LOUIS S LIOU (M.D., PH.D.) – Urology Physician, NPI 1346212404
Urology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
365 UROLOGY in MA
Provider Addresses for LOUIS S LIOU (M.D., PH.D.)
115 Water St Ste 104
Milford, MA 017573015
Phone: (508) 482-5411
Fax: (508) 482-5417
Type: Location
41 Mall Rd
Burlington, MA 018051047
Phone: (781) 744-8000
Type: Location
Cambridge Hospital, 1493, Cambridge Street, Inman Square, Cambridge, Middlesex County, Massachusetts, 02139, United States
CAMBRIDGE, MA 021391047
Phone: (617) 665-3590
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 72 Open Payments records for all available years, with a total value of $147,176.
Total Amount is formed as General ($145,676) + Research ($1,500) + Ownership ($0) = $147,176.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: AngioDynamics, Inc. ($137,167).
Total Amount
$147,176
General + Research + Ownership
Payments
72
Total payment records
General Amount
$145,676
General payments
Research Amount
$1,500
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AngioDynamics, Inc. | $137,167 |
| BK Medical Holding Company Inc. | $4,224 |
| Activ Surgical, Inc. | $3,000 |
| Boston Scientific Corporation | $1,021 |
| Ambu A/S | $750 |
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: 2007-08-22
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 |
|---|---|---|---|---|
| I20070822001210 | I | Urology | MA | 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 | 175 | 141 | $0 |
| 81002 | Urinalysis, manual test | 129 | 102 | $0 |
| 51798 | Ultrasound measurement of bladder capacity after voiding | 127 | 97 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 96 | 81 | $0 |
| 52000 | Diagnostic exam of bladder and urethra using an endoscope | 61 | 52 | $0 |
Insurance plans in this area (ZIP 01757)
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