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JACK F MASON MD PROFESSIONAL CORP
NPI 1609811314
Optometrist in Ukiah, CA

Active since June 17, 2006
555 S DORA ST, UKIAH, CA 95482(707) 462-0581(707) 463-0814 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Jack F Mason Md Professional Corp NPPES

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

JACK F MASON MD PROFESSIONAL CORP (NPI 1609811314) is a healthcare organization registered as an optometrist in Ukiah, California and active in the NPI registry since June 2006. The organization lists Jack F Mason, President, as its authorized official.

NPPES Registry Identity

NPI1609811314
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameJACK F MASON MD PROFESSIONAL CORP
Location Address555 S DORA STUkiah, CA 95482-5424
Mailing Address555 S Dora StUkiah, CA 95482-5424 · (707) 462-0581 · Fax (707) 463-0814
Phone(707) 462-0581
Fax(707) 463-0814
Organization SubpartNo
Authorized OfficialJack F MasonPresident · (707) 462-0581
Enumeration DateJune 17, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1609811314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
Also ListedOphthalmologyTaxonomy 207W00000X
555 S DORA ST, Ukiah, CA 95482
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Other Identifiers 1

MedicaidGR0080990CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

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

DR. ERIK STEPHEN CABRAL M.D.
Dermatology (MOHS-Micrographic Surgery)
555 S DORA ST
UKIAH, CA 95482
Mendocino County (707) 462-3996
MRS. CHRISTINE DALVA FNP, RN, PHN
Nurse Practitioner (Family)
555 S DORA ST
UKIAH, CA 95482
Mendocino County (707) 462-3996

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 Jack F Mason MD Professional Corp's NPI number?

The NPI number for Jack F Mason MD Professional Corp is 1609811314. It was assigned to this organization in the NPPES registry on June 17, 2006.

Where is Jack F Mason MD Professional Corp located?

Jack F Mason MD Professional Corp is located at 555 S Dora St, Ukiah, CA 95482. The listed phone number is (707) 462-0581.

What is Jack F Mason MD Professional Corp's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

When was this NPI record last updated?

The NPPES record for Jack F Mason MD Professional Corp was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.