Doctor profile · Federal record
Dr. Mark Tsuchiyose, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Daly City, CA
- NPI 1063412195
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1850 Sullivan Avenue #520
Daly City, CA 94015
(650) 756-5000
fax (650) 756-5903
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- November 19, 2024
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #G53160
- Medicaid
- CA #GR0092050
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063412195. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,115
Distinct HCPCS
10
Medicare allowed
$128,807
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 295 | 29 | $56 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 247 | 156 | $147 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 173 | 29 | $73 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 56 | 55 | $119 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 46 | 45 | $131 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 44 | 39 | $105 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 44 | 26 | $86 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $194 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 38 | 29 | $210 | |
91200 |
Measurement of liver stiffness | 34 | 34 | $39 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 76. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$1,273
Transactions
52
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 19 | $435.11 | |
| Madrigal Pharmaceuticals | 7 | $160.83 | |
| Phathom Pharmaceuticals, Inc. | 3 | $130.65 | |
| Celltrion USA Inc. | 5 | $102.95 | |
| Gilead Sciences, Inc. | 3 | $95.21 | |
| Janssen Biotech, Inc. | 3 | $71.30 | |
| Lilly USA, LLC | 2 | $64.30 | |
| Braintree Laboratories, Inc. | 3 | $54.96 | |
| AIMMUNE THERAPEUTICS, INC. | 2 | $43.50 | |
| Intercept Pharmaceuticals, Inc. | 2 | $40.57 | |
| Ipsen Biopharmaceuticals, Inc | 1 | $28.26 | |
| Merck Sharp & Dohme LLC | 1 | $23.01 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $22.14 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
560
Patients
227
Total drug cost
$188,989
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 344 | 157 | $12,103 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 46 | 46 | $6,460 |
| Metoclopramide Hcl | Generic | 34 | 0 | $659 |
| Creon (Lipase/Protease/Amylase) | Brand | 21 | 0 | $120,056 |
| Mesalamine | Generic | 21 | 0 | $12,834 |
| Linzess (Linaclotide) | Brand | 16 | 0 | $15,046 |
| Nortriptyline Hcl | Generic | 16 | 0 | $244 |
| Trulance (Plecanatide) | Brand | 14 | 0 | $8,784 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 13 | 12 | $261 |
| Omeprazole-Sodium Bicarbonate (Omeprazole/Sodium Bicarbonate) | Brand | 12 | 0 | $11,492 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Tsuchiyose's medical specialty?
Dr. Mark Tsuchiyose practices Gastroenterology Physician in Daly City, CA.
Where does Dr. Mark Tsuchiyose practice?
Dr. Mark Tsuchiyose practices at 1850 Sullivan Avenue #520, Daly City, CA 94015. Office phone: 6507565000.
What is Dr. Mark Tsuchiyose's NPI?
Dr. Mark Tsuchiyose's National Provider Identifier (NPI) is 1063412195, issued by NPPES.
Does Dr. Mark Tsuchiyose accept Medicare assignment?
Yes. Dr. Mark Tsuchiyose accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Tsuchiyose commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.