Doctor profile · Federal record
Dr. Ronald Hsu, MD
Gastroenterology Physician (CMS: Gastroenterology) · Roseville, CA
- NPI 1700912318
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
568 N Sunrise Ave Ste 330
Roseville, CA 956613097
(916) 773-6200
fax (916) 782-4550 - Mailing address
-
1860 Sierra Gardens Dr Unit 850
Roseville, CA 956611034
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- March 30, 2026
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A44067
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700912318. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,024
Distinct HCPCS
10
Medicare allowed
$162,988
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 205 | 170 | $133 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 155 | 153 | $99 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 122 | 93 | $187 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 115 | 113 | $247 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 112 | 112 | $171 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 83 | 83 | $117 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 76 | 76 | $186 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 45 | 45 | $185 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 38 | 38 | $95 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 35 | 34 | $185 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 66. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$26,946
Transactions
68
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 57 | $26,676.91 | |
| GENZYME CORPORATION | 3 | $106.38 | |
| Janssen Biotech, Inc. | 2 | $55.16 | |
| PFIZER INC. | 2 | $30.97 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $25.74 | |
| IRONWOOD PHARMACEUTICALS, INC | 1 | $17.90 | |
| Intercept Pharmaceuticals, Inc. | 1 | $17.37 | |
| Olympus America Inc. | 1 | $15.07 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
691
Patients
178
Total drug cost
$299,615
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 153 | 50 | $3,099 |
| Omeprazole | Generic | 109 | 28 | $1,618 |
| Mesalamine | Generic | 82 | 17 | $48,989 |
| Linzess (Linaclotide) | Brand | 58 | 17 | $38,010 |
| Famotidine | Generic | 55 | 22 | $909 |
| Dicyclomine Hcl | Generic | 35 | 17 | $853 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 29 | 27 | $674 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 28 | 0 | $2,639 |
| Humira(Cf) Pen (Adalimumab) | Brand | 24 | 0 | $184,451 |
| Esomeprazole Magnesium | Generic | 23 | 0 | $839 |
Hospital affiliations
Frequently asked questions
What is Dr. Ronald Hsu's medical specialty?
Dr. Ronald Hsu practices Gastroenterology Physician in Roseville, CA.
Where does Dr. Ronald Hsu practice?
Dr. Ronald Hsu practices at 568 N Sunrise Ave Ste 330, Roseville, CA 956613097. Office phone: 9167736200.
What is Dr. Ronald Hsu's NPI?
Dr. Ronald Hsu's National Provider Identifier (NPI) is 1700912318, issued by NPPES.
Does Dr. Ronald Hsu accept Medicare assignment?
Yes. Dr. Ronald Hsu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Hsu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.