Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sarah Tahvonen
Social Worker in Ionia, MI · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588013684
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Registry record
Entity type Individual (Type 1)
Name Sarah Tahvonen
Sex Female
Practice address 175 E Adams St, Ionia, MI, 48846
Phone (616) 527-5341
Fax (616) 527-8208
Enumeration date Jun 9, 2016
Last updated in NPPES Jun 9, 2016
Taxonomy & licenses
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 Sarah Tahvonen?
The National Provider Identifier (NPI) for Sarah Tahvonen is 1588013684, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sarah Tahvonen practice?
The practice location on file with NPPES is in Ionia, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Ionia County Health Department Public Health or Welfare Agency · Ionia, MI NPI 1639265606 Gwen Rubach Women's Health Nurse Practitioner · Ionia, MI NPI 1912095712 Planned Parenthood Centers of West Mi Ambulatory Family Planning Facility · Ionia, MI NPI 1316022429 Run2recovery Counseling Services Community/Behavioral Health Agency · Ionia, MI NPI 1174751432 Debra Thalison Addiction (Substance Use Disorder) Counselor · Ionia, MI NPI 1508214248
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-09.