Janel Clark, FNP
NPI 1578951752 · Psychiatric/Mental Health Nurse Practitioner · Granite City, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janel Clark, FNP is a Psychiatric/Mental Health Nurse Practitioner provider in Granite City, IL (NPI 1578951752).
Provider details
- NPI number
- 1578951752
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2014043297 (MO)
Specialties & taxonomies
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 tenure33% of score
11 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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Aripiprazole | 76 | 18 |
| Clonidine Hcl | 50 | 14 |
| Escitalopram Oxalate | 50 | — |
| Sertraline Hcl | 46 | — |
| Bupropion Hclbrand: Bupropion Xl | 43 | 11 |
| Lamotrigine | 43 | — |
| Trazodone Hcl | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$454 across 24 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
- 2014-12-22
- Last updated
- 2024-11-04
- Certified
- 2024-11-04
Frequently asked questions
- What is Janel Clark's NPI number?
- Janel Clark's National Provider Identifier (NPI) is 1578951752, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janel Clark's specialty?
- Janel Clark is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Janel Clark located?
- Janel Clark's practice location on file with NPPES is 2166 Madison Ave, Granite City, IL 62040-4700.
- What is Janel Clark's phone number?
- The practice phone number listed in the NPPES registry for Janel Clark is (618) 452-4969.
- Does Janel Clark accept Medicare?
- Janel Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janel Clark's NPI active?
- Yes — Janel Clark's NPI (1578951752) is active in the NPPES registry as of the last update on 2024-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.