1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Chiropractor
  6. NPI Profile

DR. RICHARD ASHWORTH DUFF D.C.
NPI 1124159918
Chiropractor in San Francisco, CA

Active since March 07, 2007
2001 UNION ST, SUITE # 105, SAN FRANCISCO, CA 94123(415) 563-0603(415) 563-1110 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Richard Ashworth Duff D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RICHARD ASHWORTH DUFF D.C. (NPI 1124159918) is an individual chiropractor in San Francisco, California, licensed in California (DC20576) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1124159918
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. RICHARD ASHWORTH DUFFCredential: D.C.
Location Address2001 UNION ST, SUITE # 105San Francisco, CA 94123-4114
Mailing Address2001 Union St, Suite # 105San Francisco, CA 94123-4114 · (415) 563-0603 · Fax (415) 563-1110
Phone(415) 563-0603
Fax(415) 563-1110
Sole ProprietorYes
Enumeration DateMarch 7, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1124159918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · DC20576
Definition
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.
2001 UNION ST, San Francisco, CA 94123
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MANA JAMALI DMD
Dentist (Orthodontics and Dentofacial Orthopedics)
2001 UNION ST, #690
SAN FRANCISCO, CA 94123
San Francisco County (415) 921-9292
PORIYA DOKHANCHI, DDS, APC
Dentist (General Practice)
2001 UNION ST, #690
SAN FRANCISCO, CA 94123
San Francisco County (415) 921-9210
DR. DAVID RAMIREZ DDS
Dentist (General Practice)
2001 UNION ST, SUITE 430
SAN FRANCISCO, CA 94123
San Francisco County (415) 921-2700
DR. ANTHONY ROGER MANISCALCO D.D.S.
Dentist (General Practice)
2001 UNION ST, SUITE 370
SAN FRANCISCO, CA 94123
San Francisco County (415) 567-0997
JOHANNA ACHURY-PEARSON JOHANNA ACHURY DDS
Dentist (General Practice)
2001 UNION ST, SUITE 664
SAN FRANCISCO, CA 94123
San Francisco County (415) 347-8995
DR. DEREK STEVEN PENN D.D.S.
Dentist (General Practice)
2001 UNION ST, 345
SAN FRANCISCO, CA 94123
San Francisco County (415) 563-1511
DR. SAMUEL FRED ELLISON MD
Dermatology
2001 UNION ST, SUITE 520
SAN FRANCISCO, CA 94123
San Francisco County (415) 922-3344
ALEXANDER CHUKREEFF
Dentist (General Practice)
2001 UNION ST, SUITE 500
SAN FRANCISCO, CA 94123
San Francisco County (415) 563-8123

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Richard Duff's NPI number?

The NPI number for Richard Duff is 1124159918. It was assigned to this individual provider in the NPPES registry on March 7, 2007.

Where is Richard Duff located?

Richard Duff practices at 2001 Union St Suite # 105, San Francisco, CA 94123. The listed phone number is (415) 563-0603.

What is Richard Duff's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for Richard Duff was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.