Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CAROLINE HORENSTEIN SLP-CCC
NPI 1700455029
Speech-Language Pathologist in Scottsdale, AZ

Q: What is Caroline Horenstein's NPI number?

The NPI number for Caroline Horenstein is 1700455029. It was assigned to this individual provider in the NPPES registry on June 21, 2021. The provider is also known as Caroline Waldschmidt.

Q: What is Caroline Horenstein's specialty?

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

Active since June 21, 2021

11000 N SCOTTSDALE RD STE 220, SCOTTSDALE, AZ 85254(480) 256-9666 Get Directions Write a Review

NPPES record last updated: September 26, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 26, 2026, Jun 21, 2021 (2 updates tracked since 2021).

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About Caroline Horenstein Slp-ccc NPPES

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

CAROLINE HORENSTEIN SLP-CCC (NPI 1700455029) is an individual speech-language pathologist provider in Scottsdale, Arizona, licensed in Arizona (SLP13029) and active in the NPI registry since June 2021. She is a graduate of Other (2020).

NPPES Registry Identity

NPI1700455029

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameCAROLINE HORENSTEINCredential: SLP-CCC

Location Address11000 N SCOTTSDALE RD STE 220Scottsdale, AZ 85254-5269

Mailing Address3918 E Oak StPhoenix, AZ 85008-2251 · (412) 302-8441

Phone(480) 256-9666

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateJune 21, 2021

Last NPPES UpdateSeptember 26, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 26, 2026

✔ NPI 1700455029 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 AZ · SLP13029

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.

11000 N SCOTTSDALE RD STE 220, Scottsdale, AZ 85254

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Other Names 1

Professional Name (2)Caroline Waldschmidt

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caroline Horenstein Slp-ccc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284172800

PECOS Enrollment IDI20240819000091

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.

GABRIELLA ARTILLIO

Speech-Language Pathologist