Doctor profile · Federal record
Dr. Chidao Nguyen, DO
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Westminster, CA
- NPI 1780850198
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9353 Bolsa Ave, Ste E62
Westminster, CA 926835951
(800) 461-4651
fax (714) 333-4838
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- April 19, 2017
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #20A10338
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780850198. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,228
Distinct HCPCS
9
Medicare allowed
$446,073
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,852 | 531 | $125 | |
99239 |
Hospital discharge day management, more than 30 minutes | 424 | 388 | $121 | |
99291 |
Critical care, first 30-74 minutes | 340 | 128 | $222 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 267 | 252 | $182 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 153 | 46 | $114 | |
99497 |
Advance care planning, first 30 minutes | 62 | 47 | $80 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 59 | 58 | $58 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 50 | 47 | $193 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 21 | 12 | $163 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 358. This provider delivers 9.0× the peer median.Open Payments
Industry payments received
All-time total
$79
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| UCB, Inc. | 2 | $55.87 | |
| Janssen Pharmaceuticals, Inc | 1 | $23.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
895
Patients
302
Total drug cost
$30,619
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 126 | 28 | $1,377 |
| Metoprolol Tartrate | Generic | 95 | 31 | $536 |
| Pantoprazole Sodium | Generic | 94 | 43 | $5,135 |
| Furosemide | Generic | 78 | 36 | $373 |
| Amlodipine Besylate | Generic | 69 | 25 | $365 |
| Eliquis (Apixaban) | Brand | 61 | 12 | $17,211 |
| Losartan Potassium | Generic | 54 | 25 | $636 |
| Amiodarone Hcl | Generic | 51 | 0 | $2,416 |
| Isosorbide Mononitrate Er (Isosorbide Mononitrate) | Brand | 47 | 0 | $449 |
| Tamsulosin Hcl | Generic | 45 | 16 | $582 |
Hospital affiliations
Frequently asked questions
What is Dr. Chidao Nguyen's medical specialty?
Dr. Chidao Nguyen practices Hospitalist Physician in Westminster, CA.
Where does Dr. Chidao Nguyen practice?
Dr. Chidao Nguyen practices at 9353 Bolsa Ave, Westminster, CA 926835951. Office phone: 8004614651.
What is Dr. Chidao Nguyen's NPI?
Dr. Chidao Nguyen's National Provider Identifier (NPI) is 1780850198, issued by NPPES.
Does Dr. Chidao Nguyen accept Medicare assignment?
Yes. Dr. Chidao Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chidao Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.