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SARAH PARK SEO MS, CCC-SLP
NPI 1720599103
Speech-Language Pathologist in Downey, CA

Active since October 12, 2017
9353 IMPERIAL HWY, DOWNEY, CA 90242(800) 823-4040 Get Directions Write a Review

NPPES record last updated: December 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 29, 2021, Dec 22, 2021, Sep 24, 2020 and 2 more (5 updates tracked since 2017).

About Sarah Park Seo Ms, Ccc-slp NPPES

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

SARAH PARK SEO MS, CCC-SLP (NPI 1720599103) is an individual speech-language pathologist provider in Downey, California and active in the NPI registry since October 2017.

NPPES Registry Identity

NPI1720599103
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameSARAH PARK SEOCredential: MS, CCC-SLP
Location Address9353 IMPERIAL HWYDowney, CA 90242-2812
Mailing Address9353 Imperial HwyDowney, CA 90242-2812
Phone(800) 823-4040
Sole ProprietorYes
Enumeration DateOctober 12, 2017
Last NPPES UpdateDecember 29, 20215 updates tracked since enumeration
NPPES CertifiedDecember 29, 2021
✔ NPI 1720599103 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
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.
9353 IMPERIAL HWY, Downey, CA 90242
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Other Names 1

Other Name (5)Sarah Park

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sarah Park Seo Ms, Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Southern California Permanente Medical Group
1.0 mi
Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1043242555 (562) 461-3000

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.

DR. DANNY HYUN KIM DPT
Physical Therapist
9353 IMPERIAL HWY, PHYSICAL THERAPY GMO 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-2682
ASHLEY VINH CHANG PT, DPT
Physical Therapist
9353 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (833) 574-2273
QUENNIE M. BASA PHYSICAL THERAPIST
Physical Therapist (Orthopedic)
9353 IMPERIAL HWY, GARDEN MEDICAL OFFICE 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-2428
ELIZABETH PICINIC NORHEIM M.D.
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
9353 IMPERIAL HWY, FL 1
DOWNEY, CA 90242
Los Angeles County (562) 657-4243
KRISTINE JOAN PARKER M.A.
Speech-Language Pathologist
9353 IMPERIAL HWY, 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-4909
MRS. LORI TAGAMI P.T.
Physical Therapist
9353 IMPERIAL HWY, PHYSICAL MEDICINE, GARDEN MEDICAL BUILDING 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-4803
CARITIA OROZCO
Physical Therapist
9353 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (800) 823-4040
MR. MICHAEL HENRY LEAL PT, MPT
Physical Therapist (Orthopedic)
9353 IMPERIAL HWY, PM & R GARDEN BLDG 3RD FLOOR
DOWNEY, CA 90242
Los Angeles County (562) 657-4803

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 Sarah Seo's NPI number?

The NPI number for Sarah Seo is 1720599103. It was assigned to this individual provider in the NPPES registry on October 12, 2017. The provider is also known as Sarah Park.

Where is Sarah Seo located?

Sarah Seo practices at 9353 Imperial Hwy, Downey, CA 90242. The listed phone number is (800) 823-4040.

What is Sarah Seo's specialty?

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

Is Sarah Seo enrolled in Medicare?

Yes. Sarah Seo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sarah Seo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Seo reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, 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 Sarah Seo'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 Sarah Seo was last updated on December 29, 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.