NPPES file of Aug 9, 2026

Melissa Jean Williams, APRN, CNP

Nurse Practitioner · Chicago, IL

Melissa Jean Williams, APRN, CNP is a nurse practitioner with a practice address in Chicago, Illinois, and NPI 1881337822, issued on Apr 18, 2022. Check the license (Illinois 209025093, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881337822
Name
Melissa Jean Williams
Credential
APRN, CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
209025093 IL
041412254 IL
Self-reported in NPPES; status is on the state search
Practice location
676 N Saint Clair St Ste 800, Chicago, IL 60611
Phone
(312) 695-9121
Enumerated
Apr 18, 2022
Record last updated
May 2, 2023
Fax
(312) 695-5645
Medicare enrollment
Enrolled (PECOS I20230216001629); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →

Also registered at 676 N Saint Clair St Ste 800

A shared address usually means a shared clinic or building; it does not show who employs whom.

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  5. Bradley Allen, MDDiagnostic Radiology Physician1043506710
  6. Corinne Atty, D.O.Diagnostic Radiology Physician1023251832

Verify Melissa Jean Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209025093    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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96% fewer Medicare Part D claims than the average nurse practitioner in 2024

47 Medicare Part D claims for 30 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 14 claims were for opioids.

  1. Melissa Williams47
  2. Specialty average1,109

Most prescribed

  1. Ondansetron Odt13 claims
  2. Hydrocodone-Acetaminophen12 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.

Industry payments in 2024: $378.80

5 payments; by number, the most common kind was food and beverage; the largest payer was Fujifilm Healthcare Americas Corporation. 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.

  1. Melissa Williams$378.80
  2. Specialty average$791.64

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

  1. Northwestern Medical Faculty FoundationChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Melissa Jean Williams among 4,892 nurse practitioner records in Illinois

Melissa Jean Williams, APRN, CNP 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 2022, is newer than 73% of them.

  • NPI issued2022 · 73% of these records are older, 20% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2021 · median 2018 among the 3,389 with a school on file
  • Record last updated2023 · 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).

952 nurse practitioner records list a practice address in Chicago

They are 952 of the 63,379 NPPES records with a practice address in Chicago, and 4,892 nurse practitioner records in Illinois.

All 4,892 in Illinois → Every provider in Chicago → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Sarah Anderson, NPChicago, IL 606111043243355
  2. Larry Boehlke, NPChicago, IL 606111972575231
  3. Joanne Cullina, MSN, APNChicago, IL 606111619904885
  4. Florence Denby, RN, CNP, APNChicago, IL 606111598773103
  5. Rebecca DukeChicago, IL 606111932204286
  6. Sylvia Duraski, CNP, APNChicago, IL 606111417965039
  7. Barbara Guido, APN-CNPChicago, IL 606111780784611
  8. Susanna Miranda, DNP, APRN, AGNP-CChicago, IL 606111831118512

Common questions

What is Melissa Jean Williams, APRN, CNP's NPI number?

Melissa Jean Williams, APRN, CNP's National Provider Identifier (NPI) is 1881337822, issued on Apr 18, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Jean Williams, APRN, CNP located?

The NPPES record lists a practice address at 676 N Saint Clair St Ste 800, Chicago, IL, 60611. Phone: (312) 695-9121. Providers update this record themselves, so call before visiting.

How can I verify Melissa Jean Williams, APRN, CNP's license?

NPPES lists Illinois license number 209025093, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Melissa Jean Williams, APRN, CNP prescribe under Medicare Part D?

In 2024, Melissa Jean Williams, APRN, CNP had 47 Medicare Part D claims for 30 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.