Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CYNTHIA MARY RUFF DDS
NPI 1336142322
Dentist - General Practice in Fairfield, CA

Q: What is Cynthia Ruff's NPI number?

The NPI number for Cynthia Ruff is 1336142322. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Q: What is Cynthia Ruff's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Cynthia Ruff was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.

Active since May 23, 2005

690 E TABOR AVE, STE C, FAIRFIELD, CA 94533(707) 427-3100(707) 427-3101 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Cynthia Mary Ruff Dds NPPES

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

DR. CYNTHIA MARY RUFF DDS (NPI 1336142322) is an individual general practice provider in Fairfield, California, licensed in California (29098) and active in the NPI registry since May 2005.

NPPES Registry Identity

NPI1336142322

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameDR. CYNTHIA MARY RUFFCredential: DDS

Location Address690 E TABOR AVE, STE CFairfield, CA 94533-4079

Mailing Address690 E Tabor Ave, Ste CFairfield, CA 94533-4079 · (707) 427-3100 · Fax (707) 427-3101

Phone(707) 427-3100

Fax(707) 427-3101

Sole ProprietorYes

Enumeration DateMay 23, 2005

Last NPPES UpdateJuly 5, 2026

✔ NPI 1336142322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · 29098

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

690 E TABOR AVE, Fairfield, CA 94533

Open in Google Maps ↗

Other Providers at the Same Location NPPES

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

NORTHBAY FAMILY COMPOUNDING PHARMACY LLC

Pharmacy (Compounding Pharmacy)

690 E TABOR AVE, SUITE H
FAIRFIELD, CA 94533

Solano County (707) 421-1117

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 Cynthia Ruff's NPI number?

The NPI number for Cynthia Ruff is 1336142322. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is Cynthia Ruff located?

Cynthia Ruff practices at 690 E Tabor Ave Ste C, Fairfield, CA 94533. The listed phone number is (707) 427-3100.

What is Cynthia Ruff's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Cynthia Ruff was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.