Ariel Williams
Psychiatric/Mental Health Nurse Practitioner · Mesa, AZ
Ariel Williams is a psychiatric/mental health nurse practitioner with a practice address in Mesa, Arizona, and NPI 1205520574, issued on Jun 8, 2023. Check the license (Arizona 298202, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ariel Williams
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 298202 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1855 W Baseline RD Ste 101, Mesa, AZ 85202
- Phone
- (662) 645-7128
- Enumerated
- Jun 8, 2023
- Record last updated
- Feb 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20240222002132); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,887 in Arizona → Look up another NPI →
Also registered at 1855 W Baseline RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adnan Celjo, M.D.Psychiatry Physician1144438243
- Lauren Gonzalez, LCSWClinical Social Worker1952221673
- Francis KahigaPsychiatric/Mental Health Nurse Practitioner1477185759
- Emily Koch, RNRegistered Nurse1528838216
- Annette Lusko, D.OFamily Medicine Physician1487918181
Verify Ariel Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 298202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
47 Medicare Part D claims for 24 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxyzine Pamoate13 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 2 group practices
- Alliance Healthcare ServicesMemphis, TN
- Community Bridges IncYuma, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ariel Williams among 1,887 psychiatric/mental health nurse practitioner records in Arizona
Ariel Williams is one of 1,887 psychiatric/mental health nurse practitioner records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 68% of them.
- NPI issued2023 · 68% of these records are older, 22% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2021 · median 2020 among the 1,079 with a school on file
- Record last updated2024 · 23% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 psychiatric/mental health nurse practitioner records list a practice address in Mesa
They are 154 of the 9,151 NPPES records with a practice address in Mesa, and 1,887 psychiatric/mental health nurse practitioner records in Arizona.
All 1,887 in Arizona → Every provider in Mesa → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Marianne Barker, ARNPMesa, AZ 852021710930987
- Catherine Bradway, MSN, APRN, BCMesa, AZ 852021831128016
- Princess Darko-Amoako, PMHNPMesa, AZ 852021043775547
- Marcus Fossmeyer, DNP, PMHNPMesa, AZ 852021447773478
- Michelle Gilreath, PMHNP-BCMesa, AZ 852021679025944
- Rebecca Green, N.P.Mesa, AZ 852021982714416
- Francis KahigaMesa, AZ 852021477185759
- Amanda Keenhold, DNP, PMHNPMesa, AZ 852021013248699
Common questions
What is Ariel Williams's NPI number?
Ariel Williams's National Provider Identifier (NPI) is 1205520574, issued on Jun 8, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Ariel Williams located?
The NPPES record lists a practice address at 1855 W Baseline RD Ste 101, Mesa, AZ, 85202. Phone: (662) 645-7128. Providers update this record themselves, so call before visiting.
How can I verify Ariel Williams's license?
NPPES lists Arizona license number 298202, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Ariel Williams prescribe under Medicare Part D?
In 2024, Ariel Williams had 47 Medicare Part D claims for 24 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.