Doctor profile · Federal record
Dr. Wan Yao, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Monterey Park, CA
- NPI 1518951649
- Accepts Medicare
- 30 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
228 N Garfield Ave Ste 302
Monterey Park, CA 917541709
(626) 288-3219
fax (888) 349-7157 - Mailing address
-
228 N Garfield Ave, Suite 302
Monterey Park, CA 917541709
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- April 19, 2019
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A77060
- Medicaid
- CA #00A770601
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518951649. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
769
Distinct HCPCS
7
Medicare allowed
$69,858
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 410 | 117 | $98 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 91 | 91 | $140 | |
G0008 |
Administration of influenza virus vaccine | 77 | 77 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 74 | 55 | $139 | |
90674 |
Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free | 60 | 60 | $33 | |
96372 |
Injection of drug or substance under skin or into muscle | 40 | 24 | $16 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 17 | 17 | $76 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 266. This provider delivers 2.9× the peer median.Open Payments
Industry payments received
All-time total
$118
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 2 | $53.48 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $25.00 | |
| IRONWOOD PHARMACEUTICALS, INC | 1 | $22.35 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $17.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
6,000
Patients
1,627
Total drug cost
$895,192
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 1,130 | 289 | $16,479 |
| Rosuvastatin Calcium | Generic | 1,107 | 297 | $44,041 |
| Atorvastatin Calcium | Generic | 482 | 133 | $9,605 |
| Raloxifene Hcl | Generic | 372 | 99 | $33,602 |
| Olmesartan Medoxomil | Generic | 360 | 90 | $14,317 |
| Jardiance (Empagliflozin) | Brand | 356 | 54 | $304,091 |
| Metoprolol Succinate | Generic | 323 | 88 | $8,543 |
| Levocetirizine Dihydrochloride | Generic | 264 | 143 | $6,403 |
| Vascepa (Icosapent Ethyl) | Brand | 264 | 57 | $197,580 |
| Levothyroxine Sodium | Generic | 260 | 63 | $5,618 |
Frequently asked questions
What is Dr. Wan Yao's medical specialty?
Dr. Wan Yao practices Internal Medicine Physician in Monterey Park, CA.
Where does Dr. Wan Yao practice?
Dr. Wan Yao practices at 228 N Garfield Ave Ste 302, Monterey Park, CA 917541709. Office phone: 6262883219.
What is Dr. Wan Yao's NPI?
Dr. Wan Yao's National Provider Identifier (NPI) is 1518951649, issued by NPPES.
Does Dr. Wan Yao accept Medicare assignment?
Yes. Dr. Wan Yao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wan Yao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.