Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anton Peter Nielsen, M.D.

Cardiovascular Disease Physician in Houston, TX · enumerated 2006.

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

National Provider Identifier

1457315632

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Registry record

Entity type Individual (Type 1)

Name Anton Peter Nielsen

Credential M.D.

Sex Male

Practice address 18220 Tomball Pkwy, Suite 400, Houston, TX, 77070

Phone (713) 441-9909

Fax (713) 790-2643

Enumeration date Apr 14, 2006

Last updated in NPPES Aug 13, 2014

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 207RC0000X (TX) 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
P01309426	Other	TX	RR MEDICARE
G1493	Other	TX	PHYSICIAN LICENSE
114877706	Medicaid	TX	-
P01098536	Other	TX	RR MEDICARE
1457315632	Other	TX	BLUE CROSS BLUE SHIELD
8EE733	Other	TX	BLUE CROSS BLUE SHIELD
114877705	Medicaid	TX	-
114877704	Medicaid	TX	-

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

What specialty is Anton Nielsen?

Anton Nielsen is registered in NPPES with the primary taxonomy of Cardiovascular Disease Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-13.