Cassidy Chapman, PMHNP
NPI 1871097642 · Psychiatric/Mental Health Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassidy Chapman, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Saint Louis, MO (NPI 1871097642).
Provider details
- NPI number
- 1871097642
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2018008833 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
221 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 204 | $96 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $140 |
Typical Medicare-allowed amounts for these services range $96–$140 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-19
- Last updated
- 2025-04-15
- Certified
- 2022-05-08
Frequently asked questions
- What is Cassidy Chapman's NPI number?
- Cassidy Chapman's National Provider Identifier (NPI) is 1871097642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassidy Chapman's specialty?
- Cassidy Chapman is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassidy Chapman located?
- Cassidy Chapman's practice location on file with NPPES is 4901 Forest Park Ave, Saint Louis, MO 63108-1495.
- What is Cassidy Chapman's phone number?
- The practice phone number listed in the NPPES registry for Cassidy Chapman is (314) 286-1700.
- Does Cassidy Chapman accept Medicare?
- Cassidy Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassidy Chapman's NPI active?
- Yes — Cassidy Chapman's NPI (1871097642) is active in the NPPES registry as of the last update on 2025-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.