Internal Medicine, Hematology & Oncology · San Diego, CA
NPI
1720107121
Since 2007
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
200 W Arbor Dr
San Diego, CA, 92103
Phone (800) 926-8273
Groups this clinician bills Medicare through
Medicare paid, 2024
$64K
648 services
Medicare patients, 2024
132
Average age 71
Drug cost, 2024
$3.7M
1,225 prescriptions
Company payments, 2025
$18K
From 6 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by James K Mangan was code 99233 (hospital e&m - subsequent), 313 times for 49 patients. In total James K Mangan billed 648 services in 12 codes, and Medicare paid $64K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-11-14.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99233 Hospital E&M - Subsequent | Facility | 313 | 49 | $96.11 | $30K |
| 99215 Office E&M - Established | Facility | 193 | 70 | $106.71 | $21K |
| 99215 Office E&M - Established | Office | 54 | 21 | $145.57 | $7,861 |
| 99497 Care Management/Coordination | Facility | 30 | 15 | $61.39 | $1,842 |
| 99442 Telephone Services | Facility | 26 | 16 | $45.17 | $1,175 |
By year: 2022 $68K for 716 services; 2023 $65K for 652 services; 2024 $64K for 648 services.
Medicare prescription drug claims, 2024
In 2024, the drug James K Mangan prescribed most often to Medicare patients was Acyclovir, with 133 prescriptions and refills. In total James K Mangan wrote 1,225 Medicare prescriptions that cost $3.7M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Acyclovir Generic | 133 | 210 | 30 | $3,259 |
| Oxycodone Hcl Generic | 57 | 57 | Under 11 | $418 |
| Jakafi Ruxolitinib Phosphate | 46 | 46 | Under 11 | $600K |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 35 | 57 | Under 11 | $198 |
| Levofloxacin Generic | 34 | 34 | 18 | $256 |
| Prednisone Generic | 33 | 35 | Under 11 | $207 |
| Revlimid Lenalidomide | 32 | 32 | Under 11 | $542K |
| Allopurinol Generic | 27 | 61 | Under 11 | $205 |
| Venclexta Venetoclax | 27 | 27 | 12 | $109K |
| Hydrocortisone Generic | 27 | 27 | Under 11 | $630 |
| Posaconazole Generic | 26 | 26 | Under 11 | $28K |
| Lorazepam Generic | 25 | 25 | Under 11 | $48.11 |
| Omeprazole Generic | 23 | 31 | Under 11 | $163 |
| Dapsone Generic | 23 | 30 | Under 11 | $1,636 |
| Eliquis Apixaban | 22 | 24 | Under 11 | $14K |
Brand drugs: - claims; generic drugs: 903 claims; opioid claims: 93.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid James K Mangan $18K ($18K in general payments such as food, travel and fees) from 6 companies. The largest payer was Astellas Pharma US Inc with $11K.
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.