Dianna Lynn Phares, PHD, DNP, APRN-BC
Psychiatric/Mental Health Nurse Practitioner · Weldon Spring, MO
Dianna Lynn Phares, PHD, DNP, APRN-BC is a psychiatric/mental health nurse practitioner with a practice address in Weldon Spring, Missouri, and NPI 1922335769, issued on Nov 16, 2009. Check the license (Missouri 137634, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dianna Lynn Phares
- Credential
- PHD, DNP, APRN-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 137634 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4605 Crosshaven CT, Weldon Spring, MO 63304
- Phone
- (314) 503-4052
- Enumerated
- Nov 16, 2009
- Record last updated
- Jul 27, 2026
- Fax
- (636) 498-6666
- Medicare enrollment
- Enrolled (PECOS I20211202000649); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 765 in Missouri → Look up another NPI →
Verify Dianna Lynn Phares in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 137634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.2 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
7,463 Medicare Part D claims for 302 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Quetiapine Fumarate532 claims
- Buspirone Hcl516 claims
- Trazodone Hcl391 claims
- Sertraline Hcl341 claims
- Clonazepam331 claims
- Escitalopram Oxalate319 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: $1,772.50
26 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Preferred Family Healthcare IncHannibal, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dianna Lynn Phares among 765 psychiatric/mental health nurse practitioner records in Missouri
Dianna Lynn Phares, PHD, DNP, APRN-BC is one of 765 psychiatric/mental health nurse practitioner records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 9% of them.
- NPI issued2009 · 9% of these records are older, 90% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2008 · median 2021 among the 496 with a school on file
- Record last updated2026 · 20% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 psychiatric/mental health nurse practitioner records list a practice address in Weldon Spring
They are 11 of the 131 NPPES records with a practice address in Weldon Spring, and 765 psychiatric/mental health nurse practitioner records in Missouri.
All 765 in Missouri → Every provider in Weldon Spring → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Nancy Birtley, PMHNPSaint Peters, MO 633041689673956
- Danielle Dunyo, PMHNPWeldon Spring, MO 633041962166959
- Muhammad Idrees, APRNWeldon Spring, MO 633041154276145
- Amanda Kearney, PMHNP-BCWeldon Spring, MO 633041194271163
- Ulunma LawsonWeldon Spring, MO 633041619702776
- Sarah Lednick, APRNWeldon Spring, MO 633041013569532
- Catherine Mepukori, NPSt Charles, MO 633041003514563
- Christina Mitchell, PMHNP-BCWeldon Spring, MO 633041346090834
Common questions
What is Dianna Lynn Phares, PHD, DNP, APRN-BC's NPI number?
Dianna Lynn Phares, PHD, DNP, APRN-BC's National Provider Identifier (NPI) is 1922335769, issued on Nov 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Dianna Lynn Phares, PHD, DNP, APRN-BC located?
The NPPES record lists a practice address at 4605 Crosshaven CT, Weldon Spring, MO, 63304. Phone: (314) 503-4052. Providers update this record themselves, so call before visiting.
How can I verify Dianna Lynn Phares, PHD, DNP, APRN-BC's license?
NPPES lists Missouri license number 137634, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Dianna Lynn Phares, PHD, DNP, APRN-BC prescribe under Medicare Part D?
In 2024, Dianna Lynn Phares, PHD, DNP, APRN-BC had 7,463 Medicare Part D claims for 302 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.