Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Othon Wiltz, M.D.

Colon & Rectal Surgery Physician in Fairfax, VA · enumerated 2005.

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

National Provider Identifier

1174525869

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Registry record

Entity type Individual (Type 1)

Name Othon Wiltz

Credential M.D.

Sex Male

Practice address 3620 Joseph Siewick Dr Ste 406, Fairfax, VA, 22033

Phone (703) 359-8640

Fax (703) 591-6105

Enumeration date Aug 11, 2005

Last updated in NPPES Jul 25, 2017

Taxonomy & licenses

208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians · License 0101240155 (VA) Primary

208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians · License 11687 (PR) Secondary

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
060957	Other	PR	LA CRUZ AZUL
601049	Other	PR	MMM
SE4019	Other	PR	PALIC
1174525869	Medicaid	VA	-
1400005	Other	PR	HUMANA
311678	Other	PR	CIGNA
7113	Other	PR	IMC
89937	Other	PR	SSS

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 Othon Wiltz?

Othon Wiltz is registered in NPPES with the primary taxonomy of Colon & Rectal 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 2017-07-25.