Leoncia Gillespie, MSN, WHNP-BC
Registered Nurse · Phoenix, AZ
Leoncia Gillespie, MSN, WHNP-BC is a registered nurse with a practice address in Phoenix, Arizona, and NPI 1508642158, issued on Sep 7, 2023. Check the license (Arizona 297308, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leoncia Gillespie
- Credential
- MSN, WHNP-BC
- Primary taxonomy
- Registered Nurse 163W00000X
- License numbers
- 297308 AZ
183901 CT
352483 NC
Self-reported in NPPES; status is on the state search - Practice location
- 303 E Baseline RD, Phoenix, AZ 85042
- Phone
- (602) 243-7277
- Enumerated
- Sep 7, 2023
- Entity
- Type 1 · individual
Also registered at 303 E Baseline RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leoncia Gillespie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 297308Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average registered nurse in 2024
14 Medicare Part D claims, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D.
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.
One hospital or facility affiliation
- Mountain Park Health CenterPhoenix, AZ
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
870 registered nurse records list a Phoenix practice address
They are 870 of the 31,399 NPPES records with a Phoenix practice address, and 3,958 registered nurse records in Arizona.
All 870 in Phoenix → All 3,958 in Arizona → Every provider in Phoenix →
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- Brian AbelScottsdale, AZ1992426571
- Deirdre Abellada, RN, PHNPhoenix, AZ1710259395
Common questions
What is Leoncia Gillespie, MSN, WHNP-BC's NPI number?
Leoncia Gillespie, MSN, WHNP-BC's National Provider Identifier (NPI) is 1508642158, issued on Sep 7, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Leoncia Gillespie, MSN, WHNP-BC located?
The NPPES record lists a practice address at 303 E Baseline RD, Phoenix, AZ, 85042. Phone: (602) 243-7277. Providers update this record themselves, so call before visiting.
How can I verify Leoncia Gillespie, MSN, WHNP-BC's license?
NPPES lists Arizona license number 297308, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Leoncia Gillespie, MSN, WHNP-BC prescribe under Medicare Part D?
In 2024, Leoncia Gillespie, MSN, WHNP-BC had 14 Medicare Part D claims; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.