Melody Kay Willis, MSN, RN, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Crystal Cty, MO
Melody Kay Willis, MSN, RN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Crystal Cty, Missouri, and NPI 1336604370, issued on Feb 4, 2019. Check the license (Missouri 2019009372, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melody Kay Willis
- Credential
- MSN, RN, PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 2019009372 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1420 US Highway 61, Crystal Cty, MO 63028
- Phone
- (636) 543-2230
- Enumerated
- Feb 4, 2019
- Record last updated
- Jul 31, 2026
- Fax
- (636) 543-2231
- Medicare enrollment
- Enrolled (PECOS I20190826001874); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 765 in Missouri → Look up another NPI →
Verify Melody Kay Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2019009372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
86 Medicare Part D claims for 26 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through 4 group practices
- Mercy Aco Clinical Services IncChesterfield, MO
- Mercy Clinic Adult Hospitalists - Washington, LLCWashington, MO
- Mercy Clinic Adult Hospitalists Jefferson LLCFestus, MO
- St Anthonys Physician Organization Hospitalist Services LCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melody Kay Willis among 765 psychiatric/mental health nurse practitioner records in Missouri
Melody Kay Willis, MSN, RN, PMHNP-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 2019, is newer than 34% of them.
- NPI issued2019 · 34% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2013 · 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).
1 psychiatric/mental health nurse practitioner record lists a practice address in Crystal Cty
They are 1 of the 10 NPPES records with a practice address in Crystal Cty, and 765 psychiatric/mental health nurse practitioner records in Missouri.
All 765 in Missouri → Every provider in Crystal Cty → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Jennifer Becker, APRNFestus, MO 630281194221200
- Jessica Booker, PMHNPFestus, MO 630281619574936
- Rebecca Dalton, MSN, PMHNP-BCFestus, MO 630281619675766
- Kevin McCloskey, PMHNP-BCFestus, MO 630281801786561
- Courtney Miles, PMHNPFestus, MO 630281558921296
- Nona Mungle, N.P.Festus, MO 630281710935101
- Keri Pruneau, APRN-CNP, RNFestus, MO 630281639953300
- Sunil Sam, PMHNPFestus, MO 630281366934176
Common questions
What is Melody Kay Willis, MSN, RN, PMHNP-BC's NPI number?
Melody Kay Willis, MSN, RN, PMHNP-BC's National Provider Identifier (NPI) is 1336604370, issued on Feb 4, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Melody Kay Willis, MSN, RN, PMHNP-BC located?
The NPPES record lists a practice address at 1420 US Highway 61, Crystal Cty, MO, 63028. Phone: (636) 543-2230. Providers update this record themselves, so call before visiting.
How can I verify Melody Kay Willis, MSN, RN, PMHNP-BC's license?
NPPES lists Missouri license number 2019009372, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Melody Kay Willis, MSN, RN, PMHNP-BC prescribe under Medicare Part D?
In 2024, Melody Kay Willis, MSN, RN, PMHNP-BC had 86 Medicare Part D claims for 26 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.