Doctor profile · Federal record
Dr. Louis Liou, M.D., PH.D.
Urology Physician (CMS: Urology) · Cambridge, MA
- NPI 1346212404
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1493 Cambridge St
Cambridge, MA 021391047
(617) 665-3590 - Additional location
-
115 Water St Ste 104
Milford, MA 017573015
(508) 482-5411
fax (508) 482-5417 - Additional location
-
41 Mall RD
Burlington, MA 018051047
(781) 744-8000
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- September 3, 2025
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- Massachusetts #216911
- Medicaid
- MA #2013592
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346212404. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
978
Distinct HCPCS
10
Medicare allowed
$83,529
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
81002 |
Urinalysis, manual test | 129 | 102 | $3 | |
51798 |
Ultrasound measurement of bladder capacity after voiding | 127 | 97 | $13 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 99 | 79 | $139 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 76 | 62 | $103 | |
52000 |
Diagnostic exam of bladder and urethra using an endoscope | 61 | 52 | $83 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 48 | 40 | $70 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 48 | 41 | $99 | |
51797 |
Insertion of device into abdomen with pressure and urine flow rate study | 37 | 36 | $186 | |
51741 |
Electronic assessment of bladder emptying | 36 | 34 | $7 | |
51784 |
Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings | 36 | 35 | $31 |
In context: peer comparison
Among 1 peers in Cambridge Urology Physician, average services per provider: 42. This provider delivers 23× the peer median.Open Payments
Industry payments received
All-time total
$113,874
Transactions
32
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AngioDynamics, INC. | 14 | $108,260.11 | |
| Activ Surgical, INC. | 1 | $3,000.00 | |
| Ambu A/S | 1 | $750.00 | |
| Bk Medical Holding Company INC. | 1 | $742.50 | |
| Boston Scientific Corporation | 7 | $644.89 | |
| Teleflex LLC | 1 | $172.42 | |
| Procept BioRobotics Corporation | 1 | $168.72 | |
| Dentsply Ih Ab | 2 | $52.62 | |
| Myriad Genetic Laboratories, INC. | 2 | $39.68 | |
| Telix Pharmaceuticals | 1 | $23.82 | |
| Agiliti Surgical, INC. | 1 | $19.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
152
Patients
84
Total drug cost
$12,208
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 65 | 31 | $2,017 |
| Ciprofloxacin Hcl | Generic | 43 | 41 | $143 |
| Naproxen | Generic | 19 | 12 | $76 |
| Myrbetriq (Mirabegron) | Brand | 14 | 0 | $9,765 |
| Finasteride | Generic | 11 | 0 | $207 |
Hospital affiliations
Frequently asked questions
What is Dr. Louis Liou's medical specialty?
Dr. Louis Liou practices Urology Physician in Cambridge, MA.
Where does Dr. Louis Liou practice?
Dr. Louis Liou practices at 1493 Cambridge St, Cambridge, MA 021391047. Office phone: 6176653590.
What is Dr. Louis Liou's NPI?
Dr. Louis Liou's National Provider Identifier (NPI) is 1346212404, issued by NPPES.
Does Dr. Louis Liou accept Medicare assignment?
Yes. Dr. Louis Liou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Liou commonly perform?
Top Medicare-reported procedures in 2023: Urinalysis, manual test (HCPCS 81002); Ultrasound measurement of bladder capacity after voiding (HCPCS 51798); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.