Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1639993934 Individual Practitioner Male Practitioner

John J. Yoon

Chiropractor • Riverside, CA

Professional Overview & Biography Verified Profile Summary

John Yoon is a registered healthcare professional specializing in Chiropractor in Riverside, CA. Practice services are available at 4193 FLAT ROCK DR STE 202 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4193 Flat Rock Dr Ste 202

Riverside, CA 925057113

Telephone 3106343199

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Riverside, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 37.4 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
85 Specialists

Practicing in Riverside, CA (12100 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

Medical Specialties & State Licenses

CMS Verified: 2026-04-11
Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

State License CA DC22216

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

Career & Practice History Timeline

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

11 Historical Events
📍
Updated Practice Location April 11, 2026

Registered at 4193 FLAT ROCK DR STE 202, RIVERSIDE, CA 925057113 (Tel: 3106343199)

📍
Updated Practice Location December 07, 2025

Registered at 8352 COMMONWEALTH AVE, BUENA PARK, CA 906212526 (Tel: 7145036550)

📍
Updated Business Mailing Address December 07, 2025

Registered at 8071 YORKSHIRE CIR, LA PALMA, CA 906232026 (Tel: 3106343199)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 07, 2025

Chiropractor (License #DC22216 in CA)

📍
Updated Practice Location October 18, 2025

Registered at 2240 PACIFIC AVE, LONG BEACH, CA 908064372 (Tel: 6266382818)

NPI Profile Active November 13, 2024

NPI status registered as active in NPPES database

📍
Updated Practice Location November 13, 2024

Registered at 16020 WETERN AVE, GARDENA, CA 90247 (Tel: 3106343199)

📍
Updated Business Mailing Address November 13, 2024

Registered at 21143 HAWTHORNE BLVD # 207, TORRANCE, CA 905034615

👤
Provider Name / Credentials Updated November 13, 2024

Recorded as JOHN YOON

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 13, 2024

Chiropractor (License #DC22216 in CA)

🟢
Initial NPI Registration & Enumeration November 13, 2024

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: 1639993934
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 13, 2024
Last Update: April 11, 2026
Sole Proprietor: Yes

Mailing Address

8071 Yorkshire Cir

La Palma, CA 906232026

Phone: 3106343199

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.