YU KAN AU (MD) – Neurocritical Care Physician, NPI 1851734917
Neurocritical Care Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
508 NEUROLOGY in CT
Provider Addresses for YU KAN AU (MD)
85 SEYMOUR STREET, SUITE 815
HARTFORD HOSPITAL NEUROLOGY DEPT
HARTFORD, CT 061065501
Phone: (860) 972-3621
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)
CMS reports 2 Open Payments records for all available years, with a total value of $247.
Total Amount is formed as General ($247) + Research ($0) + Ownership ($0) = $247.
Last reported payment date: 2024-05-30 • Largest payer in this snapshot: UCB, Inc. ($125).
Total Amount
$247
General + Research + Ownership
Payments
2
Total payment records
General Amount
$247
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| UCB, Inc. | $125 |
| AstraZeneca Pharmaceuticals LP | $122 |
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: 2019-08-15
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 |
|---|---|---|---|---|
| I20190815002413 | I | Neurology | CT | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 133 | 49 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 18 | 16 | $0 |
| 99292 | Critical care, each additional 30 minutes | 15 | 13 | $0 |
Insurance plans in this area (ZIP 06106)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology) | NY | |
| Physician Assistant | CT | |
| - | CT | |
| - | CT | |
| - | CT | |
| Physician Assistant | CT | |
| - | CT | |
| Emergency Medicine | CT | |
| - | CT | |
| Clinical Psychologist | CT |
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