SUSAN M. DUFFY (M.D.) – Neurology Physician, NPI 1851509749
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
305 PSYCHIATRY in IA
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Provider Addresses for SUSAN M. DUFFY (M.D.)
University of Iowa Hospitals & Clinics, 200, Hawkins Drive, Iowa City, Johnson County, Iowa, 52245, United States
DEPT OF PSYCHIATRY
IOWA CITY, IA 522421009
Phone: (319) 356-1616
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2014-07-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20140724001166 | I | Psychiatry | IA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 127 | 91 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 19 | 18 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 12 | 12 | $0 |
Insurance plans in this area (ZIP 52242)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Endocrinology, Internal Medicine | IA | |
| Infectious Disease, Pediatric Medicine | MI | |
| Physician Assistant | IA | |
| - | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Hospitalist, Internal Medicine | IA | |
| Clinical Psychologist | IA | |
| - | IA | |
| - | IA |
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