DR. TIMOTHY JOSEPH O'SHAUGHNESSY (M.D.) – Critical Care Medicine (Anesthesiology) Physician, NPI 1306012232
Critical Care Medicine (Anesthesiology) Physician
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NPPES metrics only — not quality of care.
1,266 ANESTHESIOLOGY in WI
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Provider Addresses for DR. TIMOTHY JOSEPH O'SHAUGHNESSY (M.D.)
7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States
MIDDLETON, WI 535625531
Phone:
Type: Mailing
University Hospital Outpatient Pharmacy, 600, Highland Avenue, Madison, Dane County, Wisconsin, 53705-2221, United States
MADISON, WI 537924776
Phone: (608) 263-8100
Type: Location
1350 13TH AVE S
JACKSONVILLE BEACH, FL 322503203
Phone: (904) 627-2900
Type: Location
307 BIG ISLAND TRL
PONTE VEDRA, FL 320810698
Phone:
Type: Mailing
44 BUCKTAIL AVE
PONTE VEDRA, FL 320816181
Phone:
Type: Mailing
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.
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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: 2025-07-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20121228000180 | I | Anesthesiology | FL | TBD |
| I20250722003826 | I | Anesthesiology | CO | 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 |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 42 | 42 | $0 |
| 99291 | Critical care, first 30-74 minutes | 29 | 16 | $0 |
| 01922 | Anesthesia for x-ray or radiation therapy | 29 | 29 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 26 | 26 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 25 | 15 | $0 |
Insurance plans in this area (ZIP 53562)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | FL | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| - | FL | |
| A N E S T H E S I O L O G Y | FL | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| A N E S T H E S I O L O G Y | FL | |
| A N E S T H E S I O L O G Y | FL | |
| - | FL | |
| - | FL |
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