Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David T. Carlson, MD

Family Medicine Physician in Watertown, SD · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1114985132

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Registry record

Entity type Individual (Type 1)

Name David T. Carlson

Credential MD

Sex Male

Practice address 506 1st Ave Se, Watertown, SD, 57201

Phone (605) 886-8482

Fax (605) 884-4300

Enumeration date May 1, 2006

Last updated in NPPES Aug 19, 2020

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 1283 (SD) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
5611350	Medicaid	SD	-

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for David Carlson?

The National Provider Identifier (NPI) for David Carlson is 1114985132, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Carlson practice?

The practice location on file with NPPES is in Watertown, SD. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-19.