Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jeffrey Alan Vonseggern, O.D.
Optometrist in Greenville, MI · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992795132
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Registry record
Entity type Individual (Type 1)
Name Dr. Jeffrey Alan Vonseggern
Credential O.D.
Sex Male
Practice address 101 S Lafayette St, Greenville, MI, 48838
Phone (616) 754-6300
Fax (616) 754-5009
Enumeration date Oct 27, 2005
Last updated in NPPES Feb 10, 2022
Taxonomy & licenses
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 |
|---|---|---|---|
| 201249427 | Other | MI | TAX ID |
| 900G011510 | Other | MI | BCBS OF MICHIGAN |
| P55978 | Other | MI | BCN |
| 230541 | Other | MI | NVA |
| 900F111210 | Other | MI | BCBS OF MICHIGAN |
| 202916337 | Other | MI | TAX ID |
| 4634180 | Medicaid | MI | - |
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 Jeffrey Vonseggern?
The National Provider Identifier (NPI) for Jeffrey Vonseggern is 1992795132, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jeffrey Vonseggern practice?
The practice location on file with NPPES is in Greenville, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-10.