Shannon Marie Williams, NP-C, FNP
Nurse Practitioner · Belleville, IL
Shannon Marie Williams, NP-C, FNP is a nurse practitioner with a practice address in Belleville, Illinois, and NPI 1942712310, issued on Oct 25, 2017. Check the license (Illinois 209015851, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shannon Marie Williams
- Credential
- NP-C, FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 209015851 IL
2017001325 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4550 Memorial Dr Ste 280, Belleville, IL 62226
- Phone
- (618) 767-3235
- Enumerated
- Oct 25, 2017
- Record last updated
- Sep 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20200330003677); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 4550 Memorial Dr Ste 280
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rebecca Carpenter, ANPNurse Practitioner1336537919
- Shabnam Darbari, MDNephrology Physician1225026016
- Rouba Ghoussoub, M.D.Nephrology Physician1396964599
- Richard Hehmann, M.D.Plastic Surgery Physician1215922067
- Emily Klein, FNPNurse Practitioner1740934629
Verify Shannon Marie Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209015851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average nurse practitioner in 2024
924 Medicare Part D claims for 248 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Dicyclomine Hcl251 claims
- Nortriptyline Hcl72 claims
- Famotidine71 claims
- Colestipol Hcl57 claims
- Omeprazole56 claims
- Pantoprazole Sodium54 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 MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $238.15
9 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.
Bills Medicare through one group practice
- Fairview Heights Medical Group SCAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shannon Marie Williams among 4,892 nurse practitioner records in Illinois
Shannon Marie Williams, NP-C, FNP 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 2017, is newer than 42% of them.
- NPI issued2017 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · 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).
45 nurse practitioner records list a practice address in Belleville
They are 45 of the 1,404 NPPES records with a practice address in Belleville, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Belleville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Melissa Armstead, DNPBelleville, IL 622261326599911
- Rebecca Carpenter, ANPBelleville, IL 622261336537919
- Terri Furfaro, DNP,APN,FNP-BCSwansea, IL 622261497732382
- Laura Hackworth, APRN,CNPSwansea, IL 622261295849032
- Carol Kadonsky, NP-CBelleville, IL 622261124326145
- Anne Kramer, NPBelleville, IL 622261326441478
- Cynthia Kues, ANPBelleville, IL 622261578582441
- Krista Ludwig, FNPBelleville, IL 622261437523677
Common questions
What is Shannon Marie Williams, NP-C, FNP's NPI number?
Shannon Marie Williams, NP-C, FNP's National Provider Identifier (NPI) is 1942712310, issued on Oct 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Shannon Marie Williams, NP-C, FNP located?
The NPPES record lists a practice address at 4550 Memorial Dr Ste 280, Belleville, IL, 62226. Phone: (618) 767-3235. Providers update this record themselves, so call before visiting.
How can I verify Shannon Marie Williams, NP-C, FNP's license?
NPPES lists Illinois license number 209015851, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Shannon Marie Williams, NP-C, FNP prescribe under Medicare Part D?
In 2024, Shannon Marie Williams, NP-C, FNP had 924 Medicare Part D claims for 248 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Shannon Marie Williams, NP-C, FNP's MIPS final score?
The 2023 MIPS final score is 94.6 of 100. 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.