Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Maria Ann Bitzer, PMHNP-BC

Q: What is the NPI number for Maria Bitzer?

The National Provider Identifier (NPI) for Maria Bitzer is 1558348045, a Type 1 (individual) record in the CMS NPPES registry.

Psychiatric/Mental Health Nurse Practitioner in High Ridge, MO · enumerated 2005 · practices at Compass Health, Inc.

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

National Provider Identifier

1558348045

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Registry record

Entity type Individual (Type 1)

Name Maria Ann Bitzer

Credential PMHNP-BC

Sex Female

Practice address 1817 Gravois Rd, High Ridge, MO, 63049

Phone (844) 853-8937

Enumeration date Dec 27, 2005

Last updated in NPPES May 13, 2025

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 097105 (MO) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 097105 (MO) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 097105 (MO) Primary

Other identifiers

Identifier	Type	State	Issuer
425271707	Medicaid	MO	-
425271715	Medicaid	MO	-

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

Where does Maria Bitzer practice?

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

What is the NPI number for Maria Bitzer?

The National Provider Identifier (NPI) for Maria Bitzer is 1558348045, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-13.