Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Ann S Wierwille MD Inc

Q: What type of organization is Ann S Wierwille MD Inc?

Ann S Wierwille MD Inc is registered in NPPES as a Psychoanalyst (its primary provider taxonomy).

Psychoanalyst in Cincinnati, OH · enumerated 2010 · authorized official Ann Wierwille, President.

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

National Provider Identifier

1821314436

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Registry record

Entity type Organization (Type 2)

Legal business name Ann S Wierwille MD Inc

Practice address 3001 Highland Ave, Cincinnati, OH, 45219

Phone (513) 961-7799

Fax (513) 961-1530

Enumeration date Apr 8, 2010

Last updated in NPPES Apr 9, 2010

Taxonomy & classification

102L00000X Psychoanalyst Behavioral Health & Social Service Providers · License 35026037 (OH) Primary

Authorized official

Name Ann Wierwille

Title President

Phone (513) 961-7799

Other identifiers

Identifier	Type	State	Issuer
WI0485591	Other	OH	MEDICARE PROVIDER NUMBER

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Ann S Wierwille MD Inc?

Ann S Wierwille MD Inc is registered in NPPES as a Psychoanalyst (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-09.