Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1346710555 Individual Practitioner Female Practitioner

Joann Hyungjoo Ko

Speech-Language Pathologist • Harbor City, CA

Professional Overview & Biography Verified Profile Summary

Joann Ko is a certified Speech-Language Pathologist practicing in Harbor City, CA. With approximately 6 years of clinical experience since completing medical education in 2020, Joann Ko delivers high-quality medical care to the local community at 25825 VERMONT AVE.

Joann Ko does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

25825 Vermont Ave

Harbor City, CA 907103518

Telephone 8335742273
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2020

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Speech-Language Pathologist in Harbor City, CA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs +2.0 yrs vs City Avg
City Avg: 4.0 Yrs
State Avg: 14.3 Yrs
Regional Practice Density
18 Specialists

Practicing in Harbor City, CA (13280 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ko (6 Years) 6 Yrs
Harbor City Specialty Average (4.0 Years) 4.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-06-22
Speech-Language Pathologist Primary Specialty

NUCC Taxonomy Code: 235Z00000X

State License CA 32961

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.

Secondary Practice Locations

2801 Atlantic Ave

Long Beach, CA 908061701

Phone: 5629332000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Lauren Mulligan , MD

Psychiatry & Neurology - Psychiatry

NPI 1003277914

Doctor of Medicine (M.D.)

Dr. Haein Kim , MD

Family Medicine

NPI 1003392309

Doctor of Medicine (M.D.)

Dr. David Hwang , DO

Internal Medicine - Nephrology

NPI 1003475039

Doctor of Osteopathic Medicine (D.O.)

Dr. Daniel Chu , MD

Family Medicine

NPI 1003481375

Doctor of Medicine (M.D.)

Dr. Bansari Patel , DO

Student in an Organized Health Care Education/Training Program

NPI 1003565912

Doctor of Osteopathic Medicine (D.O.)

Dr. Alexander Wong , DO

Student in an Organized Health Care Education/Training Program

NPI 1003666116

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
📍
Updated Practice Location November 20, 2025

Registered at 25825 VERMONT AVE, HARBOR CITY, CA 907103518 (Tel: 8335742273)

📍
Updated Business Mailing Address November 20, 2025

Registered at 1526 W 5TH ST, SAN PEDRO, CA 907323418 (Tel: 9518978111)

👤
Provider Name / Credentials Updated November 20, 2025

Recorded as JOANN KO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 20, 2025

Speech-Language Pathologist (License #32961 in CA)

NPI Profile Active November 30, 2018

NPI status registered as active in NPPES database

📍
Updated Practice Location November 30, 2018

Registered at 217 W CERRITOS AVE, ANAHEIM, CA 928056549 (Tel: 7147761231)

📍
Updated Business Mailing Address November 30, 2018

Registered at 2930 ANNA ST, RIVERSIDE, CA 925064401 (Tel: 9518978111)

👤
Provider Name / Credentials Updated November 30, 2018

Recorded as JOANN LEE

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 30, 2018

Specialist/Technologist (License #5086 in CA)

🟢
Initial NPI Registration & Enumeration November 30, 2018

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1346710555
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 30, 2018
Last Update: June 22, 2026
Sole Proprietor: No

Mailing Address

1526 W 5th St

San Pedro, CA 907323418

Phone: 9518978111

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.