RICHARD N. HANSEN MD – NPI #1770579401
Internal Medicine

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Health Care Provider Taxonomy Code for Internal Medicine

RICHARD HANSEN is a physician located in LITTLETON, CO. NPPES has assigned the NPI number 1770579401 to RICHARD HANSEN on September 27, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RG0100X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Gastroenterology

The NPI profile was last updated on Apr 19, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for RICHARD HANSEN below.

The provider associated with this NPI number, 1770579401, has been excluded by the Office of Inspector General.

Those that are excluded can receive no payment from Federal healthcare programs for any items or services they furnish, order, or prescribe. This includes those that provide health benefits funded directly or indirectly by the United States (other than the Federal Employees Health Benefits Plan). Office of Inspector General

NPI Profile for
RICHARD N. HANSEN

NPI Number
1770579401
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
RICHARD N. HANSEN
Credentials
MD
Primary location
1001 SOUTHPARK DR
LITTLETON, CO 80120-5641
Phone: (303) 722-8987 Fax: (303) 722-2935
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Identifiers

Identifiers for RICHARD HANSEN

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherRAILROAD MEDICARECO100004378
medicaidCO01191311
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RG0100X
- Internal Medicine / Gastroenterology (Primary)		 CO 19131

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.