Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1124159918 Individual Practitioner Male Practitioner

Dr. Richard Ashworth Duff , DC

Chiropractor • San Francisco, CA

Professional Overview & Biography Verified Profile Summary

Dr. Richard Duff, DC is a registered healthcare professional specializing in Chiropractor in San Francisco, CA. Practice services are available at 2001 UNION ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

2001 Union St
Suite # 105

San Francisco, CA 941234114

Telephone 4155630603
Fax 4155631110
Associated Practice Facility / Clinic
🏢 Richard F Bronson Dds Inc Facility NPI 1790731131

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in San Francisco, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.1 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
338 Specialists

Practicing in San Francisco, 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 DC20576

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

25 Associated Practitioners
Dr. Mana Jamali , DMD

Dentist - Orthodontics and Dentofacial Orthopedics

NPI 1033265368

Doctor of Dental Medicine

Dr. David Ramirez , DDS

Dentist - General Practice

NPI 1124157136

Doctor of Dental Surgery

Dr. Anthony Maniscalco , DDS

Dentist - General Practice

NPI 1154423663

Doctor of Dental Surgery

NPI 1245525187

JOHANNAACHURYDDS

Dr. Derek Penn , DDS

Dentist - General Practice

NPI 1265693782

Doctor of Dental Surgery

NPI 1336228436

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 2001 UNION ST, SUITE # 105, SAN FRANCISCO, CA 941234114 (Tel: 4155630603)

📍
Updated Business Mailing Address July 08, 2007

Registered at 2001 UNION ST, SUITE # 105, SAN FRANCISCO, CA 941234114 (Tel: 4155630603)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as RICHARD DUFF, D.C.

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

Chiropractor (License #DC20576 in CA)

🟢
Initial NPI Registration & Enumeration March 07, 2007

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: 1124159918
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 07, 2007
Last Update: July 08, 2007
Sole Proprietor: Yes

Mailing Address

2001 Union St, Suite # 105

San Francisco, CA 941234114

Phone: 4155630603

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.