Doctor profile · Federal record

Dr. Brent Greenwald, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Idaho Falls, ID

  • NPI 1134155666
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3155 Channing Way, Suite B
Idaho Falls, ID 834047546
(208) 535-4800
fax (208) 535-4807

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 13, 2009
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Idaho #M-6947
Medicaid
ID #002786100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134155666. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
443
Distinct HCPCS
10
Medicare allowed
$76,791
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 112 81 $120
72100 X-ray of lower and sacral spine, 2-3 views 66 39 $37
99204 New patient office or other outpatient visit, 45-59 minutes 61 61 $150
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 47 27 $228
99213 Established patient office or other outpatient visit, 20-29 minutes 30 28 $84
72040 X-ray of upper spine, 2-3 views 26 22 $37
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 12 $75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 19 15 $113
63052 Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back 14 14 $228
22633 Fusion of spine in lower back with partial removal of spine bone and disc 13 13 $1,617

In context: peer comparison

Among 3 peers in this city , average services per provider: 30. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$305
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Providence Medical Technology, Inc. 5 $257.15
Celgene Corporation 1 $32.69
Boston Scientific Corporation 1 $14.95

By nature of payment

Food and Beverage
$305

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
12
Total drug cost
$521
Drug Type Claims Patients Total cost
Gabapentin Generic 26 12 $521

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brent Greenwald's medical specialty?
Dr. Brent Greenwald practices Neurological Surgery Physician in Idaho Falls, ID.
Where does Dr. Brent Greenwald practice?
Dr. Brent Greenwald practices at 3155 Channing Way, Idaho Falls, ID 834047546. Office phone: 2085354800.
What is Dr. Brent Greenwald's NPI?
Dr. Brent Greenwald's National Provider Identifier (NPI) is 1134155666, issued by NPPES.
Does Dr. Brent Greenwald accept Medicare assignment?
Yes. Dr. Brent Greenwald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brent Greenwald commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); X-ray of lower and sacral spine, 2-3 views (HCPCS 72100); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.