NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dorothy M. Herzing, LICSW

Clinical Social Worker in Winona, MN · enumerated 2006 · practices at Home and Community Options, Inc..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1659432912

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dorothy M. Herzing
Credential LICSW
Sex Female
Practice address 66 E 3rd St, 201, Winona, MN, 55987
Phone (507) 452-7292
Fax (507) 457-9887
Enumeration date Dec 12, 2006
Last updated in NPPES Nov 30, 2011

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 8677 (MN) Primary
101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 00452 (MN) Secondary

Other identifiers

Identifier Type State Issuer
974T8HE Other MN BCBS-MN
731291012005 Other MN PREFERRED ONE
118046 Medicaid MN -
529757500 Medicaid MN -
HP32678 Other MN HEALTHPARTNERS

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Dorothy Herzing?
The National Provider Identifier (NPI) for Dorothy Herzing is 1659432912, a Type 1 (individual) record in the CMS NPPES registry.
Where does Dorothy Herzing practice?
The practice location on file with NPPES is in Winona, MN. 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 2011-11-30.