DR. DOUGLAS D. TASSI O.D. NPI 1306840111

NPI Information

  • NPI: 1306840111
  • Provider Name: DR. DOUGLAS D. TASSI, O.D.
  • Classification: Optometrist - 152W00000X
  • Entity Type: Individual
  • Address: 2501 W 22ND ST
    SIOUX FALLS, SD
    ZIP 57105
  • Phone: (605) 336-3230

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NPI Details

DR. Douglas D. Tassi, O.D. is an optometrist in Sioux Falls, SD. 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. Douglas D. Tassi, O.D. NPI is 1306840111. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

2501 W 22ND ST
SIOUX FALLS, SD
ZIP 57105-305
Phone: (605) 336-3230

The enumeration date for this NPI number is 6/9/2005 and was last updated on 9/4/2008.

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
1152W00000XOptometrist1655IOWANo
2152W00000XOptometristT03000MISSOURINo
3152W00000XOptometrist1131NEBRASKANo
4152W00000XOptometrist649SOUTH DAKOTAYes

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
1I7455MEDICARE ID-TYPE UNSPECIFIEDIOWA
25119065MEDICAIDIOWA
39200754MEDICAIDSOUTH DAKOTA
4410001618MEDICARE ID-TYPE UNSPECIFIEDMINNESOTA
59200753MEDICAIDSOUTH DAKOTA
69200752MEDICAIDSOUTH DAKOTA
73119065MEDICAIDIOWA
8T01287MEDICARE UPIN
94119065MEDICARE ID-TYPE UNSPECIFIEDIOWA
10298638800MEDICAIDMINNESOTA
118538MEDICARE ID-TYPE UNSPECIFIEDSOUTH DAKOTA
129200750MEDICAIDSOUTH DAKOTA
1346044447400MEDICAIDNEBRASKA
1410025032100MEDICAIDNEBRASKA

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

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