Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Karl Martin Larsen, MD

Orthopaedic Hand Surgery Physician in Colorado Springs, CO · enumerated 2005 · practices at Colorado Center of Orthopaedic Excellence Inc.

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

National Provider Identifier

1437131547

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Registry record

Entity type Individual (Type 1)

Name Dr. Karl Martin Larsen

Credential MD

Sex Male

Practice address 2446 Research Pkwy, Suite 200, Colorado Springs, CO, 80920

Phone (719) 623-1050

Fax (719) 623-1052

Enumeration date Nov 15, 2005

Last updated in NPPES Nov 3, 2014

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 41401 (KY) Secondary

207XS0106X Orthopaedic Hand Surgery Physician Allopathic & Osteopathic Physicians · License 41401 (KY) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 43404 (CO) Secondary

207XS0106X Orthopaedic Hand Surgery Physician Allopathic & Osteopathic Physicians · License 43404 (CO) 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
68003561	Medicaid	CO	-
7100048560	Medicaid	KY	-

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

Is NPI 1437131547 active?

Yes, as of the latest NPPES snapshot, NPI 1437131547 is active (record last updated 2014-11-03).

How do I verify Karl Larsen's NPI record?

Cross-check NPI 1437131547 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-11-03.