Doctor profile · Federal record

Dr. Susan Duffy, M.D.

Neurology Physician (CMS: Psychiatry) · Psychiatry Physician · Geriatric Psychiatry Physician · Geriatric Psychiatry Physician · Iowa City, IA

  • NPI 1851509749
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Hawkins Dr, Dept. of Psychiatry
Iowa City, IA 522421009
(319) 356-1616

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
June 23, 2014
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (2)
Iowa #MD-37729 · Michigan #4301095404

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851509749. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
158
Distinct HCPCS
3
Medicare allowed
$14,664
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 127 91 $91
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $62
90792 Psychiatric diagnostic evaluation with medical services 12 12 $164

In context: peer comparison

Among 13 peers in this city , average services per provider: 47. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
69
Patients
0
Total drug cost
$480
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 21 0 $150
Trazodone Hcl Generic 19 0 $155
Lamotrigine Generic 15 0 $144
Clonazepam Generic 14 0 $30

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Susan Duffy's medical specialty?
Dr. Susan Duffy practices Neurology Physician in Iowa City, IA.
Where does Dr. Susan Duffy practice?
Dr. Susan Duffy practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193561616.
What is Dr. Susan Duffy's NPI?
Dr. Susan Duffy's National Provider Identifier (NPI) is 1851509749, issued by NPPES.
Does Dr. Susan Duffy accept Medicare assignment?
Yes. Dr. Susan Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susan Duffy 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); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.