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MARIA ANN BITZER PMHNP-BC
NPI 1558348045
Nurse Practitioner - Psychiatric/Mental Health in High Ridge, MO

Active since December 27, 2005PECOS EnrolledAccepts Medicare Assignment
1817 GRAVOIS RD, HIGH RIDGE, MO 63049(844) 853-8937 Get Directions Write a Review

NPPES record last updated: May 13, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 13, 2025, Jul 6, 2023, May 25, 2023 and 1 more (4 updates tracked since 2016).

About Maria Ann Bitzer Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA ANN BITZER PMHNP-BC (NPI 1558348045) is an individual psychiatric/mental health provider in High Ridge, Missouri, licensed in Missouri (097105) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1558348045
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARIA ANN BITZERCredential: PMHNP-BC
Location Address1817 GRAVOIS RDHigh Ridge, MO 63049-2668
Mailing Address1800 CommunityClinton, MO 64735-8804
Phone(844) 853-8937
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateDecember 27, 2005
Last NPPES UpdateMay 13, 20254 updates tracked since enumeration
NPPES CertifiedMay 13, 2025
✔ NPI 1558348045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MO · 097105
Also ListedRegistered NurseTaxonomy 163W00000X · License 097105 (MO)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 097105 (MO)
1817 GRAVOIS RD, High Ridge, MO 63049
Open in Google Maps ↗

Other Identifiers 2

Medicaid425271707MO
Medicaid425271715MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Ann Bitzer Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981768488
PECOS Enrollment IDI20090128000327
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Maria Bitzer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Compass Health, Inc.
28 mi
Federally Qualified Health Center (FQHC)
1032 CROSSWINDS CT
Wentzville, MO 63385
  • Reassigned Medicare billing, Missouri enrollment
  • 968 clinicians in this Medicare group
NPI 1861618308 (636) 332-8310

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63049 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RACHEL KAPPELMANN
Case Manager/Care Coordinator
1817 GRAVOIS RD
HIGH RIDGE, MO 63049
Jefferson County (636) 376-0079
JULIE KELLEY LMSW
Social Worker
1817 GRAVOIS RD
HIGH RIDGE, MO 63049
Jefferson County (844) 853-8937
COMPASS HEALTH, INC
Clinic/Center (Federally Qualified Health Center (FQHC))
1817 GRAVOIS RD
HIGH RIDGE, MO 63049
Jefferson County (636) 376-0079
KIMBERLY VINYARD MA
Technician
1817 GRAVOIS RD
HIGH RIDGE, MO 63049
Jefferson County (636) 376-0079
TRAVON D PORTER LMSW
Social Worker
1817 GRAVOIS RD
HIGH RIDGE, MO 63049
Jefferson County (844) 853-8937
CRISTAL CUNNINGHAM
Registered Nurse
1817 GRAVOIS RD
HIGH RIDGE, MO 63049
Jefferson County (636) 376-0079
KRISTEN EFFAN LPC
Case Manager/Care Coordinator
1817 GRAVOIS RD
HIGH RIDGE, MO 63049
Jefferson County (636) 376-0079
SPENCER ACCARDI
Technician
1817 GRAVOIS RD
HIGH RIDGE, MO 63049
Jefferson County (636) 931-2700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Bitzer's NPI number?

The NPI number for Maria Bitzer is 1558348045. It was assigned to this individual provider in the NPPES registry on December 27, 2005.

Where is Maria Bitzer located?

Maria Bitzer practices at 1817 Gravois Rd, High Ridge, MO 63049. The listed phone number is (844) 853-8937.

What is Maria Bitzer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Maria Bitzer enrolled in Medicare?

Yes. Maria Bitzer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Maria Bitzer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Bitzer reassigns Medicare benefits to Compass Health, Inc. (Wentzville, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria Bitzer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Bitzer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 6 other insurers list Maria Bitzer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Maria Bitzer was last updated on May 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.