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MRS. MARY ELIZABETH ORRIS NP
NPI 1194966572
Nurse Practitioner in Ellisville, MO

Active since March 16, 2009PECOS Enrolled
233 CLARKSON RD, ELLISVILLE, MO 63011(636) 256-8644 Get Directions Write a Review

NPPES record last updated: March 16, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Mary Elizabeth Orris Np NPPES

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

MRS. MARY ELIZABETH ORRIS NP (NPI 1194966572) is an individual nurse practitioner in Ellisville, Missouri, licensed in Missouri (NPC151135) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194966572
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MARY ELIZABETH ORRISCredential: NP
Location Address233 CLARKSON RDEllisville, MO 63011-2219
Mailing Address233 Clarkson RdEllisville, MO 63011-2219 · (636) 256-8644
Phone(636) 256-8644
Sole ProprietorNo
Enumeration DateMarch 16, 2009
✔ NPI 1194966572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MO · NPC151135
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
233 CLARKSON RD, Ellisville, MO 63011
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Mary Elizabeth Orris Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Mary Orris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mark A.Scheperle, Inc.
13 mi
Internal Medicine
1520 S BRENTWOOD BLVD
Saint Louis, MO 63144
  • Reassigned Medicare billing, Missouri enrollment
  • 5 clinicians in this Medicare group
NPI 1063484434 (314) 862-7711

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 63011 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 11

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

MRS. LISA MUNCH N.P.
Nurse Practitioner (Family)
233 CLARKSON RD
ELLISVILLE, MO 63011
St. Louis County (636) 256-8644
AUDREY HEATH FNP-C
Nurse Practitioner (Family)
233 CLARKSON RD
ELLISVILLE, MO 63011
St. Louis County (636) 256-8644
DR. TAMMY L. MARTIN M.D.
Emergency Medicine
233 CLARKSON RD
ELLISVILLE, MO 63011
St. Louis County (636) 256-8644
MRS. BARBARA E PINE FNP
Nurse Practitioner (Family)
233 CLARKSON RD
ELLISVILLE, MO 63011
St. Louis County (636) 256-8644
DR. CATHERINE JANE PETERSON M.D.
Personal Emergency Response Attendant
233 CLARKSON RD
ELLISVILLE, MO 63011
St. Louis County (636) 256-8644
SHARON MAUREEN SWEET FNP-C
Nurse Practitioner (Family)
233 CLARKSON RD
ELLISVILLE, MO 63011
St. Louis County (636) 256-8644
DR. JESSEE CRANE M.D.
Family Medicine
233 CLARKSON RD
ELLISVILLE, MO 63011
St. Louis County (636) 256-8644
MRS. DAWN M FORBES FNP
Nurse Practitioner (Family)
233 CLARKSON RD
ELLISVILLE, MO 63011
St. Louis County (636) 256-8644

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 Mary Orris's NPI number?

The NPI number for Mary Orris is 1194966572. It was assigned to this individual provider in the NPPES registry on March 16, 2009.

Where is Mary Orris located?

Mary Orris practices at 233 Clarkson Rd, Ellisville, MO 63011. The listed phone number is (636) 256-8644.

What is Mary Orris's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Orris enrolled in Medicare?

Yes. Mary Orris is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Orris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Orris reassigns Medicare benefits to Mark A.Scheperle, Inc. (Saint Louis, 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 Mary Orris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Orris was last updated on March 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.