What is John Downing's NPI number?

John Downing's National Provider Identifier (NPI) is 1679639983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Downing's specialty?

John Downing is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is John Downing located?

John Downing's practice location on file with NPPES is 720 Grandview Rd, Sebastopol, CA 95472-2901.

What is John Downing's phone number?

The practice phone number listed in the NPPES registry for John Downing is (707) 829-1478.

Is John Downing's NPI active?

Yes — John Downing's NPI (1679639983) is active in the NPPES registry as of the last update on 2009-02-16.

IndividualActive

John Downing, OD PHD

NPI 1679639983 · Optometrist · Sebastopol, CA

John Downing, OD PHD is a Optometrist provider in Sebastopol, CA (NPI 1679639983).

Provider details

NPI number: 1679639983
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD PHD
Sex: Male
Sole proprietor: Yes
License: OPT4981TPA (CA)

Specialties & taxonomies

OptometristPrimary152W00000XLicense OPT4981TPA (CA)
Eye and Vision Services Providers

Profile Score

Detailed profile(90/100 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

720 Grandview Rd

Sebastopol, CA 95472-2901

Phone: (707) 829-1478

Fax: (707) 829-3444

Street-level locationGet directions

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Mailing address