Doctor profile · Federal record
Dr. Tommy Chen, M.D.
Dermatology Physician (CMS: Dermatology) · Pasadena, CA
- NPI 1326136854
- Accepts Medicare
- 52 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
50 Bellefontaine St, #301
Pasadena, CA 911053132
(626) 793-4857
fax (626) 793-8812
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- April 24, 2008
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- California #C37340
- Medicaid
- CA #00C373400
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326136854. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
638
Distinct HCPCS
8
Medicare allowed
$74,699
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 312 | 144 | $98 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 107 | 50 | $191 | |
11102 |
Biopsy of related skin growth, first growth | 71 | 57 | $111 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 54 | 54 | $122 | |
17110 |
Destruction of skin growth, 1-14 growths | 40 | 30 | $126 | |
11103 |
Biopsy of related skin growth, each additional growth | 29 | 20 | $57 | |
17000 |
Destruction of precancer skin growth, 1 growth | 14 | 12 | $62 | |
11104 |
Punch biopsy, first skin growth | 11 | 11 | $138 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 154. This provider delivers 4.1× the peer median.Open Payments
Industry payments received
All-time total
$92
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 3 | $91.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
350
Patients
187
Total drug cost
$228,246
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ketoconazole | Generic | 80 | 51 | $1,571 |
| Mometasone Furoate | Generic | 61 | 47 | $1,462 |
| Hydrocortisone | Generic | 57 | 41 | $363 |
| Doxycycline Hyclate | Generic | 30 | 20 | $414 |
| Clobetasol Propionate | Generic | 27 | 17 | $1,354 |
| Imiquimod | Generic | 20 | 0 | $975 |
| Otezla (Apremilast) | Brand | 19 | 0 | $99,653 |
| Triamcinolone Acetonide | Generic | 16 | 11 | $142 |
| Terbinafine Hcl | Generic | 15 | 0 | $183 |
| Dupixent Pen (Dupilumab) | Brand | 13 | 0 | $44,532 |
Frequently asked questions
What is Dr. Tommy Chen's medical specialty?
Dr. Tommy Chen practices Dermatology Physician in Pasadena, CA.
Where does Dr. Tommy Chen practice?
Dr. Tommy Chen practices at 50 Bellefontaine St, Pasadena, CA 911053132. Office phone: 6267934857.
What is Dr. Tommy Chen's NPI?
Dr. Tommy Chen's National Provider Identifier (NPI) is 1326136854, issued by NPPES.
Does Dr. Tommy Chen accept Medicare assignment?
Yes. Dr. Tommy Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tommy Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 15 or more growths (HCPCS 17004); Biopsy of related skin growth, first growth (HCPCS 11102). Source: CMS Medicare Physician & Other Practitioners file.