Internal Medicine · Hacienda Heights, CA
NPI
1164507869
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
2
Medicare group memberships
Hospitals
0
Hospital affiliations
1850 S Azusa Ave, Suite 308
Hacienda Heights, CA, 91745
Phone (626) 854-7866
Groups this clinician bills Medicare through
Medicare paid, 2024
$862K
17,539 services
Medicare patients, 2024
597
Average age 78
Drug cost, 2024
$3.1M
17,585 prescriptions
Company payments, 2025
$2,437
From 23 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Ray Hsiao was code 99490 (chronic, principal, and transitional care management), 3,616 times for 351 patients. In total Ray Hsiao billed 17,539 services in 59 codes, and Medicare paid $862K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-09.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99490 Chronic, Principal, and Transitional Care Management | Office | 3,616 | 351 | $53.68 | $194K |
| 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 | 3,153 | 514 | $13.52 | $43K |
| 99213 Office E&M - Established | Office | 2,792 | 442 | $77.06 | $215K |
| 99439 Chronic, Principal, and Transitional Care Management | Office | 2,655 | 339 | $41.65 | $111K |
| 99212 Office E&M - Established | Office | 1,196 | 298 | $49.05 | $59K |
| J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | Office | 446 | 54 | $57.56 | $26K |
| 20611 Joint Injection | Office | 376 | 36 | $87.35 | $33K |
| 99497 Care Management/Coordination | Office | 315 | 301 | $82.58 | $26K |
| G0442 Annual alcohol misuse screening, 5 to 15 minutes | Office | 291 | 291 | $21.28 | $6,193 |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 288 | 288 | $21.28 | $6,130 |
| G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes | Office | 288 | 288 | $27.05 | $7,791 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 262 | 262 | $141.55 | $37K |
| 99214 Office E&M - Established | Office | 193 | 175 | $103.94 | $20K |
| G0008 Administration of influenza virus vaccine | Office | 192 | 192 | $24.65 | $4,733 |
| 90653 Vaccine Product | Office | 189 | 189 | $78.45 | $15K |
By year: 2022 $851K for 21,756 services; 2023 $839K for 19,362 services; 2024 $862K for 17,539 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 137 | 119 | $8.13 | $1,114 |
| 81002 Clinical Chemistry | 20 | 20 | $3.41 | $68.2 |
| 82044 Clinical Chemistry | 20 | 20 | $6.11 | $122 |
| 82570 Clinical Chemistry | 20 | 20 | $5.08 | $102 |
Medicare prescription drug claims, 2024
In 2024, the drug Ray Hsiao prescribed most often to Medicare patients was Rosuvastatin Calcium, with 1,085 prescriptions and refills. In total Ray Hsiao wrote 17,585 Medicare prescriptions that cost $3.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Rosuvastatin Calcium Generic | 1,085 | 3,033 | 371 | $16K |
| Amlodipine Besylate Generic | 1,015 | 2,769 | 316 | $7,176 |
| Atorvastatin Calcium Generic | 1,009 | 2,795 | 282 | $12K |
| Ezetimibe Generic | 873 | 2,361 | 289 | $24K |
| Losartan Potassium Generic | 858 | 2,378 | 256 | $11K |
| Metoprolol Succinate Generic | 398 | 1,064 | 116 | $6,719 |
| Farxiga Dapagliflozin Propanediol | 383 | 698 | 99 | $368K |
| Famotidine Generic | 357 | 853 | 147 | $4,664 |
| Levothyroxine Sodium Generic | 354 | 997 | 93 | $5,123 |
| Jardiance Empagliflozin | 353 | 634 | 85 | $346K |
| Tamsulosin Hcl Generic | 342 | 965 | 117 | $6,917 |
| Metformin Hcl Er Metformin Hcl | 339 | 955 | 104 | $5,631 |
| Alendronate Sodium Generic | 287 | 771 | 103 | $3,498 |
| Januvia Sitagliptin Phosphate | 287 | 448 | 54 | $224K |
| Azithromycin Generic | 285 | 285 | 217 | $807 |
Brand drugs: 3,138 claims; generic drugs: 14,340 claims; opioid claims: 72.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Ray Hsiao $2,437 ($2,437 in general payments such as food, travel and fees) from 23 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $676.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 25 | $676 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 11 | $335 |
| Amgen Inc. AMGN | 10 | $299 |
| Novo Nordisk Inc NVO | 10 | $177 |
| GlaxoSmithKline, LLC. GSK | 7 | $165 |
| Verona Pharma, Inc. VRNA | 4 | $103 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 3 | $84.98 |
| Exact Sciences Corporation EXAS | 3 | $66.99 |
| Radius Health, Inc. | 2 | $64.31 |
| Sumitomo Pharma America, Inc. 4506.T | 2 | $54.2 |
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.