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

KARLA GUILLEN
NPI 1235005661
Specialist/Technologist - Speech-Language Assistant in Surprise, AZ

Active since October 13, 2025
15116 N COTTON LN, SURPRISE, AZ 85388(623) 322-8250 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Karla Guillen NPPES

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

KARLA GUILLEN (NPI 1235005661) is an individual speech-language assistant in Surprise, Arizona, licensed in Arizona (SLPA14981) and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1235005661
Entity TypeIndividualFemale
Primary Taxonomy2355S0801X
Provider Legal NameKARLA GUILLEN
Location Address15116 N COTTON LNSurprise, AZ 85388-9618
Mailing Address15116 N Cotton LnSurprise, AZ 85388-9618
Phone(623) 322-8250
Sole ProprietorNo
Enumeration DateOctober 13, 2025
Last NPPES UpdateAugust 12, 2026
NPPES CertifiedAugust 12, 2026
✔ NPI 1235005661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialist/Technologist · Speech-Language AssistantSpeech, Language and Hearing Service Providers
Taxonomy Code2355S0801X
License✔ Licensed in AZ · SLPA14981
15116 N COTTON LN, Surprise, AZ 85388
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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.

XENIA SALAZAR
Speech-Language Pathologist
15116 N COTTON LN
SURPRISE, AZ 85388
Maricopa County (847) 660-0983
MICHAEL LEE FRY
Behavior Technician
15116 N COTTON LN
SURPRISE, AZ 85388
Maricopa County (623) 322-8250
CATHERINE CLARE IWINSKI
Behavior Analyst
15116 N COTTON LN
SURPRISE, AZ 85388
Maricopa County (623) 322-8250
TRINITY FANTASIA ARROYO
Behavior Technician
15116 N COTTON LN
SURPRISE, AZ 85388
Maricopa County (623) 322-8250
SEBASTIAN ESCOBAR
Behavior Analyst
15116 N COTTON LN
SURPRISE, AZ 85388
Maricopa County (602) 284-0959
JENNIFER LYNN FERGUSON MS CCC-SLP
Speech-Language Pathologist
15116 N COTTON LN
SURPRISE, AZ 85388
Maricopa County (602) 770-6049
HALEY CUMMINGS OTR/L
Occupational Therapist
15116 N COTTON LN
SURPRISE, AZ 85388
Maricopa County (800) 376-3440
MI VU
Occupational Therapist
15116 N COTTON LN
SURPRISE, AZ 85388
Maricopa County (800) 376-3440

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 Karla Guillen's NPI number?

The NPI number for Karla Guillen is 1235005661. It was assigned to this individual provider in the NPPES registry on October 13, 2025.

Where is Karla Guillen located?

Karla Guillen practices at 15116 N Cotton Ln, Surprise, AZ 85388. The listed phone number is (623) 322-8250.

What is Karla Guillen's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, specializing in Speech-Language Assistant, with taxonomy code 2355S0801X.

When was this NPI record last updated?

The NPPES record for Karla Guillen was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.