What is William Springer's NPI number?

William Springer's National Provider Identifier (NPI) is 1407396138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Springer's specialty?

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

Where is William Springer located?

William Springer's practice location on file with NPPES is 3055 Loughborough Dr, Merced, CA 95348-1119.

What is William Springer's phone number?

The practice phone number listed in the NPPES registry for William Springer is (209) 384-0879.

Is William Springer's NPI active?

Yes — William Springer's NPI (1407396138) is active in the NPPES registry as of the last update on 2021-02-24.

IndividualActive

William Springer, O.D.

NPI 1407396138 · Optometrist · Merced, CA

William Springer, O.D. is a Optometrist provider in Merced, CA (NPI 1407396138).

Provider details

NPI number: 1407396138
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: Yes
License: OPT33632-TLG (CA)

Practice location

3055 Loughborough Dr

Merced, CA 95348-1119

Phone: (209) 384-0879

Approximate (ZIP-level) locationGet directions

More CA providers

Mailing address

922 W 20th St

Merced, CA 95340-3503

Specialties & taxonomies

OptometristPrimary152W00000XLicense OPT33632-TLG (CA)
Eye and Vision Services Providers

Additional practice locations (2)

1977 W Cleveland Ave
Madera, CA 93637-8705
Phone: (559) 661-4862
1101 Sanguinetti Rd
Sonora, CA 95370-6214
Phone: (209) 533-9433

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
9 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 documented practice locations

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: 2017-02-28
Last updated: 2021-02-24
Certified: 2021-02-24

Frequently asked questions

What is William Springer's NPI number?: William Springer's National Provider Identifier (NPI) is 1407396138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Springer's specialty?: William Springer is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
Where is William Springer located?: William Springer's practice location on file with NPPES is 3055 Loughborough Dr, Merced, CA 95348-1119.
What is William Springer's phone number?: The practice phone number listed in the NPPES registry for William Springer is (209) 384-0879.
Is William Springer's NPI active?: Yes — William Springer's NPI (1407396138) is active in the NPPES registry as of the last update on 2021-02-24.

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

Additional practice locations (2)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (2)

Profile Score

Frequently asked questions