Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Roger L Carter, MD

Surgery Physician in Watertown, SD · enumerated 2006.

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

National Provider Identifier

1225017809

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Registry record

Entity type Individual (Type 1)

Name Roger L Carter

Credential MD

Sex Male

Practice address 901 4th St Nw, Watertown, SD, 57201

Phone (605) 886-8471

Fax (605) 886-9317

Enumeration date Jan 12, 2006

Last updated in NPPES May 8, 2008

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 1729 (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
7300952	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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Roger Carter?

Roger Carter is registered in NPPES with the primary taxonomy of Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-08.