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Deactivated NPI 1841282431 Deactivated / Inactive NPI Male Practitioner

Dr. Mark L Duell , DC

Chiropractor • Santa Barbara, CA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Mark Duell has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date August 18, 2005
NPI Deactivation Date March 25, 2006
Total Practice Duration ~1 Years of Practice (2005 – 2006)

Professional Overview & Biography Verified Profile Summary

Dr. Mark Duell, DC was a registered Chiropractor practicing in Santa Barbara, CA. Throughout an active medical career spanning 1 years, Dr. Duell provided care at the practice location at 5350 HOLLISTER AVE until profile deactivation on 2006-03-25.

Practice Location & Contact Primary Location

Practice Address

5350 Hollister Ave

Santa Barbara, CA 931112326

Telephone 8059673409
Fax 8059673401
Associated Practice Facility / Clinic
🏢 Hope Counseling Center Facility NPI 1760584700

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Santa Barbara, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 29.5 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
100 Specialists

Practicing in Santa Barbara, 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 16347

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.

Practice Associates & Co-Workers

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

1 Associated Practitioners
NPI 1427274422

Doctor of Chiropractic

Career & Practice History Timeline

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

7 Historical Events
📍
Updated Practice Location July 08, 2007

Registered at 5350 HOLLISTER AVE, SANTA BARBARA, CA 931112326 (Tel: 8059673409)

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Updated Business Mailing Address July 08, 2007

Registered at 5350 HOLLISTER AVE, SANTA BARBARA, CA 931112326 (Tel: 8059673409)

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Provider Name / Credentials Updated July 08, 2007

Recorded as MARK DUELL, DC

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Chiropractor (License #16347 in CA)

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NPI Profile Reactivated March 31, 2006

Record officially reactivated for active practice on March 31, 2006

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NPI Profile Deactivated March 25, 2006

Record deactivated on March 25, 2006

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Initial NPI Registration & Enumeration August 18, 2005

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: 1841282431
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 18, 2005
Last Update: July 13, 2026
Deactivation Date: March 25, 2006
Sole Proprietor: No

Mailing Address

5350 Hollister Ave

Santa Barbara, CA 931112326

Phone: 8059673409

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.