Mary Davis, CNP
NPI 1841549391 · Psychiatric/Mental Health Nurse Practitioner · Marion, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Davis, CNP is a Psychiatric/Mental Health Nurse Practitioner provider in Marion, OH (NPI 1841549391).
Provider details
- NPI number
- 1841549391
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- COA.13747-NP (OH)
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
13 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 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 176 | 24 |
| Quetiapine Fumarate | 171 | 16 |
| Buspirone Hcl | 140 | 22 |
| Hydroxyzine Hcl | 140 | 24 |
| Risperidone | 118 | 12 |
| Olanzapine | 107 | 13 |
| Lamotrigine | 103 | 13 |
| Aripiprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$435 across 29 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
- 2012-08-30
- Last updated
- 2017-12-08
Frequently asked questions
- What is Mary Davis's NPI number?
- Mary Davis's National Provider Identifier (NPI) is 1841549391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Davis's specialty?
- Mary Davis is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Davis located?
- Mary Davis's practice location on file with NPPES is 320 Executive Dr, Marion, OH 43302-6310.
- What is Mary Davis's phone number?
- The practice phone number listed in the NPPES registry for Mary Davis is (740) 387-5210.
- Does Mary Davis accept Medicare?
- Mary Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Davis's NPI active?
- Yes — Mary Davis's NPI (1841549391) is active in the NPPES registry as of the last update on 2017-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.