Mary Orris, NP
NPI 1194966572 · Nurse Practitioner · Ellisville, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Orris, NP is a Nurse Practitioner provider in Ellisville, MO (NPI 1194966572).
Provider details
- NPI number
- 1194966572
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NPC151135 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Progesterone, Micronizedbrand: Progesterone | 67 | 16 |
| Alprazolam | 29 | — |
| Tirzepatidebrand: Mounjaro | 24 | — |
| Metformin Hclbrand: Metformin Hcl Er | 22 | — |
| Prednisone | 21 | — |
| Metoprolol Tartrate | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-03-16
- Last updated
- 2009-03-16
Frequently asked questions
- What is Mary Orris's NPI number?
- Mary Orris's National Provider Identifier (NPI) is 1194966572, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Orris's specialty?
- Mary Orris is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Orris located?
- Mary Orris's practice location on file with NPPES is 233 Clarkson Rd, Ellisville, MO 63011-2219.
- What is Mary Orris's phone number?
- The practice phone number listed in the NPPES registry for Mary Orris is (636) 256-8644.
- Does Mary Orris accept Medicare?
- Mary Orris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Orris's NPI active?
- Yes — Mary Orris's NPI (1194966572) is active in the NPPES registry as of the last update on 2009-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.