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Dr. Douglas D Sea, D.C.

Dr. Douglas D Sea is a Chiropractor provider (Chiropractor) practicing in Sioux Falls, SD, registered in the NPPES registry with NPI 1346216264 since 2006. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1346216264
Entity type Individual (Type 1)
Name Dr. Douglas D Sea
Credential D.C.
Sex Male
Practice address Sioux Falls, SD, 57106
Phone 6053616706
Fax 6053628907
Enumeration date 2006-02-28
Last updated in NPPES 2007-10-18

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
111N00000X Chiropractor Primary 679 SD

DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Copy-ready billing details
Provider: Douglas Sea, D.C.
NPI: 1346216264
Taxonomy: 111N00000X (Chiropractor)
Address: Sioux Falls, SD, 57106

Other providers at this practice address

NPI Name Type Specialty Location
1174737662 Sea Chiropractic Organization Chiropractor Sioux Falls, SD
1689943714 Sea Chiropractic Prof LLC Organization Chiropractor Sioux Falls, SD

Verify this record

Cross-check NPI 1346216264 against the authoritative CMS record: view Dr. Douglas D Sea on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Douglas Sea?
The National Provider Identifier (NPI) for Douglas Sea is 1346216264, a Type 1 (individual) record in the CMS NPPES registry.
Where does Douglas Sea practice?
The practice location on file with NPPES is in Sioux Falls, SD. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-10-18.