Kari Hercules, APRN FNP-C PMHNP-BC
NPI 1558606731 · Psychiatric/Mental Health Nurse Practitioner · Saint Peters, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kari Hercules, APRN FNP-C PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Saint Peters, MO (NPI 1558606731).
Provider details
- NPI number
- 1558606731
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN FNP-C PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 309014484 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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 tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
363 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 113 | $57 |
| Telehealth Originating Site Facility FeeQ3014 | 106 | $30 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 86 | $85 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 47 | $11 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 11 | $146 |
Typical Medicare-allowed amounts for these services range $11–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 296 | 34 |
| Lurasidone Hcl | 264 | 25 |
| Clonazepam | 241 | 32 |
| Trazodone Hcl | 235 | 36 |
| Clozapine | 191 | 14 |
| Buspirone Hcl | 155 | 27 |
| Paliperidone Palmitatebrand: Invega Sustenna | 146 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$518 across 21 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
Additional practice locations (2)
- 50 Northgate Industrial DrGranite City, IL 62040-6805Phone: (618) 877-4420
- 504 N Sturgeon StMontgomery City, MO 63361-1829Phone: (573) 564-2990Fax: (573) 564-2862
Registry dates
- Enumerated
- 2012-11-29
- Last updated
- 2026-04-23
- Certified
- 2026-04-23
Frequently asked questions
- What is Kari Hercules's NPI number?
- Kari Hercules's National Provider Identifier (NPI) is 1558606731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kari Hercules's specialty?
- Kari Hercules is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kari Hercules located?
- Kari Hercules's practice location on file with NPPES is 255 Spencer Rd Ste 201, Saint Peters, MO 63376-2576.
- What is Kari Hercules's phone number?
- The practice phone number listed in the NPPES registry for Kari Hercules is (636) 477-8290.
- Does Kari Hercules accept Medicare?
- Kari Hercules is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kari Hercules's NPI active?
- Yes — Kari Hercules's NPI (1558606731) is active in the NPPES registry as of the last update on 2026-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.