JOHN CHARLES DOWNING OD PHD
NPI 1679639983
Optometrist in Sebastopol, CA

Q: What is John Downing's NPI number?

The NPI number for John Downing is 1679639983. It was assigned to this individual provider in the NPPES registry on December 29, 2006.

Q: What is John Downing's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Downing was last updated on February 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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 December 29, 2006

720 GRANDVIEW RD, SEBASTOPOL, CA 95472(707) 829-1478(707) 829-3444 Get Directions Write a Review

NPPES record last updated: February 16, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About John Charles Downing Od Phd NPPES

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

JOHN CHARLES DOWNING OD PHD (NPI 1679639983) is an individual optometrist in Sebastopol, California, licensed in California (OPT4981TPA) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1679639983

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameJOHN CHARLES DOWNINGCredential: OD PHD

Location Address720 GRANDVIEW RDSebastopol, CA 95472-2901

Mailing Address720 Grandview RdSebastopol, CA 95472-2901 · (707) 829-1478 · Fax (707) 829-3444

Phone(707) 829-1478

Fax(707) 829-3444

Sole ProprietorYes

Enumeration DateDecember 29, 2006

Last NPPES UpdateFebruary 16, 2009

✔ NPI 1679639983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CA · OPT4981TPA

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.

720 GRANDVIEW RD, Sebastopol, CA 95472

Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedSD0049810CA

Other9841Pin

Medicaid0049810CA

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 John Downing's NPI number?

The NPI number for John Downing is 1679639983. It was assigned to this individual provider in the NPPES registry on December 29, 2006.

Where is John Downing located?

John Downing practices at 720 Grandview Rd, Sebastopol, CA 95472. The listed phone number is (707) 829-1478.

What is John Downing'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 John Downing was last updated on February 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.