Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Peg Hennessey Niehaus, P.C.

Q: What is the NPI number for Peg Niehaus?

The National Provider Identifier (NPI) for Peg Niehaus is 1598947954, a Type 1 (individual) record in the CMS NPPES registry.

Professional Counselor in Cincinnati, OH · enumerated 2007 · practices at Professional Pastoral-Counseling Institute.

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

National Provider Identifier

1598947954

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Registry record

Entity type Individual (Type 1)

Name Mrs. Peg Hennessey Niehaus

Credential P.C.

Sex Female

Practice address 8035 Hosbrook Rd, Suite 300, Cincinnati, OH, 45236

Phone (513) 791-5990

Fax (513) 792-3308

Enumeration date Nov 28, 2007

Last updated in NPPES Nov 28, 2007

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License C0500468 (OH) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Peg Niehaus?

The National Provider Identifier (NPI) for Peg Niehaus is 1598947954, a Type 1 (individual) record in the CMS NPPES registry.

Where does Peg Niehaus practice?

The practice location on file with NPPES is in Cincinnati, OH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-28.