John Sparks, PMHNP
NPI 1891342424 · Psychiatric/Mental Health Nurse Practitioner · Marana, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Sparks, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Marana, AZ (NPI 1891342424).
Provider details
- NPI number
- 1891342424
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- No
- License
- RN197580 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 49 | 11 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 43 | — |
| Bupropion Hclbrand: Bupropion Xl | 42 | 11 |
| Aripiprazole | 39 | — |
| Paroxetine Hcl | 36 | — |
| Risperidone | 34 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$276 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-08-19
- Last updated
- 2026-06-02
- Certified
- 2026-06-02
Frequently asked questions
- What is John Sparks's NPI number?
- John Sparks's National Provider Identifier (NPI) is 1891342424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Sparks's specialty?
- John Sparks is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Sparks located?
- John Sparks's practice location on file with NPPES is 13395 N Marana Main St, Marana, AZ 85653-7008.
- What is John Sparks's phone number?
- The practice phone number listed in the NPPES registry for John Sparks is (520) 682-4111.
- Does John Sparks accept Medicare?
- John Sparks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Sparks's NPI active?
- Yes — John Sparks's NPI (1891342424) is active in the NPPES registry as of the last update on 2026-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.