IndividualActive
Carol Ash, R.D.H.
NPI 1689957235 · Dental Hygienist · Fairfield, CA
Carol Ash, R.D.H. is a Dental Hygienist provider in Fairfield, CA (NPI 1689957235).
Provider details
- NPI number
- 1689957235
- Entity type
- Individual
- Primary specialty
- Dental HygienistDental Providers
- Credential
- R.D.H.
- Sex
- Female
- Sole proprietor
- No
- License
- RDH2127 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2101 Courage Dr
Fairfield, CA 94533-6717
Phone: (707) 784-2120
Street-level locationGet directions
Mailing address
1036 Austin Way
Napa, CA 94558-4203
Registry dates
- Enumerated
- 2011-09-20
- Last updated
- 2011-09-20
Frequently asked questions
- What is Carol Ash's NPI number?
- Carol Ash's National Provider Identifier (NPI) is 1689957235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Ash's specialty?
- Carol Ash is listed in the NPPES registry with a primary specialty of Dental Hygienist (Dental Providers).
- Where is Carol Ash located?
- Carol Ash's practice location on file with NPPES is 2101 Courage Dr, Fairfield, CA 94533-6717.
- What is Carol Ash's phone number?
- The practice phone number listed in the NPPES registry for Carol Ash is (707) 784-2120.
- Is Carol Ash's NPI active?
- Yes — Carol Ash's NPI (1689957235) is active in the NPPES registry as of the last update on 2011-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.