Doctor profile · Federal record
Dr. Chien Chiang, M.D.
Gastroenterology Physician (CMS: Internal Medicine) · New York, NY
- NPI 1255341723
- Accepts Medicare
- 39 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
109 Lafayette St, Suite 701
New York, NY 100134154
(212) 941-7856
fax (212) 941-8951
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #177439
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255341723. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,234
Distinct HCPCS
10
Medicare allowed
$96,560
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 303 | 100 | $103 | |
36415 |
Insertion of needle into vein for collection of blood sample | 185 | 79 | $8 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 78 | 68 | $65 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 77 | 67 | $17 | |
99406 |
Smoking and tobacco use intensive counseling, 4-10 minutes | 66 | 66 | $17 | |
94010 |
Test to measure expiratory airflow and volume | 64 | 64 | $31 | |
92552 |
Test for hearing various pitches using earphone | 63 | 63 | $42 | |
92568 |
Test to assess middle ear muscle reflex | 63 | 63 | $17 | |
82270 |
Stool analysis for blood to screen for colon tumors | 61 | 61 | $4 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 57 | 57 | $146 |
In context: peer comparison
Among 165 peers in this city , average services per provider: 69. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$526
Transactions
21
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 16 | $430.29 | |
| ABBVIE INC. | 4 | $82.90 | |
| Seqirus USA Inc | 1 | $13.19 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,558
Patients
713
Total drug cost
$783,483
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 828 | 130 | $8,002 |
| Amlodipine Besylate | Generic | 771 | 107 | $4,604 |
| Omeprazole | Generic | 590 | 119 | $6,898 |
| Vemlidy (Tenofovir Alafenamide) | Brand | 312 | 31 | $472,175 |
| Metformin Hcl | Generic | 256 | 38 | $1,761 |
| Simvastatin | Generic | 229 | 38 | $1,788 |
| Vascepa (Icosapent Ethyl) | Brand | 224 | 29 | $77,526 |
| Esomeprazole Magnesium | Generic | 197 | 27 | $10,720 |
| Pantoprazole Sodium | Generic | 195 | 64 | $2,586 |
| Olmesartan Medoxomil | Generic | 184 | 29 | $3,824 |
Frequently asked questions
What is Dr. Chien Chiang's medical specialty?
Dr. Chien Chiang practices Gastroenterology Physician in New York, NY.
Where does Dr. Chien Chiang practice?
Dr. Chien Chiang practices at 109 Lafayette St, New York, NY 100134154. Office phone: 2129417856.
What is Dr. Chien Chiang's NPI?
Dr. Chien Chiang's National Provider Identifier (NPI) is 1255341723, issued by NPPES.
Does Dr. Chien Chiang accept Medicare assignment?
Yes. Dr. Chien Chiang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chien Chiang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.