DR. WILLIAM JOHN SHAFFER O.D. NPI 1457451031

NPI Information

  • NPI: 1457451031
  • Provider Name: DR. WILLIAM JOHN SHAFFER, O.D.
  • Classification: Optometrist - 152W00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 340 S 5TH ST
    OXNARD, CA
    ZIP 93030
  • Phone: (805) 487-6363

Map and Directions

Get Directions

NPI Details

DR. William John Shaffer, O.D. is an optometrist in Oxnard, CA with 53 years of experience. The provider is 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. DR. William John Shaffer, O.D. NPI is 1457451031. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: SOUTHERN COLLEGE OF OPTOMETRY
Graduation Year:1973

The provider's business location address is:

340 S 5TH ST
OXNARD, CA
ZIP 93030-043
Phone: (805) 487-6363
Fax: (805) 486-9698

The NPI 1457451031 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA).

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Extended exam of the back part of the eye with retinal drawing (HCPCS:92201)
  • Exam of visual field with extended testing (HCPCS:92083)
  • Imaging of optic nerve (HCPCS:92133)
  • Established patient complete exam of visual system (HCPCS:92014)
  • New patient complete exam of visual system (HCPCS:92004)
  • Established patient problem focused exam of visual system (HCPCS:92012)
  • Evaluation of eye adaptation to light and dark (HCPCS:92284)

The enumeration date for this NPI number is 9/24/2006 and was last updated on 5/14/2008.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1152W00000XOptometrist5774TCALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
10961940001MEDICARE NSCCALIFORNIA
2T70062MEDICARE UPINCALIFORNIA
3000070037MEDICARE ID-TYPE UNSPECIFIEDCALIFORNIASUBMITTER NUMBER
4SD0057742MEDICAIDCALIFORNIA
5OP5774MEDICARE PINCALIFORNIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.