Jack F Mason MD Professional Corp
NPI 1609811314 · Optometrist · Ukiah, CA
Jack F Mason MD Professional Corp is a Optometrist organization in Ukiah, CA (NPI 1609811314).
Provider details
- NPI number
- 1609811314
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Jack Mason, President(707) 462-0581
Specialties & taxonomies
Eye and Vision Services Providers
- Ophthalmology Physician207W00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-06-17
- Last updated
- 2025-09-11
Frequently asked questions
- What is Jack F Mason MD Professional Corp's NPI number?
- Jack F Mason MD Professional Corp's National Provider Identifier (NPI) is 1609811314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jack F Mason MD Professional Corp?
- Jack F Mason MD Professional Corp is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Jack F Mason MD Professional Corp located?
- Jack F Mason MD Professional Corp's practice location on file with NPPES is 555 S Dora St, Ukiah, CA 95482-5424.
- What is Jack F Mason MD Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for Jack F Mason MD Professional Corp is (707) 462-0581.
- Who is the authorized official for Jack F Mason MD Professional Corp?
- The authorized official listed on Jack F Mason MD Professional Corp's NPPES record is Jack Mason, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jack F Mason MD Professional Corp's NPI active?
- Yes — Jack F Mason MD Professional Corp's NPI (1609811314) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.