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ALLISON LOY M.A., CCC-SLP
NPI 1588212526
Speech-Language Pathologist in Menlo Park, CA

Active since September 03, 2019
120A SANTA MARGARITA AVE, MENLO PARK, CA 94025(650) 324-0648 Get Directions Write a Review

NPPES record last updated: September 3, 2019. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Allison Loy M.a., Ccc-slp NPPES

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

ALLISON LOY M.A., CCC-SLP (NPI 1588212526) is an individual speech-language pathologist provider in Menlo Park, California, licensed in California (22290) and active in the NPI registry since September 2019.

NPPES Registry Identity

NPI1588212526
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameALLISON LOYCredential: M.A., CCC-SLP
Location Address120A SANTA MARGARITA AVEMenlo Park, CA 94025-2725
Mailing Address120a Santa Margarita AveMenlo Park, CA 94025-2725 · (650) 324-0648
Phone(650) 324-0648
Sole ProprietorNo
Enumeration DateSeptember 3, 2019
✔ NPI 1588212526 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 · 22290
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.
120A SANTA MARGARITA AVE, Menlo Park, CA 94025
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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)

Allison Loy M.a., Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Permanente Medical Group Inc
3.9 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000

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 14

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

MERCEDES K COOPER M.S. C.C.C.- SLP
Speech-Language Pathologist
120A SANTA MARGARITA AVE
MENLO PARK, CA 94025
San Mateo County (650) 324-0648
JOAN KATHRYN ZOVICKIAN
Speech-Language Pathologist
120A SANTA MARGARITA AVE
MENLO PARK, CA 94025
San Mateo County (650) 324-0648
MRS. DOROTHEA K TAYLOR M.S.
Speech-Language Pathologist
120A SANTA MARGARITA AVE
MENLO PARK, CA 94025
San Mateo County (650) 283-7545
HEATHER ANN CARR M.S.
Speech-Language Pathologist
120A SANTA MARGARITA AVE
MENLO PARK, CA 94025
San Mateo County (650) 324-0648
MRS. MELANIE J BROWNIE M.A., CCC-SLP
Speech-Language Pathologist
120A SANTA MARGARITA AVE
MENLO PARK, CA 94025
San Mateo County (650) 324-0648
ZOE WRIGHT MS, CCC-SLP, IBCLC
Speech-Language Pathologist
120A SANTA MARGARITA AVE
MENLO PARK, CA 94025
San Mateo County (650) 324-0648
ANGELICA KIM LEE MS, CCC-SLP
Speech-Language Pathologist
120A SANTA MARGARITA AVE
MENLO PARK, CA 94025
San Mateo County (650) 324-0648
CARA SINGER
Speech-Language Pathologist
120A SANTA MARGARITA AVE
MENLO PARK, CA 94025
San Mateo County (419) 410-2206

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 Allison Loy's NPI number?

The NPI number for Allison Loy is 1588212526. It was assigned to this individual provider in the NPPES registry on September 3, 2019.

Where is Allison Loy located?

Allison Loy practices at 120A Santa Margarita Ave, Menlo Park, CA 94025. The listed phone number is (650) 324-0648.

What is Allison Loy's specialty?

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

Is Allison Loy enrolled in Medicare?

Yes. Allison Loy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Allison Loy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Loy reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, 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 Allison Loy'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 Allison Loy was last updated on September 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.