Cassandra Chambers, APRN
NPI 1356995401 · Nurse Practitioner · Chester, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Chambers, APRN is a Nurse Practitioner provider in Chester, IL (NPI 1356995401).
Provider details
- NPI number
- 1356995401
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 209019678 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
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
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 69 | 65 |
| Atorvastatin Calcium | 66 | 32 |
| Gabapentin | 60 | 25 |
| Levothyroxine Sodium | 45 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 43 | 42 |
| Doxycycline Hyclate | 42 | 35 |
| Warfarin Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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 (1)
- 602 W Shawneetown TrlSteeleville, IL 62288-1126Phone: (618) 965-3382
Registry dates
- Enumerated
- 2019-07-27
- Last updated
- 2025-01-22
- Certified
- 2025-01-22
Frequently asked questions
- What is Cassandra Chambers's NPI number?
- Cassandra Chambers's National Provider Identifier (NPI) is 1356995401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Chambers's specialty?
- Cassandra Chambers is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Chambers located?
- Cassandra Chambers's practice location on file with NPPES is 1900 State St, Chester, IL 62233-1116.
- What is Cassandra Chambers's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Chambers is (618) 826-2388.
- Does Cassandra Chambers accept Medicare?
- Cassandra Chambers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Chambers's NPI active?
- Yes — Cassandra Chambers's NPI (1356995401) is active in the NPPES registry as of the last update on 2025-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.