Doctor profile · Federal record
Dr. Tien-Chun Chen, MD
Gastroenterology Physician (CMS: Gastroenterology) · Hepatology Physician · Temple City, CA
- NPI 1396005450
- Accepts Medicare
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
6271 Rosemead Blvd
Temple City, CA 917801562
(626) 898-4560
fax (626) 898-4561 - Additional location
-
1828 E Cesar E Chavez Ave Ste 6200
Los Angeles, CA 900332585
(213) 328-0819
fax (844) 407-0584
Credentials & registration
- NPI registered
- May 2012 — 14 yrs on file
- Profile last updated
- November 23, 2023
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A154605
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396005450. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,350
Distinct HCPCS
10
Medicare allowed
$185,565
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 311 | 258 | $98 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 196 | 196 | $180 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 191 | 149 | $139 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 135 | 135 | $157 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 130 | 130 | $122 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 128 | 128 | $96 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 72 | 72 | $258 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 36 | 36 | $137 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 33 | 30 | $182 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 32 | 23 | $83 |
In context: peer comparison
Among 1 peers in Temple City Gastroenterology Physician, average services per provider: 96. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$1,331
Transactions
73
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 28 | $399.49 | |
| Janssen Biotech, INC. | 16 | $315.47 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 8 | $143.40 | |
| Ardelyx, INC. | 5 | $131.30 | |
| Phathom Pharmaceuticals, INC. | 4 | $93.86 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $61.64 | |
| Gilead Sciences, INC. | 3 | $53.53 | |
| Celgene Corporation | 2 | $35.46 | |
| Merck Sharp & Dohme LLC | 2 | $33.09 | |
| Genzyme Corporation | 1 | $25.45 | |
| Madrigal Pharmaceuticals | 1 | $23.10 | |
| Intercept Pharmaceuticals, INC. | 1 | $15.18 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
793
Patients
428
Total drug cost
$201,108
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 177 | 173 | $2,992 |
| Pantoprazole Sodium | Generic | 152 | 73 | $3,736 |
| Omeprazole | Generic | 130 | 54 | $1,497 |
| Vemlidy (Tenofovir Alafenamide) | Brand | 57 | 0 | $93,417 |
| Linzess (Linaclotide) | Brand | 50 | 24 | $62,381 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 48 | 47 | $942 |
| Metoclopramide Hcl | Generic | 23 | 0 | $235 |
| Metronidazole | Generic | 22 | 21 | $210 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 21 | 0 | $5,228 |
| Famotidine | Generic | 20 | 0 | $167 |
Frequently asked questions
What is Dr. Tien-Chun Chen's medical specialty?
Dr. Tien-Chun Chen practices Gastroenterology Physician in Temple City, CA.
Where does Dr. Tien-Chun Chen practice?
Dr. Tien-Chun Chen practices at 6271 Rosemead Blvd, Temple City, CA 917801562. Office phone: 6268984560.
What is Dr. Tien-Chun Chen's NPI?
Dr. Tien-Chun Chen's National Provider Identifier (NPI) is 1396005450, issued by NPPES.
Does Dr. Tien-Chun Chen accept Medicare assignment?
Yes. Dr. Tien-Chun Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tien-Chun Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.