MS. MELISSA JEAN WILLIAMS APRN, CNP
NPI 1881337822
Nurse Practitioner in Chicago, IL

Active since April 18, 2022PECOS EnrolledAccepts Medicare Assignment
676 N SAINT CLAIR ST STE 800, CHICAGO, IL 60611(312) 695-9121(312) 695-5645 Get Directions Write a Review

NPPES record last updated: May 2, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 2, 2023, Apr 18, 2022 (2 updates tracked since 2022).

About Ms. Melissa Jean Williams Aprn, Cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MELISSA JEAN WILLIAMS APRN, CNP (NPI 1881337822) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209025093) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1881337822
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. MELISSA JEAN WILLIAMSCredential: APRN, CNP
Location Address676 N SAINT CLAIR ST STE 800Chicago, IL 60611-2978
Mailing Address676 N Saint Clair St Ste 800Chicago, IL 60611-2978 · (312) 695-9121 · Fax (312) 695-5645
Fax(312) 695-5645
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 18, 2022
Last NPPES UpdateMay 2, 20232 updates tracked since enumeration
NPPES CertifiedMay 2, 2023
NPI 1881337822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in IL · 209025093
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 041412254 (IL)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209025093 (IL)
676 N SAINT CLAIR ST STE 800, Chicago, IL 60611

Other Identifiers 2

Other041412254IL · Registered Nurse License
Other209025093IL · Advanced Practice Registered Nurse License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Melissa Jean Williams Aprn, Cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476925652
PECOS Enrollment IDI20230216001629
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
89 services72 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
44 services33 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
30 services26 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services21 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
19 services19 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
17 services16 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140062
Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140211
Location300 Randall RdGeneva, IL 60134 · Kane County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
676 N SAINT CLAIR ST STE 800
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
676 N SAINT CLAIR ST STE 800
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
676 N SAINT CLAIR ST STE 800
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
676 N SAINT CLAIR ST STE 800
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
676 N SAINT CLAIR ST STE 800
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
676 N SAINT CLAIR ST STE 800
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
676 N SAINT CLAIR ST STE 800
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
676 N SAINT CLAIR ST STE 800
CHICAGO, IL 60611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa Williams's NPI number?

The NPI number for Melissa Williams is 1881337822. It was assigned to this individual provider in the NPPES registry on April 18, 2022.

Where is Melissa Williams located?

Melissa Williams practices at 676 N Saint Clair St Ste 800, Chicago, IL 60611. The listed phone number is (312) 695-9121.

What is Melissa Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Melissa Williams enrolled in Medicare?

Yes. Melissa Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Melissa Williams affiliated with any hospitals?

According to CMS data, Melissa Williams is affiliated with Palos Community Hospital, Northwestern Lake Forest Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Williams was last updated on May 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.