Doctor profile · Federal record
Dr. Sonal Williams, FNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Rockford, IL
- NPI 1578013215
- Accepts Medicare
- MIPS 98.4 / 100 · 2023
- 10 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5666 E State St
Rockford, IL 611082425
(815) 226-2000 - Additional location
-
486 Randall RD Unit B
South Elgin, IL 601773354
(224) 783-5000
Credentials & registration
- NPI registered
- October 2016 — 10 yrs on file
- Profile last updated
- November 9, 2023
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Illinois #209014819
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578013215. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
241
Distinct HCPCS
5
Medicare allowed
$23,794
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 124 | 123 | $84 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 44 | 44 | $123 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 43 | 43 | $116 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 18 | $57 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 12 | 12 | $157 |
In context: peer comparison
Among 61 peers in Rockford Family Nurse Practitioner, average services per provider: 120. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
212
Patients
211
Total drug cost
$2,406
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 40 | 40 | $257 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 39 | 39 | $1,025 |
| Azithromycin | Generic | 33 | 33 | $182 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 27 | 27 | $324 |
| Doxycycline Hyclate | Generic | 24 | 24 | $345 |
| Prednisone | Generic | 20 | 20 | $31 |
| Ciprofloxacin Hcl | Generic | 18 | 17 | $149 |
| Methylprednisolone | Generic | 11 | 11 | $94 |
Frequently asked questions
What is Dr. Sonal Williams's medical specialty?
Dr. Sonal Williams practices Family Nurse Practitioner in Rockford, IL.
Where does Dr. Sonal Williams practice?
Dr. Sonal Williams practices at 5666 E State St, Rockford, IL 611082425. Office phone: 8152262000.
What is Dr. Sonal Williams's NPI?
Dr. Sonal Williams's National Provider Identifier (NPI) is 1578013215, issued by NPPES.
Does Dr. Sonal Williams accept Medicare assignment?
Yes. Dr. Sonal Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonal Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.