Internal Medicine · Westminster, CA
NPI
1992017636
Since 2010
Specialty
Internal Medicine
Code 207R00000X
Group practices
2
Medicare group memberships
Hospitals
0
Hospital affiliations
8251 Westminster Blvd Ste 110
Westminster, CA, 92683
Phone (714) 839-5898
Groups this clinician bills Medicare through
Medicare paid, 2024
$634K
17,371 services
Medicare patients, 2024
467
Average age 79
Drug cost, 2024
$6.6M
42,998 prescriptions
Company payments, 2025
$3,803
From 27 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Chinh Mai was code 99214 (office e&m - established), 3,224 times for 417 patients. In total Chinh Mai billed 17,371 services in 67 codes, and Medicare paid $634K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-04-01.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 3,224 | 417 | $55.38 | $179K |
| 99213 Office E&M - Established | Office | 3,137 | 430 | $50.75 | $159K |
| 82947 Clinical Chemistry | Office | 2,001 | 246 | $3.85 | $7,704 |
| 96366 Intravenous Infusion, Hydration | Office | 1,184 | 162 | $17.80 | $21K |
| 36415 Venipuncture Blood Collection | Office | 819 | 372 | $8.65 | $7,084 |
| 96372 Injection Administration | Office | 807 | 184 | $12.27 | $9,900 |
| 83037 Blood Count | Office | 672 | 226 | $9.52 | $6,397 |
| 96365 Intravenous Infusion, Hydration | Office | 622 | 161 | $55.54 | $35K |
| J7040 Infusion, normal saline solution, sterile (500 ml = 1 unit) | Office | 514 | 147 | $1.02 | $526 |
| J3411 Injection, thiamine hcl, 100 mg | Office | 404 | 99 | $1.80 | $726 |
| 95251 Test - Miscellaneous | Office | 350 | 47 | $27.05 | $9,468 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 303 | 303 | $38.15 | $12K |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 303 | 303 | $21.10 | $6,393 |
| 99497 Care Management/Coordination | Office | 289 | 286 | $32.42 | $9,370 |
| G0136 Administration of a standardized, evidence-based social determinants of health risk assessment tool, 5-15 minutes | Office | 276 | 274 | $16.52 | $4,560 |
By year: 2022 $727K for 15,530 services; 2023 $579K for 15,715 services; 2024 $634K for 17,371 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 82947 Clinical Chemistry | 2,001 | 246 | $3.85 | $7,704 |
| 36415 Venipuncture Blood Collection | 819 | 372 | $8.65 | $7,084 |
| 83037 Blood Count | 672 | 226 | $9.52 | $6,397 |
Medicare prescription drug claims, 2024
In 2024, the drug Chinh Mai prescribed most often to Medicare patients was Atorvastatin Calcium, with 2,326 prescriptions and refills. In total Chinh Mai wrote 42,998 Medicare prescriptions that cost $6.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 2,326 | 2,791 | 328 | $6,803 |
| Metformin Hcl Generic | 1,768 | 2,033 | 224 | $4,314 |
| Amlodipine Besylate Generic | 1,753 | 2,007 | 242 | $2,217 |
| Calcitriol Generic | 1,627 | 1,880 | 239 | $15K |
| Vascepa Icosapent Ethyl | 1,415 | 1,480 | 193 | $483K |
| Carvedilol Generic | 1,402 | 1,618 | 195 | $3,977 |
| Losartan Potassium Generic | 1,267 | 1,526 | 182 | $3,569 |
| Rosuvastatin Calcium Generic | 1,213 | 1,420 | 165 | $3,891 |
| Jardiance Empagliflozin | 1,076 | 1,141 | 151 | $663K |
| Olmesartan Medoxomil Generic | 1,056 | 1,184 | 132 | $4,598 |
| Gabapentin Generic | 892 | 947 | 157 | $2,930 |
| Tradjenta Linagliptin | 866 | 898 | 103 | $453K |
| Alcohol Prep Pads Alcohol Antiseptic Pads | 843 | 1,208 | 189 | $3,580 |
| Lidocaine Generic | 691 | 733 | 131 | $48K |
| Metoprolol Succinate Generic | 608 | 692 | 94 | $2,857 |
Brand drugs: 11,029 claims; generic drugs: 30,420 claims; opioid claims: 110.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Chinh Mai $3,803 ($3,803 in general payments such as food, travel and fees) from 27 companies. The largest payer was Amgen Inc. with $446.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 13 | $446 |
| Ardelyx, Inc. ARDX | 14 | $413 |
| AstraZeneca Pharmaceuticals LP AZN | 13 | $400 |
| Abbvie Inc. ABBV | 17 | $360 |
| Novartis Pharmaceuticals Corporation NVS | 18 | $337 |
| Merck Sharp & Dohme LLC MRK | 11 | $232 |
| Xeris Pharmaceuticals, Inc. | 4 | $187 |
| Phathom Pharmaceuticals, Inc. PHAT | 6 | $163 |
| Genzyme Corporation SNY | 2 | $162 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 6 | $149 |
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.