Doctor profile · Federal record

Dr. Melissa Williams, APRN, CNP

Nurse Practitioner · Registered Nurse · Family Nurse Practitioner · Chicago, IL

  • NPI 1881337822
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
676 N Saint Clair St Ste 800
Chicago, IL 606112978
(312) 695-9121
fax (312) 695-5645

Credentials & registration

NPPES · NUCC
NPI registered
April 2022 — 4 yrs on file
Profile last updated
May 2, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Illinois #209025093 · Illinois #041412254

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881337822. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
5
Medicare allowed
$7,820
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 43 33 $59
99212 Established patient office or other outpatient visit, 10-19 minutes 26 21 $32
99214 Established patient office or other outpatient visit, 30-39 minutes 23 21 $85
99442 Telephone medical discussion with physician, 11-20 minutes 21 20 $59
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $75

In context: peer comparison

Among 169 peers in Chicago Nurse Practitioner, average services per provider: 102. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$379
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Fujifilm Healthcare Americas Corporation 2 $215.12
AstraZeneca Pharmaceuticals Lp 1 $121.83
Heartflow, INC. 1 $22.78
W. L. Gore & Associates, INC. 1 $19.07

By nature of payment

Food and Beverage
$379

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Williams's medical specialty?
Dr. Melissa Williams practices Nurse Practitioner in Chicago, IL.
Where does Dr. Melissa Williams practice?
Dr. Melissa Williams practices at 676 N Saint Clair St Ste 800, Chicago, IL 606112978. Office phone: 3126959121.
What is Dr. Melissa Williams's NPI?
Dr. Melissa Williams's National Provider Identifier (NPI) is 1881337822, issued by NPPES.
Does Dr. Melissa Williams accept Medicare assignment?
Yes. Dr. Melissa Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.