Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1982785853 Individual Practitioner Male Practitioner

Dr. William Roch Johnston , DC

Chiropractor • Irvine, CA

Professional Overview & Biography Verified Profile Summary

Dr. William Johnston, DC is a registered healthcare professional specializing in Chiropractor in Irvine, CA. Practice services are available at 18124 CULVER DRIVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

18124 Culver Drive
Suite G University Park Chiropractic

Irvine, CA 926122729

Telephone 9497868802
Fax 9497868875
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Irvine, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.7 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
138 Specialists

Practicing in Irvine, 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

Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

State License CA DC21727

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

6 Historical Events
NPI Profile Active December 07, 2011

NPI status registered as active in NPPES database

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Updated Practice Location December 07, 2011

Registered at 18124 CULVER DRIVE, SUITE G UNIVERSITY PARK CHIROPRACTIC, IRVINE, CA 926122729 (Tel: 9497868802)

📍
Updated Business Mailing Address December 07, 2011

Registered at 18124 CULVER DR, STE G UNIVERSITY PARK CHIROPRACTIC, IRVINE, CA 926122729 (Tel: 9497868802)

👤
Provider Name / Credentials Updated December 07, 2011

Recorded as WILLIAM JOHNSTON, DC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 07, 2011

Chiropractor (License #DC21727 in CA)

🟢
Initial NPI Registration & Enumeration October 18, 2006

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: 1982785853
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 18, 2006
Last Update: December 07, 2011
Sole Proprietor: No

Mailing Address

18124 Culver Dr, Ste G University Park Chiropractic

Irvine, CA 926122729

Phone: 9497868802

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.