Doctor profile · Federal record

Dr. Brian O'Shaughnessy, MD

Neurology Physician (CMS: Neurology) · Waterloo, IA

  • NPI 1023021151
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
152 W Dale St
Waterloo, IA 507031925
(319) 235-5060
fax (319) 235-5061

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 24, 2016
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Illinois #036-066709
Medicaid
IL #036066709

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023021151. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
9,547
Distinct HCPCS
10
Medicare allowed
$198,695
HCPCS Description Services Patients Avg allowed
J0585 Injection, onabotulinumtoxina, 1 unit 8,300 12 $6
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 357 208 $90
99213 Established patient office or other outpatient visit, 20-29 minutes 200 163 $84
99204 New patient office or other outpatient visit, 45-59 minutes 144 144 $154
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 91 84 $162
99214 Established patient office or other outpatient visit, 30-39 minutes 83 72 $118
95911 Nerve conduction, 9-10 studies 72 72 $196
95912 Nerve conduction, 11-12 studies 45 45 $231
95909 Nerve conduction, 5-6 studies 42 42 $125
95816 Measurement of brain wave activity (eeg), awake and drowsy 41 38 $53

In context: peer comparison

Among 4 peers in this city , average services per provider: 301. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$45
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $24.89
CSL Behring 1 $20.00

By nature of payment

Food and Beverage
$25
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,827
Patients
398
Total drug cost
$118,514
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 355 73 $2,895
Gabapentin Generic 326 70 $8,043
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 239 54 $10,587
Duloxetine Hcl Generic 211 39 $4,308
Memantine Hcl Generic 123 26 $3,123
Levetiracetam Generic 92 21 $4,908
Primidone Generic 87 21 $4,025
Amitriptyline Hcl Generic 84 28 $2,098
Pregabalin Generic 66 15 $1,498
Clonazepam Generic 53 22 $362

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian O'Shaughnessy's medical specialty?
Dr. Brian O'Shaughnessy practices Neurology Physician in Waterloo, IA.
Where does Dr. Brian O'Shaughnessy practice?
Dr. Brian O'Shaughnessy practices at 152 W Dale St, Waterloo, IA 507031925. Office phone: 3192355060.
What is Dr. Brian O'Shaughnessy's NPI?
Dr. Brian O'Shaughnessy's National Provider Identifier (NPI) is 1023021151, issued by NPPES.
Does Dr. Brian O'Shaughnessy accept Medicare assignment?
Yes. Dr. Brian O'Shaughnessy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian O'Shaughnessy commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.