Cassandra Chambers, APRN
Nurse Practitioner · Chester, IL
Cassandra Chambers, APRN is a nurse practitioner with a practice address in Chester, Illinois, and NPI 1356995401, issued on Jul 27, 2019. Check the license (Illinois 277002367, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra Chambers
- Credential
- APRN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 277002367 IL
209019678 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1900 State St, Chester, IL 62233
- Phone
- (618) 826-2388
- Enumerated
- Jul 27, 2019
- Record last updated
- Jan 22, 2025
- Fax
- (618) 826-5139
- Medicare enrollment
- Enrolled (PECOS I20191025000054); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 1900 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Monica Anil Lukose, MDFamily Medicine Physician1750951679
- Valerie Blechle, MSNNurse Practitioner1508114620
- Anna Burmester, PTAPhysical Therapy Assistant1740900398
- Mindy Dudenbostel, CNPFamily Nurse Practitioner1447603246
- John Groll, M.D.Cardiovascular Disease Physician1396716163
Verify Cassandra Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 277002367Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average nurse practitioner in 2024
1,356 Medicare Part D claims for 429 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 93 claims were for opioids.
Most prescribed
- Prednisone69 claims
- Atorvastatin Calcium66 claims
- Gabapentin60 claims
- Levothyroxine Sodium45 claims
- Amoxicillin-Clavulanate Potass43 claims
- Doxycycline Hyclate42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.45
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Memorial HospitalChester, IL · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cassandra Chambers among 4,892 nurse practitioner records in Illinois
Cassandra Chambers, APRN is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 54% of them.
- NPI issued2019 · 54% of these records are older, 39% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2019 · median 2018 among the 3,389 with a school on file
- Record last updated2025 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 nurse practitioner records list a practice address in Chester
They are 2 of the 66 NPPES records with a practice address in Chester, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Chester → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Valerie Blechle, MSNChester, IL 622331508114620
- Jennifer Felchlia, APRNCarlyle, IL 622311114659703
- Michael Rivera, FNPCarlyle, IL 622311427043132
- Clare Arentsen, FNP-BCBreese, IL 622301225645690
- Melanie Banal, NP-CBreese, IL 622301770986010
- Jennifer Bergmann-Krause, NP-CColumbia, IL 622361528418993
- Jessica Greenfield, FNPBreese, IL 622301528616125
- Katlyn HilmesBreese, IL 622301477369882
Common questions
What is Cassandra Chambers, APRN's NPI number?
Cassandra Chambers, APRN's National Provider Identifier (NPI) is 1356995401, issued on Jul 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Chambers, APRN located?
The NPPES record lists a practice address at 1900 State St, Chester, IL, 62233. Phone: (618) 826-2388. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Chambers, APRN's license?
NPPES lists Illinois license number 277002367, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Cassandra Chambers, APRN prescribe under Medicare Part D?
In 2024, Cassandra Chambers, APRN had 1,356 Medicare Part D claims for 429 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Cassandra Chambers, APRN's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.