
3750 COMMERCIAL AVE
SAN ANTONIO, TX 78221
Bexar County (210) 334-3700
MICHELLE RODRIGUEZ DNP, FNP-BC
Nurse Practitioner (Family)
3750 COMMERCIAL AVE
SAN ANTONIO, TX 78221
Bexar County (210) 334-3715
MAGDALENA VERDUZCO PNP
Nurse Practitioner (Pediatrics)
3750 COMMERCIAL AVE
SAN ANTONIO, TX 78221
Bexar County (210) 922-7000

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 Lady Martinez Fernandez's NPI number?

The NPI number for Lady Martinez Fernandez is 1821244401. It was assigned to this individual provider in the NPPES registry on August 14, 2008.

Where is Lady Martinez Fernandez located?

Lady Martinez Fernandez practices at 3750 Commercial Ave, San Antonio, TX 78221. The listed phone number is (210) 922-7000.

What is Lady Martinez Fernandez's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Lady Martinez Fernandez enrolled in Medicare?

Yes. Lady Martinez Fernandez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lady Martinez Fernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lady Martinez Fernandez reassigns Medicare benefits to 2 organizations: Flourish Health Medical Practice, Ltd. (Westerville, OH) and University Of Virginia Physicians Group (Charlottesville, VA). 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 Lady Martinez Fernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lady Martinez Fernandez was last updated on November 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.