Internal Medicine · Monterey Park, CA
NPI
1518951649
Since 2005
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
228 N Garfield Ave Ste 302
Monterey Park, CA, 91754
Phone (626) 288-3219
Groups this clinician bills Medicare through
Medicare paid, 2024
$58K
801 services
Medicare patients, 2024
119
Average age 80
Drug cost, 2024
$1.8M
12,927 prescriptions
Company payments, 2025
$331
From 4 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Wan Yao was code 99213 (office e&m - established), 371 times for 113 patients. In total Wan Yao billed 801 services in 19 codes, and Medicare paid $58K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2019-04-19.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 371 | 113 | $75.95 | $28K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 94 | 94 | $140.25 | $13K |
| G0008 Administration of influenza virus vaccine | Office | 80 | 80 | $34.30 | $2,744 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 67 | 62 | $13.70 | $918 |
| 90661 Vaccine Product | Office | 66 | 66 | $36.11 | $2,383 |
| 99214 Office E&M - Established | Office | 62 | 49 | $108.41 | $6,721 |
| 96372 Injection Administration | Office | 17 | 12 | $12.54 | $213 |
| 90653 Vaccine Product | Office | 14 | 14 | $81.82 | $1,145 |
By year: 2022 $66K for 845 services; 2023 $64K for 874 services; 2024 $58K for 801 services.
Medicare prescription drug claims, 2024
In 2024, the drug Wan Yao prescribed most often to Medicare patients was Rosuvastatin Calcium, with 1,130 prescriptions and refills. In total Wan Yao wrote 12,927 Medicare prescriptions that cost $1.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Rosuvastatin Calcium Generic | 1,130 | 2,921 | 291 | $20K |
| Amlodipine Besylate Generic | 1,114 | 2,952 | 294 | $9,298 |
| Atorvastatin Calcium Generic | 660 | 1,682 | 195 | $8,435 |
| Vascepa Icosapent Ethyl | 469 | 659 | 76 | $223K |
| Raloxifene Hcl Generic | 392 | 1,040 | 100 | $19K |
| Olmesartan Medoxomil Generic | 368 | 884 | 95 | $6,708 |
| Metoprolol Succinate Generic | 363 | 903 | 98 | $6,802 |
| Levocetirizine Dihydrochloride Generic | 264 | 399 | 142 | $2,502 |
| Jardiance Empagliflozin | 262 | 432 | 48 | $246K |
| Levothyroxine Sodium Generic | 228 | 594 | 58 | $3,146 |
| Losartan Potassium Generic | 221 | 612 | 61 | $2,968 |
| Farxiga Dapagliflozin Propanediol | 213 | 300 | 43 | $163K |
| Montelukast Sodium Generic | 210 | 419 | 93 | $2,266 |
| Ezetimibe Generic | 190 | 465 | 61 | $4,373 |
| Icosapent Ethyl Generic | 189 | 387 | 66 | $66K |
Brand drugs: 2,361 claims; generic drugs: 10,540 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Wan Yao $331 ($331 in general payments such as food, travel and fees) from 4 companies. The largest payer was Amgen Inc. with $265.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.