Doctor profile · Federal record
Dr. James Liou, M.D.
Dermatology Physician (CMS: Dermatology) · Dermatology Physician · Dermatology Physician · Watertown, MA
- NPI 1609098136
- Accepts Medicare
- 23 yrs in practice
- Licensed in 3 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
40 Spring St
Watertown, MA 024723474
(617) 923-8433 - Additional location
-
128 Carnegie Row
Norwood, MA 020625161
(781) 762-5858
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- March 22, 2021
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State licenses (3)
- Massachusetts #231481 · California #A113539 · North Carolina #200500216
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609098136. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,347
Distinct HCPCS
10
Medicare allowed
$149,733
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 1,024 | 173 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 434 | 336 | $99 | |
17000 |
Destruction of precancer skin growth, 1 growth | 277 | 222 | $62 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 166 | 130 | $136 | |
17110 |
Destruction of skin growth, 1-14 growths | 150 | 121 | $130 | |
11102 |
Biopsy of related skin growth, first growth | 119 | 99 | $110 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 67 | 67 | $122 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 29 | 22 | $194 | |
11103 |
Biopsy of related skin growth, each additional growth | 25 | 18 | $58 | |
12032 |
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | 22 | 15 | $349 |
In context: peer comparison
Among 1 peers in Watertown Dermatology Physician, average services per provider: 195. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$556
Transactions
33
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 10 | $195.58 | |
| E.R. Squibb & Sons, L.L.C. | 12 | $131.52 | |
| Incyte Corporation | 4 | $76.82 | |
| Pfizer INC. | 2 | $45.26 | |
| Genzyme Corporation | 2 | $40.26 | |
| Dermavant Sciences, INC. | 1 | $26.19 | |
| Verrica Pharmaceuticals INC. | 1 | $20.67 | |
| Arcutis Biotherapeutics, INC. | 1 | $19.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
385
Patients
193
Total drug cost
$15,732
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Triamcinolone Acetonide | Generic | 88 | 65 | $1,357 |
| Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) | Brand | 53 | 27 | $5,202 |
| Ketoconazole | Generic | 47 | 30 | $1,277 |
| Fluocinonide | Generic | 38 | 24 | $2,174 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 31 | 0 | $759 |
| Hydrocortisone | Generic | 19 | 17 | $103 |
| Mupirocin | Generic | 19 | 18 | $121 |
| Metronidazole | Generic | 18 | 0 | $1,087 |
| Clindamycin Phosphate | Generic | 17 | 12 | $431 |
| Clobetasol Propionate | Generic | 15 | 0 | $2,043 |
Frequently asked questions
What is Dr. James Liou's medical specialty?
Dr. James Liou practices Dermatology Physician in Watertown, MA.
Where does Dr. James Liou practice?
Dr. James Liou practices at 40 Spring St, Watertown, MA 024723474. Office phone: 6179238433.
What is Dr. James Liou's NPI?
Dr. James Liou's National Provider Identifier (NPI) is 1609098136, issued by NPPES.
Does Dr. James Liou accept Medicare assignment?
Yes. Dr. James Liou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Liou commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.