Mark Anthony Davis, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Walla Walla, WA
Mark Anthony Davis, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Walla Walla, Washington, and NPI 1265296412, issued on Feb 8, 2024. Check the license (Washington AP61526319, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Anthony Davis
- Credential
- PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- AP61526319 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 Kelly PL, Walla Walla, WA 99362
- Phone
- (509) 575-4084
- Enumerated
- Feb 8, 2024
- Record last updated
- Feb 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240529002577); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,875 in Washington → Look up another NPI →
Also registered at 1520 Kelly PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shiloh AkariCounselor1366226482
- Amanda AndersonSocial Worker1881332682
- Snejana ApleyCase Manager/Care Coordinator1457087520
- Mariah ArlintClinical Social Worker1285477281
- Alina Avalos, RN 61314045Registered Nurse1942088604
- Katie BaileyPeer Specialist1821775776
Verify Mark Anthony Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61526319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,208 Medicare Part D claims for 76 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Olanzapine93 claims
- Quetiapine Fumarate81 claims
- Sertraline Hcl65 claims
- Aripiprazole57 claims
- Clonazepam52 claims
- Benztropine Mesylate47 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,130.24
26 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Comprehensive HealthcareWalla Walla, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Anthony Davis among 1,875 psychiatric/mental health nurse practitioner records in Washington
Mark Anthony Davis, PMHNP-BC is one of 1,875 psychiatric/mental health nurse practitioner records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 86% of them.
- NPI issued2024 · 86% of these records are older, 8% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2023 · median 2020 among the 904 with a school on file
- Record last updated2024 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Washington
There are 1,875 psychiatric/mental health nurse practitioner records in Washington.
All 1,875 in Washington → Every provider in Walla Walla → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Darlene Brown, ARNPWalla Walla, WA 993621689641755
- Jennifer Douglas, RN00123804Walla Walla, WA 993621235476706
- Daniel Eslinger, PMHNP/ARNPWalla Walla, WA 993621952350563
- Spencer Hendricks, PMHNPWalla Walla, WA 993621932830338
- Anne Mason, ARNPWalla Walla, WA 993621669780789
- Julie McKown, NPWalla Walla, WA 993621205393964
- Sean MoonWalla Walla, WA 993621528678851
- Teddi Nee, DNPWalla Walla, WA 993621598282634
Common questions
What is Mark Anthony Davis, PMHNP-BC's NPI number?
Mark Anthony Davis, PMHNP-BC's National Provider Identifier (NPI) is 1265296412, issued on Feb 8, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mark Anthony Davis, PMHNP-BC located?
The NPPES record lists a practice address at 1520 Kelly PL, Walla Walla, WA, 99362. Phone: (509) 575-4084. Providers update this record themselves, so call before visiting.
How can I verify Mark Anthony Davis, PMHNP-BC's license?
NPPES lists Washington license number AP61526319, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Anthony Davis, PMHNP-BC prescribe under Medicare Part D?
In 2024, Mark Anthony Davis, PMHNP-BC had 1,208 Medicare Part D claims for 76 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.