NPPES file of Aug 9, 2026

Jennifer L. Volker, PA-C

Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ

Jennifer L. Volker, PA-C is a psychiatric/mental health nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1851870091, issued on Aug 8, 2018. Check the license (Arizona 9875, 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
1851870091
Name
Jennifer L. Volker
Credential
PA-C
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
9875 AZ
PA-1660 ID
Self-reported in NPPES; status is on the state search
Practice location
9610 N Metro Pkwy W, Phoenix, AZ 85051
Phone
(208) 785-1200
Enumerated
Aug 8, 2018
Record last updated
Jul 1, 2025
Medicare enrollment
Enrolled (PECOS I20240204000098); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9610 N Metro Pkwy W

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ibtehal Ahmed, MDPediatrics Physician1174085880
  2. Angelica Alcala, MSN, FNP-CFamily Nurse Practitioner1033829023
  3. Hija Bautista, DNP, AGNP-CAdult Health Nurse Practitioner1831712157
  4. Krysten Begley, MSN, FNP-CFamily Nurse Practitioner1063908697
  5. Angelica Bennett, LPC, LCPCProfessional Counselor1578234340
  6. Arielle Caiazzo, MSWSocial Worker1659977973

Verify Jennifer L. Volker 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 9875    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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69% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

280 Medicare Part D claims for 22 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Jennifer Volker280
  2. Specialty average906

Most prescribed

  1. Trazodone Hcl31 claims
  2. Duloxetine Hcl23 claims
  3. Fluoxetine Hcl22 claims
  4. Buspirone Hcl21 claims
  5. Clonazepam19 claims
  6. Escitalopram Oxalate18 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 one group practice

  1. Adelante Healthcare, IncPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

548 psychiatric/mental health nurse practitioner records list a practice address in Phoenix

They are 548 of the 31,399 NPPES records with a practice address in Phoenix, and 1,887 psychiatric/mental health nurse practitioner records in Arizona.

All 548 in Phoenix → All 1,887 in Arizona → Every provider in Phoenix →

Other psychiatric/mental health nurse practitioner records in Arizona

  1. Stella Abaaba, PMHNP-BCPhoenix, AZ1801687850
  2. Kamani Abarikwu, PMHNP-BCPrescott, AZ1639929011
  3. Lamia Abdouni, PMHNPChandler, AZ1679928790
  4. Jill Abernathy-Wilke, PMHNPChandler, AZ1114624871
  5. Doyinsola Abikoye, NPPhoenix, AZ1073494225
  6. Ghassan Abuelian, PMHNPScottsdale, AZ1699534586
  7. Gia Accuardi, PMHNPKayenta, AZ1629389366
  8. Marieclaire Acha, PMHNPAvondale, AZ1386279875
  9. Akuteh AchangGilbert, AZ1386366979
  10. Jane Ackerley, DNPTucson, AZ1588868921

Common questions

What is Jennifer L. Volker, PA-C's NPI number?

Jennifer L. Volker, PA-C's National Provider Identifier (NPI) is 1851870091, issued on Aug 8, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer L. Volker, PA-C located?

The NPPES record lists a practice address at 9610 N Metro Pkwy W, Phoenix, AZ, 85051. Phone: (208) 785-1200. Providers update this record themselves, so call before visiting.

How can I verify Jennifer L. Volker, PA-C's license?

NPPES lists Arizona license number 9875, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer L. Volker, PA-C prescribe under Medicare Part D?

In 2024, Jennifer L. Volker, PA-C had 280 Medicare Part D claims for 22 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.

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.