Doctor profile · Federal record

Dr. Kathleen Williams, APRN

Nurse Practitioner · Rockford, IL

  • NPI 1063418143
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1340 Charles St, Ste 201
Rockford, IL 61104
(779) 696-8799
Mailing address
Po Box 78866
Milwaukee, WI 532788666

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
February 18, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209-004303

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063418143. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
369
Distinct HCPCS
3
Medicare allowed
$23,273
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 295 117 $55
99214 Established patient office or other outpatient visit, 30-39 minutes 39 39 $81
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $112

In context: peer comparison

Among 37 peers in Rockford Nurse Practitioner, average services per provider: 189. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$36
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Solventum Corporation 1 $35.88

By nature of payment

Food and Beverage
$36

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
98
Total drug cost
$10,856
Drug Type Claims Patients Total cost
Cilostazol Generic 43 0 $502
Mupirocin Generic 31 25 $248
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 29 21 $210
Santyl (Collagenase Clostridium Hist.) Brand 27 24 $8,391
Furosemide Generic 25 0 $54
Levofloxacin Generic 24 15 $245
Tramadol Hcl Generic 19 13 $47
Gabapentin Generic 18 0 $295
Pentoxifylline Generic 16 0 $269
Clopidogrel (Clopidogrel Bisulfate) Brand 14 0 $241

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen Williams's medical specialty?
Dr. Kathleen Williams practices Nurse Practitioner in Rockford, IL.
Where does Dr. Kathleen Williams practice?
Dr. Kathleen Williams practices at 1340 Charles St, Rockford, IL 61104. Office phone: 7796968799.
What is Dr. Kathleen Williams's NPI?
Dr. Kathleen Williams's National Provider Identifier (NPI) is 1063418143, issued by NPPES.
Does Dr. Kathleen Williams accept Medicare assignment?
Yes. Dr. Kathleen Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen 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 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.