DIANNA WALKER NP
NPI 1073930780
Nurse Practitioner in Saint Louis, MO
About Dianna Walker Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANNA WALKER NP (NPI 1073930780) is an individual nurse practitioner in Saint Louis, Missouri, licensed in Missouri (2014005735) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dianna Walker Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63127
SAINT LOUIS, MO 63127
SAINT LOUIS, MO 63127
SAINT LOUIS, MO 63127
SAINT LOUIS, MO 63127
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dianna Walker's NPI number?
The NPI number for Dianna Walker is 1073930780. It was assigned to this individual provider in the NPPES registry on March 20, 2014. The provider is also known as Dianna J Gaffner Np.
Where is Dianna Walker located?
Dianna Walker practices at 3555 Sunset Office Dr Ste 107, Saint Louis, MO 63127. The listed phone number is (314) 543-5200.
What is Dianna Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Dianna Walker enrolled in Medicare?
Yes. Dianna Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Dianna Walker affiliated with any hospitals?
According to CMS data, Dianna Walker is affiliated with Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Dianna Walker was last updated on May 29, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
