Internal Medicine · Los Angeles, CA
NPI
1285708651
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
0
Medicare group memberships
Hospitals
1
Hospital affiliations
857 Cleveland St
Los Angeles, CA, 90012
Phone (213) 620-1781
Medicare paid, 2024
$43K
639 services
Medicare patients, 2024
105
Average age 81
Drug cost, 2024
$1.3M
15,114 prescriptions
Company payments, 2025
$121
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Chung W Ng was code 99213 (office e&m - established), 381 times for 98 patients. In total Chung W Ng billed 639 services in 14 codes, and Medicare paid $43K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 381 | 98 | $71.89 | $27K |
| G0008 Administration of influenza virus vaccine | Office | 66 | 66 | $35.02 | $2,311 |
| 90661 Vaccine Product | Office | 53 | 53 | $36.11 | $1,914 |
| 99214 Office E&M - Established | Office | 46 | 44 | $107.91 | $4,964 |
| 90653 Vaccine Product | Office | 13 | 13 | $81.82 | $1,064 |
By year: 2022 $57K for 894 services; 2023 $58K for 870 services; 2024 $43K for 639 services.
Medicare prescription drug claims, 2024
In 2024, the drug Chung W Ng prescribed most often to Medicare patients was Atorvastatin Calcium, with 1,274 prescriptions and refills. In total Chung W Ng wrote 15,114 Medicare prescriptions that cost $1.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 1,274 | 3,444 | 345 | $21K |
| Amlodipine Besylate Generic | 763 | 2,040 | 196 | $7,421 |
| Losartan Potassium Generic | 564 | 1,490 | 137 | $9,252 |
| Levocetirizine Dihydrochloride Generic | 531 | 1,226 | 222 | $9,407 |
| Olmesartan Medoxomil Generic | 522 | 1,303 | 133 | $14K |
| Omeprazole Generic | 417 | 1,054 | 141 | $6,277 |
| Triamcinolone Acetonide Generic | 387 | 543 | 158 | $4,367 |
| Montelukast Sodium Generic | 363 | 838 | 97 | $5,112 |
| Celecoxib Generic | 357 | 866 | 122 | $26K |
| Metformin Hcl Generic | 340 | 939 | 86 | $5,276 |
| Simvastatin Generic | 285 | 716 | 60 | $4,272 |
| Gabapentin Generic | 271 | 672 | 90 | $3,595 |
| Pantoprazole Sodium Generic | 260 | 593 | 113 | $3,524 |
| Januvia Sitagliptin Phosphate | 240 | 424 | 39 | $220K |
| Alendronate Sodium Generic | 236 | 611 | 70 | $3,321 |
Brand drugs: 1,378 claims; generic drugs: 13,693 claims; opioid claims: 68.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Chung W Ng $121 ($121 in general payments such as food, travel and fees) from 2 companies. The largest payer was Abbvie Inc. with $84.46.
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.