Melody Kay Willis, MSN, RN, PMHNP-BC
Melody Kay Willis, MSN, RN, PMHNP-BC is a Nurse Practitioner in Crystal Cty, Missouri. Qualified in 2013, 13 years ago. Practices with St Anthonys Physician Organization Hospitalist Services Lc, a 139-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.
- Years since qualifying
- 13
- Licensed in
- MO
- In the registry since
- 2019
What do these letters mean?
- MSN — Master of Science in Nursing
- A graduate nursing degree, usually held alongside an advanced practice licence.
- RN — Registered Nurse
- A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
- PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
- A board-certified psychiatric nurse practitioner.
Practice location Address checks out
1420 US Highway 61Crystal Cty, MO 63028-4108
Phone: (636) 543-2230
Fax: (636) 543-2231
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Psychiatric/Mental Health Nurse Practitioner (primary) | Taxonomy 363LP0808X · Licence 2019009372 (MO) |
|---|
Record details
| NPI number | 1336604370 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | MSN , RN , PMHNP-BC |
| Sole proprietor | No |
| NPI enumerated | February 4, 2019 |
| Last updated in NPPES | July 31, 2026 |
| Certification date | July 31, 2026 |
Medicare enrollment
| Medicare specialty | NURSE PRACTITIONER |
|---|---|
| Medical school | OTHER |
| Graduated | 2013 (13 years in practice) |
| Group practice | St Anthonys Physician Organization Hospitalist Services Lc — 139 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Telehealth | Offers telehealth services |
| Practice locations | 5 on file with Medicare |
Medicare patients and services, 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 33 |
| Average patient age | 54 |
Payments from drug and device companies, 2025
| Food and Beverage | $52 |
|---|
Practises at
- Mercy Hospital Jefferson Hospital · Crystal City, MO
- Mercy Hospital South Hospital · Saint Louis, MO
- Mercy Hospital Washington Hospital · Washington, MO
Colleagues at St Anthonys Physician Organization Hospitalist Services Lc
- Mr. Muhaddis Ejaz Ahmad, MD Family Medicine Physician · Saint Louis, MO
- Ram Sanjeev Alur, MD Internal Medicine Physician · Saint Louis, MO
- Dr. Munier Abraham El-Beck, MD Internal Medicine Physician · Saint Louis, MO
- Richard A Head, MD Neurology Physician · Saint Louis, MO
- Dr. Andrew Scott Hellenga, MD Family Medicine Physician · Belleville, IL
- Jahanzeb Khurshid, MD Psychiatry Physician · Poughkeepsie, NY
- Aditi Lele, DO Student in an Organized Health Care Education/Training Program · Saint Louis, MO
- Akhi Mustari, MD Internal Medicine Physician · Saint Louis, MO
- Dinko Naydenov, MD Internal Medicine Physician · Saint Louis, MO
- Anum Nida, MD Internal Medicine Physician · West Plains, MO
- Shirley N Okwuashi, MD Internal Medicine Physician · Saint Louis, MO
- Pranav Somasekhar Yayavaram, MD Internal Medicine Physician · Saint Louis, MO