Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David Phillip Sonnenburg, O.D.
Optometrist in Mishawaka, IN · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1760797120
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Registry record
Entity type Individual (Type 1)
Name Dr. David Phillip Sonnenburg
Credential O.D.
Sex Male
Practice address 230 E Day Rd Ste 100, Mishawaka, IN, 46545
Phone (574) 271-3939
Fax (574) 271-3941
Enumeration date Aug 10, 2010
Last updated in NPPES Jul 21, 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 |
|---|---|---|---|
| 201113290 | Medicaid | IN | - |
| 2044600006 | Other | IN | PTAN |
| P01171205 | Other | IN | MEDICARE RAILROAD |
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 David Sonnenburg?
The National Provider Identifier (NPI) for David Sonnenburg is 1760797120, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Sonnenburg practice?
The practice location on file with NPPES is in Mishawaka, IN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Joshua Conner Optometrist · Mishawaka, IN NPI 1952415689 Shannan Brown Optometrist · Mishawaka, IN NPI 1104023290 Timothy Blankenbeker Optometrist · Mishawaka, IN NPI 1316146798 Laura Cavadini Ophthalmology Physician · Mishawaka, IN NPI 1366854051 Hasan Salam Optometrist · Mishawaka, IN NPI 1225606163 Karly Gruett Optometrist · Mishawaka, IN NPI 1396599387 Frank Wang Optometrist · Mishawaka, IN NPI 1528800075
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.