Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. Dianna Lynn Phares, PHD, DNP, APRN-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1922335769

Dr. Dianna Lynn Phares, PHD, DNP, APRN-BC is a Nurse Practitioner in Weldon Spring, Missouri. Graduated from University of Tennessee, Hsc, College of Medicine in 2008, 18 years ago. Practices with Preferred Family Healthcare Inc, a 58-clinician group, works from 9 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
18
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
MO
In the registry since
2009
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

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Practice location Address checks out

4605 Crosshaven Ct
Weldon Spring, MO 63304-0500
Phone: (314) 503-4052
Fax: (636) 498-6666
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (8)

  • 1 Healthcare Pl, Bowling Green, MO 63334-3602 — (573) 603-1460
  • 1 Healthcare Pl, Bowling Green, MO 63334-3602 — (573) 603-1460
  • 235 Progress Rd, Hannibal, MO 63401-6637 — (573) 603-1460
  • 235 Progress Rd, Hannibal, MO 63401-6637 — (573) 603-1460
  • 141 Communication Dr, Hannibal, MO 63401-3670 — (573) 603-1460
  • 141 Communication Dr, Hannibal, MO 63401-3670 — (573) 603-1460
  • 4066 Dunnica Ave, Saint Louis, MO 63116-3510 — (636) 224-1700
  • 4066 Dunnica Ave, Saint Louis, MO 63116-3510 — (636) 224-1700

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 137634 (MO)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 137634 (MO)

Record details

NPI number1922335769
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , DNP , APRN-BC
Sole proprietorYes
NPI enumeratedNovember 16, 2009
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Preferred Family Healthcare Inc — 58 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $2,099 27 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Preferred Family Healthcare Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 58 clinicians in the practice; 12 are shown here.

Other providers in Weldon Spring