Doctor profile · Federal record
Dr. Rebecca Williams, PHD
Surgery Physician (CMS: Surgical Oncology) · Surgical Oncology Physician · Madison, WI
- NPI 1538509294
- Accepts Medicare
- MIPS 77.4 / 100 · 2023
- 11 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2905 Commercial Ave Apt 2
Madison, WI 537044855
(608) 242-2888 - Additional location
-
675 N Saint Clair St Ste 21-700
Chicago, IL 606115975
(312) 695-0990
fax (312) 695-1144
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- January 11, 2024
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State licenses (2)
- Wisconsin #77226-20 · Illinois #036165097
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538509294. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
43
Distinct HCPCS
2
Medicare allowed
$9,533
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
60500 |
Removal or exploration of parathyroid glands | 23 | 23 | $213 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 20 | 20 | $231 |
In context: peer comparison
Among 27 peers in this city , average services per provider: 51. This provider delivers 0.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
23
Patients
23
Total drug cost
$39
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 23 | 23 | $39 |
Frequently asked questions
What is Dr. Rebecca Williams's medical specialty?
Dr. Rebecca Williams practices Surgery Physician in Madison, WI.
Where does Dr. Rebecca Williams practice?
Dr. Rebecca Williams practices at 2905 Commercial Ave Apt 2, Madison, WI 537044855. Office phone: 6082422888.
What is Dr. Rebecca Williams's NPI?
Dr. Rebecca Williams's National Provider Identifier (NPI) is 1538509294, issued by NPPES.
Does Dr. Rebecca Williams accept Medicare assignment?
Yes. Dr. Rebecca Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rebecca Williams commonly perform?
Top Medicare-reported procedures in 2023: Removal or exploration of parathyroid glands (HCPCS 60500); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.