Internal Medicine · Santa Ana, CA
NPI
1326072612
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
1002 N Fairview St
Santa Ana, CA, 92703
Phone (714) 332-1069
Groups this clinician bills Medicare through
Medicare paid, 2024
$738K
19,352 services
Medicare patients, 2024
1,457
Average age 78
Drug cost, 2024
$12.4M
76,192 prescriptions
Company payments, 2025
$6,240
From 33 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Kelvin Mai was code 99212 (office e&m - established), 3,289 times for 1,128 patients. In total Kelvin Mai billed 19,352 services in 86 codes, and Medicare paid $738K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-09-01.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99212 Office E&M - Established | Office | 3,289 | 1,128 | $39.84 | $131K |
| 99213 Office E&M - Established | Office | 2,872 | 1,036 | $50.40 | $145K |
| 99214 Office E&M - Established | Office | 1,645 | 967 | $54.81 | $90K |
| 99457 E&M - Miscellaneous | Office | 1,147 | 157 | $41.22 | $47K |
| 99454 E&M - Miscellaneous | Office | 1,061 | 159 | $42.95 | $46K |
| 99091 E&M - Miscellaneous | Office | 904 | 157 | $44.70 | $40K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 878 | 878 | $67.97 | $60K |
| 99458 E&M - Miscellaneous | Office | 864 | 144 | $32.76 | $28K |
| 99497 Care Management/Coordination | Office | 707 | 698 | $16.84 | $12K |
| G0442 Annual alcohol misuse screening, 5 to 15 minutes | Office | 583 | 583 | $0.01 | $5.83 |
| 96372 Injection Administration | Office | 556 | 286 | $11.42 | $6,352 |
| G0008 Administration of influenza virus vaccine | Office | 487 | 485 | $29.41 | $14K |
| 36415 Venipuncture Blood Collection | Office | 480 | 411 | $8.65 | $4,152 |
| J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Office | 465 | 241 | $0.91 | $422 |
| 90661 Vaccine Product | Office | 453 | 451 | $36.05 | $16K |
By year: 2022 $658K for 16,756 services; 2023 $632K for 16,739 services; 2024 $738K for 19,352 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 480 | 411 | $8.65 | $4,152 |
| 81002 Clinical Chemistry | 30 | 27 | $3.41 | $102 |
Medicare prescription drug claims, 2024
In 2024, the drug Kelvin Mai prescribed most often to Medicare patients was Amlodipine Besylate, with 3,807 prescriptions and refills. In total Kelvin Mai wrote 76,192 Medicare prescriptions that cost $12.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Amlodipine Besylate Generic | 3,807 | 10,202 | 1,118 | $16K |
| Atorvastatin Calcium Generic | 3,326 | 8,781 | 955 | $25K |
| Rosuvastatin Calcium Generic | 3,289 | 8,811 | 963 | $34K |
| Losartan Potassium Generic | 2,388 | 6,514 | 747 | $18K |
| Metformin Hcl Generic | 2,326 | 6,279 | 677 | $16K |
| Gabapentin Generic | 1,868 | 3,015 | 551 | $12K |
| Olmesartan Medoxomil Generic | 1,679 | 4,442 | 546 | $23K |
| Diclofenac Sodium Generic | 1,507 | 1,627 | 433 | $811K |
| Metoprolol Succinate Generic | 1,481 | 3,867 | 433 | $20K |
| Celecoxib Generic | 1,459 | 1,610 | 706 | $20K |
| Azithromycin Generic | 1,364 | 1,364 | 970 | $4,158 |
| Tamsulosin Hcl Generic | 1,227 | 2,993 | 354 | $14K |
| Jardiance Empagliflozin | 1,138 | 1,497 | 196 | $876K |
| Vascepa Icosapent Ethyl | 1,105 | 2,036 | 281 | $495K |
| Pantoprazole Sodium Generic | 1,015 | 2,556 | 402 | $14K |
Brand drugs: 15,296 claims; generic drugs: 59,434 claims; opioid claims: 810.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Kelvin Mai $6,240 ($6,240 in general payments such as food, travel and fees) from 33 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $1,361.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 36 | $1,361 |
| Aimmune Therapeutics, Inc. | 42 | $727 |
| Amgen Inc. AMGN | 23 | $713 |
| Lilly USA, LLC LLY | 13 | $366 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 12 | $309 |
| Corcept Therapeutics CORT | 11 | $256 |
| Gilead Sciences, Inc. GILD | 9 | $242 |
| Abbvie Inc. ABBV | 23 | $234 |
| GlaxoSmithKline, LLC. GSK | 14 | $223 |
| Ardelyx, Inc. ARDX | 10 | $180 |
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.