Doctor profile · Federal record
Dr. Chien-Shing Chen, M.D.
Medical Oncology Physician (CMS: Medical Oncology) · Loma Linda, CA
- NPI 1073542692
- Accepts Medicare
- MIPS 76.4 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11370 Anderson St
Loma Linda, CA 923543450
(909) 558-2481 - Mailing address
-
File Number 54701
Los Angeles, CA 900740001
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 16, 2008
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- California #A66192
- Medicaid
- CA #00A661920
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073542692. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
5
Medicare allowed
$24,196
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 152 | 73 | $66 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 85 | 58 | $36 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 62 | 50 | $98 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 41 | 32 | $67 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $136 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 95. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$808
Transactions
5
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| BeiGene USA, Inc. | 1 | $675.00 | |
| GENZYME CORPORATION | 1 | $57.21 | |
| Novartis Pharmaceuticals Corporation | 1 | $32.10 | |
| Merck Sharp & Dohme LLC | 1 | $24.11 | |
| Lilly USA, LLC | 1 | $19.30 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
325
Patients
16
Total drug cost
$2,128,087
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 54 | 16 | $349 |
| Xtandi (Enzalutamide) | Brand | 46 | 0 | $762,361 |
| Famotidine | Generic | 38 | 0 | $574 |
| Erleada (Apalutamide) | Brand | 36 | 0 | $550,921 |
| Abiraterone Acetate | Generic | 29 | 0 | $116,769 |
| Ondansetron Hcl | Generic | 21 | 0 | $113 |
| Orgovyx (Relugolix) | Brand | 17 | 0 | $47,289 |
| Bicalutamide | Generic | 16 | 0 | $634 |
| Revlimid (Lenalidomide) | Brand | 16 | 0 | $312,195 |
| Cabometyx (Cabozantinib S-Malate) | Brand | 14 | 0 | $336,226 |
Frequently asked questions
What is Dr. Chien-Shing Chen's medical specialty?
Dr. Chien-Shing Chen practices Medical Oncology Physician in Loma Linda, CA.
Where does Dr. Chien-Shing Chen practice?
Dr. Chien-Shing Chen practices at 11370 Anderson St, Loma Linda, CA 923543450. Office phone: 9095582481.
What is Dr. Chien-Shing Chen's NPI?
Dr. Chien-Shing Chen's National Provider Identifier (NPI) is 1073542692, issued by NPPES.
Does Dr. Chien-Shing Chen accept Medicare assignment?
Yes. Dr. Chien-Shing Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chien-Shing Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.