IndividualActive
Mark Cooper, DDS
NPI 1912926411 · Dentist · Clearlake, CA
Mark Cooper, DDS is a Dentist provider in Clearlake, CA (NPI 1912926411).
Provider details
- NPI number
- 1912926411
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 23996 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
3560 Old Highway 53
Clearlake, CA 95422-9251
Phone: (707) 994-9414
Fax: (707) 994-6328
Street-level locationGet directions
Mailing address
15525 Rumsey Rd
Clearlake, CA 95422-9594
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Cooper's NPI number?
- Mark Cooper's National Provider Identifier (NPI) is 1912926411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Cooper's specialty?
- Mark Cooper is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Mark Cooper located?
- Mark Cooper's practice location on file with NPPES is 3560 Old Highway 53, Clearlake, CA 95422-9251.
- What is Mark Cooper's phone number?
- The practice phone number listed in the NPPES registry for Mark Cooper is (707) 994-9414.
- Is Mark Cooper's NPI active?
- Yes — Mark Cooper's NPI (1912926411) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.