Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Margaret Ann Larsen, AU.D.
Audiologist in Hastings, MI · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1508001769
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Registry record
Entity type Individual (Type 1)
Name Dr. Margaret Ann Larsen
Credential AU.D.
Sex Female
Practice address 1761 W M 43 Hwy, Hastings, MI, 49058
Phone (269) 945-3888
Fax (269) 945-2112
Enumeration date Dec 2, 2008
Last updated in NPPES Dec 15, 2009
Taxonomy & licenses
231H00000X Audiologist Speech, Language and Hearing Service Providers · License 1601000532 (MI) Primary
AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders.
About the AUD 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.
Frequently asked questions
Is NPI 1508001769 active?
Yes, as of the latest NPPES snapshot, NPI 1508001769 is active (record last updated 2009-12-15).
How do I verify Margaret Larsen's NPI record?
Cross-check NPI 1508001769 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all → Ann Hemmeke Optometrist · Hastings, MI NPI 1659334621 Creekside Vision & Hearing, Plc Specialist · Hastings, MI NPI 1508829573 Kimberly Norris Ophthalmology Physician · Hastings, MI NPI 1659335305 David Harrell Ophthalmology Physician · Hastings, MI NPI 1902860661 Eye & Ent Specialists Hearing Aid Equipment · Hastings, MI NPI 1912118563 Eye & Ent Specialists Eyewear Supplier · Hastings, MI NPI 1194936740
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-12-15.