Doctor profile · Federal record

Dr. Robert Hamilton, MD

Psychiatry Physician (CMS: Psychiatry) · Normal, IL

  • NPI 1164431904
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
405 Kays Dr Ste C
Normal, IL 617611979
(309) 664-3130

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 9, 2013
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Illinois #36077853
Medicaid
IL #036077853

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164431904. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
357
Distinct HCPCS
2
Medicare allowed
$42,189
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 327 167 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 30 24 $87

In context: peer comparison

Among 1 peers in Normal Psychiatry Physician, average services per provider: 178. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15,765
Transactions
18
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Axsome Therapeutics, INC. 14 $15,453.87
Neurocrine Biosciences, INC. 2 $134.48
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $115.39
Corium, LLC 1 $61.71

By nature of payment

Consulting Fee
$14,000
Travel and Lodging
$896
Food and Beverage
$869
Education
$0

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,114
Patients
858
Total drug cost
$95,162
Drug Type Claims Patients Total cost
Alprazolam Generic 687 100 $4,634
Clonazepam Generic 522 85 $6,457
Bupropion Xl (Bupropion Hcl) Brand 350 82 $11,555
Duloxetine Hcl Generic 294 55 $12,019
Lamotrigine Generic 294 68 $4,656
Trazodone Hcl Generic 288 77 $8,186
Sertraline Hcl Generic 219 52 $3,591
Quetiapine Fumarate Generic 218 58 $6,604
Buspirone Hcl Generic 197 56 $6,410
Aripiprazole Generic 196 52 $14,791

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Hamilton's medical specialty?
Dr. Robert Hamilton practices Psychiatry Physician in Normal, IL.
Where does Dr. Robert Hamilton practice?
Dr. Robert Hamilton practices at 405 Kays Dr Ste C, Normal, IL 617611979. Office phone: 3096643130.
What is Dr. Robert Hamilton's NPI?
Dr. Robert Hamilton's National Provider Identifier (NPI) is 1164431904, issued by NPPES.
Does Dr. Robert Hamilton accept Medicare assignment?
Yes. Dr. Robert Hamilton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Hamilton 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). Source: CMS Medicare Physician & Other Practitioners file.