NPPES file of Aug 9, 2026

Darlene J. Merritt, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Tempe, AZ

Darlene J. Merritt, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Tempe, Arizona, and NPI 1558542001, issued on Nov 26, 2007. Check the license (Arizona AP 2809, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558542001
Name
Darlene J. Merritt
Credential
PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
AP 2809 AZ
Self-reported in NPPES; status is on the state search
Practice location
1150 South Forest Avenue #334, Tempe, AZ 85287
Phone
(480) 965-6147
Enumerated
Nov 26, 2007
Record last updated
Nov 26, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(480) 965-3426
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 1,887 in Arizona → Look up another NPI →

Verify Darlene J. Merritt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license AP 2809    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

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90% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

94 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Darlene Merritt94
  2. Specialty average906

Most prescribed

  1. Propranolol Hcl16 claims
  2. Vyvanse13 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.

Darlene J. Merritt among 1,887 psychiatric/mental health nurse practitioner records in Arizona

Darlene J. Merritt, PMHNP 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 2007, is newer than 8% of them.

  • NPI issued2007 · 8% of these records are older, 89% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2007 · 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).

83 psychiatric/mental health nurse practitioner records list a practice address in Tempe

They are 83 of the 4,310 NPPES records with a practice address in Tempe, and 1,887 psychiatric/mental health nurse practitioner records in Arizona.

All 1,887 in Arizona → Every provider in Tempe → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Wendy Aragaki, FNP-CTempe, AZ 852881790116945
  2. Marie Grace De Leon, PMHNPTempe, AZ 852881942990593
  3. Ginno De Leon, PMHNP-BCTempe, AZ 852881528895182
  4. Magdalene Ekawa, NURSE PRACTITIONERChandler, AZ 852861649099870
  5. Makenna Francis, PMHNPTempe, AZ 852881063062149
  6. Baffour Gyamfi, DNP - PMHNPChandler, AZ 852861619777562
  7. Tara Janoski, MSN, PMHNP-BCChandler, AZ 852861407745136
  8. Meredith JohnsonTempe, AZ 852881578286431

Common questions

What is Darlene J. Merritt, PMHNP's NPI number?

Darlene J. Merritt, PMHNP's National Provider Identifier (NPI) is 1558542001, issued on Nov 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Darlene J. Merritt, PMHNP located?

The NPPES record lists a practice address at 1150 South Forest Avenue #334, Tempe, AZ, 85287. Phone: (480) 965-6147. Providers update this record themselves, so call before visiting.

How can I verify Darlene J. Merritt, PMHNP's license?

NPPES lists Arizona license number AP 2809, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Darlene J. Merritt, PMHNP prescribe under Medicare Part D?

In 2024, Darlene J. Merritt, PMHNP had 94 Medicare Part D claims; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.