Doctor profile · Federal record

Dr. Brian Williams, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Louisville, KY

  • NPI 1548436660
  • Accepts Medicare
  • MIPS 73.2 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
220 Abraham Flexner Way Ste 1200
Louisville, KY 40202
(502) 899-3623
fax (502) 899-7970
Mailing address
Po Box 909
Louisville, KY 402010909

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
April 24, 2019
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Kentucky #49416 · Texas #Q4340
Medicaid (3)
TX #349800801 · IN #201131680 · KY #7100408810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548436660. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
126
Distinct HCPCS
5
Medicare allowed
$19,913
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 68 34 $48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 18 18 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 15 14 $82
61796 Computer-assisted radiosurgery of simple growth of brain, first growth 13 13 $969
99212 Established patient office or other outpatient visit, 10-19 minutes 12 12 $51

In context: peer comparison

Among 19 peers in Louisville Neurological Surgery Physician, average services per provider: 48. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$228
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novocure INC. 4 $84.23
DePuy Synthes Sales INC. 2 $62.63
Stryker Corporation 1 $58.35
Medtronic, INC. 1 $23.21

By nature of payment

Food and Beverage
$228

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Williams's medical specialty?
Dr. Brian Williams practices Neurological Surgery Physician in Louisville, KY.
Where does Dr. Brian Williams practice?
Dr. Brian Williams practices at 220 Abraham Flexner Way Ste 1200, Louisville, KY 40202. Office phone: 5028993623.
What is Dr. Brian Williams's NPI?
Dr. Brian Williams's National Provider Identifier (NPI) is 1548436660, issued by NPPES.
Does Dr. Brian Williams accept Medicare assignment?
Yes. Dr. Brian Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.