Doctor profile · Federal record
Dr. Ghian Yap, PA
Physician Assistant · Saint Louis, MO
- NPI 1447524210
- MIPS 79.3 / 100 · 2023
- 14 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3015 N Ballas RD, Dept Emergency MED
Saint Louis, MO 631312329
(314) 966-5000
fax (314) 747-3338 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- February 2012 — 14 yrs on file
- Profile last updated
- April 17, 2025
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Missouri #2019010012
- Medicaid
- MO #220072929
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447524210. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
482
Distinct HCPCS
4
Medicare allowed
$63,518
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 250 | 241 | $149 | |
99284 |
Emergency department visit with moderate level of medical decision making | 168 | 168 | $102 | |
99291 |
Critical care, first 30-74 minutes | 44 | 44 | $180 | |
99283 |
Emergency department visit with low level of medical decision making | 20 | 20 | $61 |
In context: peer comparison
Among 118 peers in this city , average services per provider: 87. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$67
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Chiesi USA, Inc. | 2 | $36.85 | |
| PFIZER INC. | 1 | $15.56 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $14.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
234
Patients
230
Total drug cost
$2,114
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 39 | 38 | $285 |
| Cephalexin | Generic | 31 | 31 | $206 |
| Methylprednisolone | Generic | 31 | 31 | $210 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 20 | 19 | $483 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 19 | 18 | $228 |
| Dicyclomine Hcl | Generic | 18 | 18 | $102 |
| Ciprofloxacin Hcl | Generic | 15 | 15 | $110 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $121 |
| Ibuprofen | Generic | 13 | 13 | $40 |
| Methocarbamol | Generic | 13 | 12 | $48 |
Frequently asked questions
What is Dr. Ghian Yap's medical specialty?
Dr. Ghian Yap practices Physician Assistant in Saint Louis, MO.
Where does Dr. Ghian Yap practice?
Dr. Ghian Yap practices at 3015 N Ballas RD, Saint Louis, MO 631312329. Office phone: 3149665000.
What is Dr. Ghian Yap's NPI?
Dr. Ghian Yap's National Provider Identifier (NPI) is 1447524210, issued by NPPES.
What procedures does Dr. Ghian Yap commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.