Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Dennis Marvin Eicher, D. O.

Family Medicine Physician in New Castle, CO · enumerated 2006.

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

National Provider Identifier

1447352422

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Registry record

Entity type Individual (Type 1)

Name Mr. Dennis Marvin Eicher

Credential D. O.

Sex Male

Practice address 820 Castle Valley Blvd, Suite 210, New Castle, CO, 81647

Phone (970) 984-0651

Fax (970) 984-0402

Enumeration date Sep 1, 2006

Last updated in NPPES Dec 28, 2011

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 22427 (CO) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
01224278	Medicaid	CO	-
EI198728	Other	-	BCBS INDIVIDUAL
EI198728	Other	CO	BCBS INDIVIDUAL #

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 specialty is Dennis Eicher?

Dennis Eicher is registered in NPPES with the primary taxonomy of Family Medicine 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 2011-12-28.