Jennifer Volker, PA-C
NPI 1851870091 · Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Volker, PA-C is a Psychiatric/Mental Health Nurse Practitioner provider in Phoenix, AZ (NPI 1851870091).
Provider details
- NPI number
- 1851870091
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Trazodone Hcl | 31 |
| Duloxetine Hcl | 23 |
| Fluoxetine Hcl | 22 |
| Buspirone Hcl | 21 |
| Clonazepam | 19 |
| Escitalopram Oxalate | 18 |
| Lorazepam | 16 |
| Bupropion Hclbrand: Bupropion Xl | 15 |
| Lamotrigine | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-08-08
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Jennifer Volker's NPI number?
- Jennifer Volker's National Provider Identifier (NPI) is 1851870091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Volker's specialty?
- Jennifer Volker is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Volker located?
- Jennifer Volker's practice location on file with NPPES is 9610 N Metro Pkwy W, Phoenix, AZ 85051-1402.
- What is Jennifer Volker's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Volker is (208) 785-1200.
- Does Jennifer Volker accept Medicare?
- Jennifer Volker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Volker's NPI active?
- Yes — Jennifer Volker's NPI (1851870091) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.