Doctor profile · Federal record
Dr. Catherine Nguyen, MD
Dermatology Physician (CMS: Dermatology) · Orange, CA
- NPI 1295199552
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2501 E Chapman Ave Ste 407
Orange, CA 928693204
(714) 628-3230 - Additional location
-
234 Goodman St., Ml 0781
Cincinnati, OH 45219
(513) 584-4505
fax (513) 584-0468
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- November 9, 2021
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- California #A168431
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295199552. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
382
Distinct HCPCS
7
Medicare allowed
$28,774
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 143 | 34 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 81 | 66 | $139 | |
17000 |
Destruction of precancer skin growth, 1 growth | 48 | 47 | $59 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 40 | 38 | $98 | |
17110 |
Destruction of skin growth, 1-14 growths | 32 | 29 | $126 | |
11102 |
Biopsy of related skin growth, first growth | 20 | 18 | $108 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 18 | 18 | $191 |
In context: peer comparison
Among 9 peers in Orange Dermatology Physician, average services per provider: 175. This provider delivers 2.2× the peer median.Open Payments
Industry payments received
All-time total
$1,450
Transactions
59
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genzyme Corporation | 9 | $432.07 | |
| Janssen Biotech, INC. | 12 | $276.61 | |
| Abbvie INC. | 14 | $201.61 | |
| Aurinia Pharma U.S., INC. | 10 | $184.62 | |
| Incyte Corporation | 4 | $95.15 | |
| Leo Pharma INC. | 3 | $84.28 | |
| Amgen INC. | 2 | $48.83 | |
| Mallinckrodt Hospital Products INC. | 2 | $44.85 | |
| Kiniksa Pharmaceuticals International, Plc | 1 | $33.95 | |
| Ani Pharmaceuticals, INC. | 1 | $27.43 | |
| Novartis Pharmaceuticals Corporation | 1 | $20.14 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
404
Patients
263
Total drug cost
$74,540
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ketoconazole | Generic | 69 | 41 | $1,310 |
| Clobetasol Propionate | Generic | 54 | 41 | $3,344 |
| Fluorouracil | Generic | 50 | 47 | $2,758 |
| Triamcinolone Acetonide | Generic | 48 | 42 | $629 |
| Hydrocortisone | Generic | 43 | 32 | $232 |
| Clindamycin Phosphate | Generic | 25 | 17 | $874 |
| Fluocinonide | Generic | 22 | 19 | $927 |
| Ciclopirox | Generic | 20 | 0 | $720 |
| Mupirocin | Generic | 20 | 13 | $134 |
| Dupixent Pen (Dupilumab) | Brand | 15 | 0 | $59,500 |
Frequently asked questions
What is Dr. Catherine Nguyen's medical specialty?
Dr. Catherine Nguyen practices Dermatology Physician in Orange, CA.
Where does Dr. Catherine Nguyen practice?
Dr. Catherine Nguyen practices at 2501 E Chapman Ave Ste 407, Orange, CA 928693204. Office phone: 7146283230.
What is Dr. Catherine Nguyen's NPI?
Dr. Catherine Nguyen's National Provider Identifier (NPI) is 1295199552, issued by NPPES.
Does Dr. Catherine Nguyen accept Medicare assignment?
Yes. Dr. Catherine Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99214); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.