Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Erin A Tobin, CNP
Nurse Practitioner in Gregory, SD · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235430042
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Registry record
Entity type Individual (Type 1)
Name Mrs. Erin A Tobin
Credential CNP
Sex Female
Practice address 405 Whittecar Ave, Gregory, SD, 57533
Phone (605) 835-9611
Fax (605) 835-8033
Enumeration date Nov 10, 2010
Last updated in NPPES Feb 3, 2016
Taxonomy & licenses
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 111190 (NE) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License CP000625 (SD) Primary
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 Erin Tobin?
The National Provider Identifier (NPI) for Erin Tobin is 1235430042, a Type 1 (individual) record in the CMS NPPES registry.
Where does Erin Tobin practice?
The practice location on file with NPPES is in Gregory, SD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-03.