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KATELYN OESER CCC-SLP
NPI 1336692557
Speech-Language Pathologist in Gilbert, AZ

Active since July 25, 2016
690 E WARNER RD STE 105, GILBERT, AZ 85296(480) 820-6366(480) 820-0462 Get Directions Write a Review

NPPES record last updated: March 8, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katelyn Oeser Ccc-slp NPPES

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

KATELYN OESER CCC-SLP (NPI 1336692557) is an individual speech-language pathologist provider in Gilbert, Arizona, licensed in Arizona (SLP9900) and active in the NPI registry since July 2016.

NPPES Registry Identity

NPI1336692557
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameKATELYN OESERCredential: CCC-SLP
Location Address690 E WARNER RD STE 105Gilbert, AZ 85296-3055
Mailing Address690 E Warner Rd Ste 105Gilbert, AZ 85296-3055 · (480) 820-6366 · Fax (480) 820-0462
Phone(480) 820-6366
Fax(480) 820-0462
Sole ProprietorNo
Enumeration DateJuly 25, 2016
Last NPPES UpdateMarch 8, 2023
NPPES CertifiedMarch 8, 2023
✔ NPI 1336692557 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 · SLP9900
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.
690 E WARNER RD STE 105, Gilbert, AZ 85296
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katelyn Oeser Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Mentis Reo, LLC.
Same address
Developmental Disabilities
690 E WARNER RD STE 105
Gilbert, AZ 85296
  • Reassigned Medicare billing, Arizona enrollment
  • 25 clinicians in this Medicare group
NPI 1609541283 (480) 820-6366

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.

LAUREN ELIZABETH JANKE
Occupational Therapist
690 E WARNER RD STE 105
GILBERT, AZ 85296
Maricopa County (480) 820-6366
KYLEE CASTRO MOT, OTR/L
Occupational Therapist (Pediatrics)
690 E WARNER RD STE 105
GILBERT, AZ 85296
Maricopa County (480) 820-6366
KALEY SCHAFER
Speech-Language Pathologist
690 E WARNER RD STE 105
GILBERT, AZ 85296
Maricopa County (480) 820-6366
KATHY GRAHAM COTA
Occupational Therapy Assistant
690 E WARNER RD STE 105
GILBERT, AZ 85296
Maricopa County (480) 820-6366
SARAH JUSTISS COTA/L
Occupational Therapy Assistant
690 E WARNER RD STE 105
GILBERT, AZ 85296
Maricopa County (480) 820-6366
HALEY JOY OSTREM COTA/L
Occupational Therapy Assistant
690 E WARNER RD STE 105
GILBERT, AZ 85296
Maricopa County (480) 820-6366
SARAH DANIELS COTA
Occupational Therapy Assistant
690 E WARNER RD STE 105
GILBERT, AZ 85296
Maricopa County (480) 820-6366
JENNIFER MARIE SMITH OTD, OTR/L
Occupational Therapist
690 E WARNER RD STE 105
GILBERT, AZ 85296
Maricopa County (602) 499-2874

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 Katelyn Oeser's NPI number?

The NPI number for Katelyn Oeser is 1336692557. It was assigned to this individual provider in the NPPES registry on July 25, 2016.

Where is Katelyn Oeser located?

Katelyn Oeser practices at 690 E Warner Rd Ste 105, Gilbert, AZ 85296. The listed phone number is (480) 820-6366.

What is Katelyn Oeser's specialty?

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

Is Katelyn Oeser enrolled in Medicare?

Yes. Katelyn Oeser is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katelyn Oeser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katelyn Oeser reassigns Medicare benefits to Mentis Reo, LLC. (Gilbert, AZ). 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 Katelyn Oeser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katelyn Oeser accept?

Health plans from Blue Cross Blue Shield of Arizona list Katelyn Oeser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katelyn Oeser was last updated on March 8, 2023. 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.