Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mary Hoffmann Steel, AU.D,
Audiologist in East Lansing, MI · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891106654
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Registry record
Entity type Individual (Type 1)
Name Dr. Mary Hoffmann Steel
Credential AU.D,
Sex Female
Practice address 1500 Abbot Rd, East Lansing, MI, 48823
Phone (517) 332-0100
Enumeration date May 14, 2014
Last updated in NPPES May 27, 2026
Taxonomy & licenses
231H00000X Audiologist Speech, Language and Hearing Service Providers · License 1601000634 (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 Mary Steel?
The National Provider Identifier (NPI) for Mary Steel is 1891106654, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Steel practice?
The practice location on file with NPPES is in East Lansing, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → David Joseph Specialist · East Lansing, MI NPI 1871557462 Mark Lebeda Otolaryngology Physician · East Lansing, MI NPI 1679537278 Duane Smith Otolaryngology Physician · East Lansing, MI NPI 1215991336 Eric Goebel Otolaryngology Physician · East Lansing, MI NPI 1578527602 Mid Michigan Ear Nose and Throat PC Otolaryngology Physician · East Lansing, MI NPI 1326133398 Patrick Hennessey Otolaryngology Physician · East Lansing, MI NPI 1215146956 Ahmed Sufyan Otolaryngology/Facial Plastic Surgery Physician · East Lansing, MI NPI 1710148002 Jason Chesney Otolaryngology/Facial Plastic Surgery Physician · East Lansing, MI NPI 1407169535
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-27.