What is William Clark's NPI number?

William Clark's National Provider Identifier (NPI) is 1922244524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Clark's specialty?

William Clark is listed in the NPPES registry with a primary specialty of Optician (Eye and Vision Services Providers).

Where is William Clark located?

William Clark's practice location on file with NPPES is 3984 Drexel Rd, Pittsburgh, PA 15212-1512.

What is William Clark's phone number?

The practice phone number listed in the NPPES registry for William Clark is (412) 761-2094.

Is William Clark's NPI active?

Yes — William Clark's NPI (1922244524) is active in the NPPES registry as of the last update on 2009-01-02.

IndividualActive

William Clark

NPI 1922244524 · Optician · Pittsburgh, PA

William Clark is a Optician provider in Pittsburgh, PA (NPI 1922244524).

Provider details

NPI number: 1922244524
Entity type: Individual
Primary specialty: OpticianEye and Vision Services Providers
Sex: Male
Sole proprietor: Yes

Practice location

3984 Drexel Rd

Pittsburgh, PA 15212-1512

Phone: (412) 761-2094

Street-level locationGet directions

More PA providers

Mailing address

3984 Drexel Rd

Pittsburgh, PA 15212-1512

Specialties & taxonomies

OpticianPrimary156FX1800X
Eye and Vision Services Providers

Profile Score

Detailed profile(80/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
17 yrs in NPPES registry
Profile completeness38% of score
83% 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: 2009-01-02
Last updated: 2009-01-02

Frequently asked questions

What is William Clark's NPI number?: William Clark's National Provider Identifier (NPI) is 1922244524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Clark's specialty?: William Clark is listed in the NPPES registry with a primary specialty of Optician (Eye and Vision Services Providers).
Where is William Clark located?: William Clark's practice location on file with NPPES is 3984 Drexel Rd, Pittsburgh, PA 15212-1512.
What is William Clark's phone number?: The practice phone number listed in the NPPES registry for William Clark is (412) 761-2094.
Is William Clark's NPI active?: Yes — William Clark's NPI (1922244524) is active in the NPPES registry as of the last update on 2009-01-02.

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