Doctor profile · Federal record
Dr. Hellen Chiao, MD
Gastroenterology Physician (CMS: Gastroenterology) · Oceanside, CA
- NPI 1154681435
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3923 Waring RD Ste A
Oceanside, CA 92056
(760) 724-8782
fax (760) 842-7801
Credentials & registration
- NPI registered
- May 2012 — 14 yrs on file
- Profile last updated
- February 25, 2021
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A127722
- Medicaid
- CA #1154681435
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154681435. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
382
Distinct HCPCS
10
Medicare allowed
$52,720
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 90 | 68 | $137 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 56 | 54 | $84 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 51 | 50 | $259 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 49 | 49 | $177 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 41 | 40 | $89 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 27 | 27 | $120 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 16 | 16 | $5 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $180 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 13 | $97 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 12 | 11 | $82 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 55. This provider delivers 6.9× the peer median.Open Payments
Industry payments received
All-time total
$2,360
Transactions
99
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 36 | $884.48 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 13 | $224.53 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 11 | $195.85 | |
| Janssen Biotech, Inc. | 10 | $182.22 | |
| AstraZeneca Pharmaceuticals LP | 1 | $130.34 | |
| CVRx, Inc. | 1 | $127.13 | |
| Regeneron Healthcare Solutions, Inc. | 4 | $101.39 | |
| GENZYME CORPORATION | 3 | $101.11 | |
| PFIZER INC. | 4 | $96.71 | |
| Lilly USA, LLC | 4 | $96.31 | |
| Phathom Pharmaceuticals, Inc. | 4 | $64.86 | |
| Merck Sharp & Dohme LLC | 3 | $64.58 | |
| Madrigal Pharmaceuticals | 3 | $59.90 | |
| VIVUS LLC | 1 | $17.10 | |
| Celltrion USA Inc. | 1 | $13.22 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
424
Patients
282
Total drug cost
$58,191
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 148 | 82 | $3,031 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 135 | 134 | $10,266 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 38 | 37 | $690 |
| Pantoprazole Sodium | Generic | 22 | 14 | $481 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 18 | 0 | $2,562 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 16 | 15 | $304 |
| Famotidine | Generic | 13 | 0 | $868 |
| Xifaxan (Rifaximin) | Brand | 12 | 0 | $36,760 |
| Budesonide Dr (Budesonide) | Brand | 11 | 0 | $1,030 |
| Sucralfate | Generic | 11 | 0 | $2,198 |
Frequently asked questions
What is Dr. Hellen Chiao's medical specialty?
Dr. Hellen Chiao practices Gastroenterology Physician in Oceanside, CA.
Where does Dr. Hellen Chiao practice?
Dr. Hellen Chiao practices at 3923 Waring RD Ste A, Oceanside, CA 92056. Office phone: 7607248782.
What is Dr. Hellen Chiao's NPI?
Dr. Hellen Chiao's National Provider Identifier (NPI) is 1154681435, issued by NPPES.
Does Dr. Hellen Chiao accept Medicare assignment?
Yes. Dr. Hellen Chiao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hellen Chiao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.