Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nancy Y Olson, MD

Pediatric Rheumatology Physician in Overland Park, KS · enumerated 2006 · practices at Arckc LLC.

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

National Provider Identifier

1265543466

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Registry record

Entity type Individual (Type 1)

Name Nancy Y Olson

Credential MD

Sex Female

Practice address 8401 W 125th St, Overland Park, KS, 66213

Phone (913) 338-3222

Fax (913) 338-3227

Enumeration date Aug 31, 2006

Last updated in NPPES Jan 17, 2013

Taxonomy & licenses

207K00000X Allergy & Immunology Physician Allopathic & Osteopathic Physicians · License 0422254 (KS) Secondary

2080P0201X Pediatric Allergy/Immunology Physician Allopathic & Osteopathic Physicians · License 0422254 (KS) Secondary

2080P0216X Pediatric Rheumatology Physician Allopathic & Osteopathic Physicians · License 0422254 (KS) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

How do I verify Nancy Olson's NPI record?

Cross-check NPI 1265543466 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1265543466 active?

Yes, as of the latest NPPES snapshot, NPI 1265543466 is active (record last updated 2013-01-17).

Other providers at this practice address

Browse all →

James Anderson Rheumatology Physician · Overland Park, KS NPI 1801892377 Aruna Baratham Rheumatology Physician · Overland Park, KS NPI 1518989557 Arckc LLC Rheumatology Physician · Overland Park, KS NPI 1861756041

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-17.