Internal Medicine, Nephrology · Whittier, CA
NPI
1558322479
Since 2006
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
11147 Washington Blvd
Whittier, CA, 90606
Phone (562) 695-6988
Groups this clinician bills Medicare through
Medicare paid, 2024
$221K
1,110 services
Medicare patients, 2024
205
Average age 66
Drug cost, 2024
$1.1M
4,007 prescriptions
Company payments, 2025
$590
From 5 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Mark C Lee was code 90960 (esrd related services (not dialysis)), 577 times for 91 patients. In total Mark C Lee billed 1,110 services in 14 codes, and Medicare paid $221K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-07-20.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 90960 ESRD Related Services (not dialysis) | Office | 577 | 91 | $272.04 | $157K |
| 99232 Hospital E&M - Subsequent | Facility | 217 | 73 | $61.41 | $13K |
| 90961 ESRD Related Services (not dialysis) | Office | 150 | 61 | $219.82 | $33K |
| 99213 Office E&M - Established | Office | 57 | 30 | $61.38 | $3,498 |
| 90962 ESRD Related Services (not dialysis) | Office | 24 | 22 | $160.89 | $3,861 |
| 99233 Hospital E&M - Subsequent | Facility | 21 | 12 | $92.32 | $1,939 |
| 99222 Hospital E&M - Initial | Facility | 17 | 17 | $101.59 | $1,727 |
By year: 2022 $271K for 1,258 services; 2023 $270K for 1,361 services; 2024 $221K for 1,110 services.
Medicare prescription drug claims, 2024
In 2024, the drug Mark C Lee prescribed most often to Medicare patients was Prosol (Parenteral Amino Acid 20% No.1), with 269 prescriptions and refills. In total Mark C Lee wrote 4,007 Medicare prescriptions that cost $1.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prosol Parenteral Amino Acid 20% No.1 | 269 | 269 | 12 | $43K |
| Amlodipine Besylate Generic | 212 | 392 | 59 | $644 |
| Velphoro Sucroferric Oxyhydroxide | 207 | 217 | 33 | $435K |
| Sevelamer Carbonate Generic | 205 | 265 | 55 | $38K |
| Farxiga Dapagliflozin Propanediol | 156 | 203 | 27 | $110K |
| Losartan Potassium Generic | 152 | 265 | 36 | $829 |
| Atorvastatin Calcium Generic | 124 | 251 | 33 | $812 |
| Kerendia Finerenone | 109 | 113 | 15 | $69K |
| Nifedipine Er Nifedipine | 97 | 173 | 23 | $2,719 |
| Hydralazine Hcl Generic | 97 | 166 | 23 | $1,088 |
| Furosemide Generic | 91 | 145 | 21 | $336 |
| Trazodone Hcl Generic | 89 | 101 | 23 | $382 |
| Calcium Acetate Generic | 78 | 110 | 20 | $4,256 |
| Carvedilol Generic | 74 | 126 | 18 | $506 |
| Tamsulosin Hcl Generic | 63 | 141 | 15 | $817 |
Brand drugs: 1,162 claims; generic drugs: 2,832 claims; opioid claims: 45.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Mark C Lee $590 ($590 in general payments such as food, travel and fees) from 5 companies. The largest payer was Ardelyx, Inc. with $276.
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.