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DR. PRISCILLA CASTILLO HERNANDEZ AU. D.
NPI 1932673225
Audiologist in Rockwall, TX

Active since January 19, 2019
1320 SUMMER LEE DR, ROCKWALL, TX 75032(972) 771-5443(972) 771-5444 Get Directions Write a Review

NPPES record last updated: January 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 2, 2026, Jun 18, 2019, Jan 19, 2019 (3 updates tracked since 2019).

About Dr. Priscilla Castillo Hernandez Au. D. NPPES

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

DR. PRISCILLA CASTILLO HERNANDEZ AU. D. (NPI 1932673225) is an individual audiologist in Rockwall, Texas, licensed in Texas (80946) and active in the NPI registry since January 2019.

NPPES Registry Identity

NPI1932673225
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameDR. PRISCILLA CASTILLO HERNANDEZCredential: AU. D.
Location Address1320 SUMMER LEE DRRockwall, TX 75032-5453
Mailing Address1320 Summer Lee DrRockwall, TX 75032-5453 · (972) 771-5443
Phone(972) 771-5443
Fax(972) 771-5444
Sole ProprietorNo
Enumeration DateJanuary 19, 2019
Last NPPES UpdateJanuary 2, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 2, 2026
✔ NPI 1932673225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in TX · 80946
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
1320 SUMMER LEE DR, Rockwall, TX 75032
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Priscilla Castillo Hernandez Au. D. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Priscilla Hernandez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lakeside Allergy Ent LLP
Same address
Specialist
1320 SUMMER LEE DR.
Rockwall, TX 75032
  • Reassigned Medicare billing, Texas enrollment
  • 4 clinicians in this Medicare group
NPI 1780068379 (972) 771-5443

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test to assess middle ear function 92567
A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.
198 services189 patients
Comprehensive hearing and speech recognition test 92557
A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.
171 services171 patients
Test for hearing various pitches using earphone 92552
This is a hearing test where earphones are worn to detect different pitch levels. Sounds of various frequencies are played, and you indicate when you hear them. This helps evaluate your hearing ability. It's safe, comfortable, and non-invasive.
16 services16 patients

Other Providers at the Same Location NPPES 5

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

AMY ALLISON SUHUMSKIE MA-CCC-A
Audiologist
1320 SUMMER LEE DR
ROCKWALL, TX 75032
Rockwall County (972) 771-5443
ALLISON GARCIA
Audiologist
1320 SUMMER LEE DR
ROCKWALL, TX 75032
Rockwall County (972) 771-5443
JEFFREY ALAN WEST M.D.
Otolaryngology
1320 SUMMER LEE DR
ROCKWALL, TX 75032
Rockwall County (972) 771-5443
DR. KYLIE ALEXANDER HUGGINS AU.D.
Audiologist
1320 SUMMER LEE DR
ROCKWALL, TX 75032
Rockwall County (972) 771-5443
DR. ANDREW J CHANG MD, MPH
Otolaryngology
1320 SUMMER LEE DR
ROCKWALL, TX 75032
Rockwall County (972) 771-5443

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 Priscilla Hernandez's NPI number?

The NPI number for Priscilla Hernandez is 1932673225. It was assigned to this individual provider in the NPPES registry on January 19, 2019.

Where is Priscilla Hernandez located?

Priscilla Hernandez practices at 1320 Summer Lee Dr, Rockwall, TX 75032. The listed phone number is (972) 771-5443.

What is Priscilla Hernandez's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Priscilla Hernandez enrolled in Medicare?

Yes. Priscilla Hernandez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Priscilla Hernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Priscilla Hernandez reassigns Medicare benefits to Lakeside Allergy Ent LLP (Rockwall, TX). The 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 Priscilla Hernandez'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 Priscilla Hernandez was last updated on January 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.