Doctor profile · Federal record
Dr. Michelle Nguyen, MD
Gastroenterology Physician (CMS: Gastroenterology) · Los Gatos, CA
- NPI 1811967920
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
14901 National Ave, Ste 101
Los Gatos, CA 950322637
(408) 471-2222
fax (408) 471-2200 - Mailing address
-
1010 N Central Ave, Ste 380
Glendale, CA 912022937
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- October 22, 2018
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A74533
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811967920. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,380
Distinct HCPCS
10
Medicare allowed
$130,805
| 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 | 506 | 52 | $57 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 301 | 52 | $74 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 68 | 12 | $69 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 67 | 66 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 64 | 57 | $152 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 59 | 11 | $60 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 57 | 57 | $194 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 50 | 50 | $284 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 45 | $109 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 36 | 34 | $70 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 81. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$8,448
Transactions
94
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 37 | $7,409.96 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 25 | $294.73 | |
| Janssen Biotech, Inc. | 7 | $149.15 | |
| PFIZER INC. | 5 | $125.42 | |
| Celltrion USA Inc. | 3 | $73.53 | |
| IRONWOOD PHARMACEUTICALS, INC | 4 | $71.26 | |
| Gilead Sciences, Inc. | 2 | $55.16 | |
| Lilly USA, LLC | 2 | $40.80 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $38.15 | |
| Vertos Medical, Inc. | 1 | $37.90 | |
| BIOTISSUE HOLDINGS INC. | 1 | $35.62 | |
| Braintree Laboratories, Inc. | 2 | $31.28 | |
| Phathom Pharmaceuticals, Inc. | 1 | $28.76 | |
| Ipsen Biopharmaceuticals, Inc | 1 | $21.96 | |
| Merck Sharp & Dohme LLC | 1 | $18.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
569
Patients
242
Total drug cost
$438,071
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 122 | 55 | $2,198 |
| Famotidine | Generic | 102 | 41 | $2,101 |
| Omeprazole | Generic | 64 | 26 | $1,068 |
| Creon (Lipase/Protease/Amylase) | Brand | 41 | 19 | $227,778 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 37 | 18 | $4,422 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 28 | 28 | $4,624 |
| Linzess (Linaclotide) | Brand | 26 | 12 | $28,828 |
| Xifaxan (Rifaximin) | Brand | 26 | 19 | $57,274 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 25 | 24 | $1,954 |
| Lactulose | Generic | 21 | 0 | $927 |
Frequently asked questions
What is Dr. Michelle Nguyen's medical specialty?
Dr. Michelle Nguyen practices Gastroenterology Physician in Los Gatos, CA.
Where does Dr. Michelle Nguyen practice?
Dr. Michelle Nguyen practices at 14901 National Ave, Los Gatos, CA 950322637. Office phone: 4084712222.
What is Dr. Michelle Nguyen's NPI?
Dr. Michelle Nguyen's National Provider Identifier (NPI) is 1811967920, issued by NPPES.
Does Dr. Michelle Nguyen accept Medicare assignment?
Yes. Dr. Michelle Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michelle Nguyen 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); Chronic care management services (HCPCS 99490); Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS 99454). Source: CMS Medicare Physician & Other Practitioners file.