Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Margaret Kristen Kroll, AU.D.
Audiologist in Traverse City, MI · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386996270
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Registry record
Entity type Individual (Type 1)
Name Mrs. Margaret Kristen Kroll
Credential AU.D.
Sex Female
Practice address 1105 Sixth St, Suite 103, Traverse City, MI, 49684
Phone (703) 408-5346
Enumeration date Oct 3, 2012
Last updated in NPPES Oct 11, 2012
Taxonomy & licenses
231H00000X Audiologist Speech, Language and Hearing Service Providers · License 1601000619 (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
What is the NPI number for Margaret Kroll?
The National Provider Identifier (NPI) for Margaret Kroll is 1386996270, a Type 1 (individual) record in the CMS NPPES registry.
Where does Margaret Kroll practice?
The practice location on file with NPPES is in Traverse City, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Kersti Bruining Neurology Physician · Traverse City, MI NPI 1558364315 Diane Parsons Specialist · Traverse City, MI NPI 1548263395 Richard Entz Internal Medicine Physician · Traverse City, MI NPI 1407854185 Amy Robertson Internal Medicine Physician · Traverse City, MI NPI 1437142791 Douglas Gentry Family Medicine Physician · Traverse City, MI NPI 1245224435 Alyson Booth Anatomic Pathology & Clinical Pathology Physician · Traverse City, MI NPI 1013903848 Kerry Kole Surgery Physician · Traverse City, MI NPI 1912996166 Craig Mccardell Pain Medicine (Anesthesiology) Physician · Traverse City, MI NPI 1821072802
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-11.