Doctor profile · Federal record
Dr. Katherine Williams, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Skokie, IL
- NPI 1396242053
- Accepts Medicare
- MIPS 75.4 / 100 · 2023
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4905 Old Orchard Ctr Ste 200
Skokie, IL 600771462
(847) 499-2648 - Mailing address
-
2801 Lakeside Dr Ste 209
Bannockburn, IL 600151200
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- October 25, 2022
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Illinois #036.162289
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396242053. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
85
Distinct HCPCS
5
Medicare allowed
$7,838
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 18 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 16 | $94 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 18 | 18 | $42 | |
77063 |
Screening 3d breast mammography | 14 | 14 | $55 | |
77067 |
Screening mammography | 14 | 14 | $133 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 53. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$349
Transactions
16
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| MAYNE PHARMA COMMERCIAL LLC | 4 | $75.11 | |
| Astellas Pharma US Inc | 3 | $60.65 | |
| Exeltis, USA Inc. | 3 | $52.89 | |
| Medtronic, Inc. | 1 | $46.46 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $29.04 | |
| PFIZER INC. | 1 | $25.40 | |
| Organon Llc | 1 | $22.02 | |
| MILLICENT US INC | 1 | $19.72 | |
| Merck Sharp & Dohme LLC | 1 | $17.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
24
Patients
16
Total drug cost
$3,214
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 24 | 16 | $3,214 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Williams's medical specialty?
Dr. Katherine Williams practices Obstetrics & Gynecology Physician in Skokie, IL.
Where does Dr. Katherine Williams practice?
Dr. Katherine Williams practices at 4905 Old Orchard Ctr Ste 200, Skokie, IL 600771462. Office phone: 8474992648.
What is Dr. Katherine Williams's NPI?
Dr. Katherine Williams's National Provider Identifier (NPI) is 1396242053, issued by NPPES.
Does Dr. Katherine Williams accept Medicare assignment?
Yes. Dr. Katherine Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine 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 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.