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NISMA RAYAN
NPI 1174056774
Speech-Language Pathologist in Tustin, CA

Active since April 10, 2017
661 W 1ST ST STE E, TUSTIN, CA 92780(714) 838-2853 Get Directions Write a Review

NPPES record last updated: December 30, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 30, 2021, Jul 8, 2021, Apr 10, 2017 (3 updates tracked since 2017).

About Nisma Rayan NPPES

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

NISMA RAYAN (NPI 1174056774) is an individual speech-language pathologist provider in Tustin, California, licensed in California (30230) and active in the NPI registry since April 2017.

NPPES Registry Identity

NPI1174056774
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameNISMA RAYAN
Location Address661 W 1ST ST STE ETustin, CA 92780-2939
Mailing Address710 Lawrence ExpySanta Clara, CA 95051-5173
Phone(714) 838-2853
Sole ProprietorNo
Enumeration DateApril 10, 2017
Last NPPES UpdateDecember 30, 20213 updates tracked since enumeration
NPPES CertifiedJuly 8, 2021
✔ NPI 1174056774 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 · 30230
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.
661 W 1ST ST STE E, Tustin, CA 92780
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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)

Nisma Rayan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Permanente Medical Group Inc
341 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

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 9

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

MRS. JOANNE D. ORTEGA M.S., CCC-SLP
Speech-Language Pathologist
661 W 1ST ST STE E
TUSTIN, CA 92780
Orange County (714) 838-2853
ROBIN CARTER CCC-SLP
Speech-Language Pathologist
661 W 1ST ST STE E
TUSTIN, CA 92780
Orange County (714) 838-2853
MRS. JULIE CONKLIN APOR
Speech-Language Pathologist
661 W 1ST ST STE E
TUSTIN, CA 92780
Orange County (714) 838-2853
TUSTIN SPEECH THERAPY, INC
Clinic/Center (Hearing and Speech)
661 W 1ST ST STE E
TUSTIN, CA 92780
Orange County (714) 838-2853
TUSTIN SPEECH THERAPY, INC
Speech-Language Pathologist
661 W 1ST ST STE E
TUSTIN, CA 92780
Orange County (714) 838-2853
MARINA MARKS
Specialist/Technologist (Speech-Language Assistant)
661 W 1ST ST STE E
TUSTIN, CA 92780
Orange County (714) 838-2853
UPWARD BOUND SPEECH THERAPY SERVICES INC
Speech-Language Pathologist
661 W 1ST ST STE E
TUSTIN, CA 92780
Orange County (714) 838-2853
NAN ELLER CCC-SLP
Speech-Language Pathologist
661 W 1ST ST STE E
TUSTIN, CA 92780
Orange County (714) 838-2853

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 Nisma Rayan's NPI number?

The NPI number for Nisma Rayan is 1174056774. It was assigned to this individual provider in the NPPES registry on April 10, 2017.

Where is Nisma Rayan located?

Nisma Rayan practices at 661 W 1st St Ste E, Tustin, CA 92780. The listed phone number is (714) 838-2853.

What is Nisma Rayan's specialty?

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

Is Nisma Rayan enrolled in Medicare?

Yes. Nisma Rayan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nisma Rayan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nisma Rayan reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Nisma Rayan'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 Nisma Rayan was last updated on December 30, 2021. 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.