DR. PATRICK MICHAEL DUNCAN (MD) – Internal Medicine Physician, NPI 1326577172
Internal Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
411 PULMONARY DISEASE in MO
Provider Addresses for DR. PATRICK MICHAEL DUNCAN (MD)
3009 N BALLAS RD STE 315A
SAINT LOUIS, MO 631312324
Phone: (314) 996-4700
Type: Mailing
Rush University Medical Center, 1653, West Congress Parkway, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States
CHICAGO, IL 606123833
Phone: (312) 942-5000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 104 Open Payments records for all available years, with a total value of $2,398.
Total Amount is formed as General ($2,398) + Research ($0) + Ownership ($0) = $2,398.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($521).
Total Amount
$2,398
General + Research + Ownership
Payments
104
Total payment records
General Amount
$2,398
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2023-09-12
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 |
|---|---|---|---|---|
| I20230912001618 | I | Pulmonary Disease | MO | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 151 | 47 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 52 | 49 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 43 | 20 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 34 | 31 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $0 |
Insurance plans in this area (ZIP 63131)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MO | |
| Internal Medicine, Hematology/Oncology | MO | |
| - | MO | |
| Thoracic Surgery | MO | |
| Hematology/Oncology, Internal Medicine | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| Internal Medicine | MO | |
| Internal Medicine | MO |
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