What is William Cox's NPI number?

William Cox's National Provider Identifier (NPI) is 1992778443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Cox's specialty?

William Cox is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is William Cox located?

William Cox's practice location on file with NPPES is 1200 Hilyard St, Eugene, OR 97401-8122.

What is William Cox's phone number?

The practice phone number listed in the NPPES registry for William Cox is (541) 687-6257.

Does William Cox accept Medicare?

William Cox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is William Cox's NPI active?

Yes — William Cox's NPI (1992778443) is active in the NPPES registry as of the last update on 2012-07-03.

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William Cox, M.D.

NPI 1992778443 · Ophthalmology Physician · Eugene, OR

William Cox, M.D. is a Ophthalmology Physician provider in Eugene, OR (NPI 1992778443).

Provider details

NPI number: 1992778443
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: MD11175 (OR)

Practice location

1200 Hilyard St

Suite 110

Eugene, OR 97401-8122

Phone: (541) 687-6257

Fax: (541) 687-2116

Street-level locationGet directions

More OR providers

Mailing address

Po Box 24410

Eugene, OR 97402-0451

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense MD11175 (OR)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

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
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.

Enumerated: 2006-02-07
Last updated: 2012-07-03

Frequently asked questions

What is William Cox's NPI number?: William Cox's National Provider Identifier (NPI) is 1992778443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Cox's specialty?: William Cox is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
Where is William Cox located?: William Cox's practice location on file with NPPES is 1200 Hilyard St, Eugene, OR 97401-8122.
What is William Cox's phone number?: The practice phone number listed in the NPPES registry for William Cox is (541) 687-6257.
Does William Cox accept Medicare?: William Cox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is William Cox's NPI active?: Yes — William Cox's NPI (1992778443) is active in the NPPES registry as of the last update on 2012-07-03.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions