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THERESA THUY DACIO SLP
NPI 1285386920
Speech-Language Pathologist in Anaheim, CA

Active since January 24, 2022
5475 E LA PALMA AVE STE 206, ANAHEIM, CA 92807(909) 636-8125 Get Directions Write a Review

NPPES record last updated: January 24, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Theresa Thuy Dacio Slp NPPES

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

THERESA THUY DACIO SLP (NPI 1285386920) is an individual speech-language pathologist provider in Anaheim, California, licensed in California (16422) and active in the NPI registry since January 2022.

NPPES Registry Identity

NPI1285386920
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameTHERESA THUY DACIOCredential: SLP
Location Address5475 E LA PALMA AVE STE 206Anaheim, CA 92807-2075
Mailing Address5407 E Indian Wells CtAnaheim, CA 92807-4613 · (909) 636-8125
Phone(909) 636-8125
Sole ProprietorNo
Enumeration DateJanuary 24, 2022
NPPES CertifiedJanuary 10, 2022
✔ NPI 1285386920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in CA · 16422
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
5475 E LA PALMA AVE STE 206, Anaheim, CA 92807
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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)

Theresa Thuy Dacio Slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Instrumental Speech Language Pathology Professionals Inc.
Same address
Speech-Language Pathologist
5475 E LA PALMA AVE STE 206
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1396372686 (714) 922-5235

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

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.

Treatment of speech, language, voice, communication, and/or hearing processing disorder 92507
This treatment involves working with a specialist to improve communication skills. It could involve exercises to enhance speech clarity, language understanding, voice volume, or hearing comprehension. The goal is to enhance your ability to express and understand others effectively.
201 services14 patients

Other Providers at the Same Location NPPES 3

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

STACEY HUANG
Speech-Language Pathologist
5475 E LA PALMA AVE STE 206
ANAHEIM, CA 92807
Orange County (714) 251-6356
DR. DIANA LYNN LAWSON DC
Chiropractor
5475 E LA PALMA AVE STE 206
ANAHEIM, CA 92807
Orange County (714) 485-2001
INSTRUMENTAL SPEECH LANGUAGE PATHOLOGY PROFESSIONALS INC.
Speech-Language Pathologist
5475 E LA PALMA AVE STE 206
ANAHEIM, CA 92807
Orange County (714) 922-5235

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 Theresa Dacio's NPI number?

The NPI number for Theresa Dacio is 1285386920. It was assigned to this individual provider in the NPPES registry on January 24, 2022.

Where is Theresa Dacio located?

Theresa Dacio practices at 5475 E La Palma Ave Ste 206, Anaheim, CA 92807. The listed phone number is (909) 636-8125.

What is Theresa Dacio's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Theresa Dacio enrolled in Medicare?

Yes. Theresa Dacio is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Theresa Dacio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Dacio reassigns Medicare benefits to Instrumental Speech Language Pathology Professionals Inc. (Anaheim, CA). 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 Theresa Dacio'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 Theresa Dacio was last updated on January 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.