Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Andrew E Sassaman, OD

Optometrist in Decorah, IA · enumerated 2006.

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

National Provider Identifier

1881659001

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Registry record

Entity type Individual (Type 1)

Name Dr. Andrew E Sassaman

Credential OD

Sex Male

Practice address 1830 State Highway 9, Decorah, IA, 52101

Phone (563) 382-2639

Enumeration date Apr 19, 2006

Last updated in NPPES Apr 24, 2015

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 02177 (IA) Primary

152W00000X Optometrist Eye and Vision Services Providers · License 3132 (MN) Secondary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
19525	Other	IA	GROUP BCBS
0212225	Medicaid	IA	-
19525	Other	IA	GROUP
22032	Other	IA	BCBS
0195255	Medicaid	IA	-

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 1881659001 active?

Yes, as of the latest NPPES snapshot, NPI 1881659001 is active (record last updated 2015-04-24).

How do I verify Andrew Sassaman's NPI record?

Cross-check NPI 1881659001 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 2015-04-24.