Internal Medicine · Newport Beach, CA
NPI
1245466929
Since 2009
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
320 Superior Ave, Suite 310
Newport Beach, CA, 92663
Phone (949) 515-3590
Groups this clinician bills Medicare through
Medicare paid, 2024
$182K
1,971 services
Medicare patients, 2024
309
Average age 78
Drug cost, 2024
$500K
1,232 prescriptions
Company payments, 2025
$201
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Catherine Koper was code 99233 (hospital e&m - subsequent), 1,035 times for 202 patients. In total Catherine Koper billed 1,971 services in 10 codes, and Medicare paid $182K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2015-09-29.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99233 Hospital E&M - Subsequent | Facility | 1,035 | 202 | $92.63 | $96K |
| 99213 Office E&M - Established | Office | 659 | 170 | $74.42 | $49K |
| 99223 Hospital E&M - Initial | Facility | 164 | 135 | $135.17 | $22K |
| 99291 Critical Care E&M | Facility | 56 | 20 | $164.15 | $9,192 |
| 99203 Office E&M - New | Office | 38 | 38 | $90.79 | $3,450 |
By year: 2022 $295K for 2,972 services; 2023 $206K for 2,230 services; 2024 $182K for 1,971 services.
Medicare prescription drug claims, 2024
In 2024, the drug Catherine Koper prescribed most often to Medicare patients was Meropenem, with 164 prescriptions and refills. In total Catherine Koper wrote 1,232 Medicare prescriptions that cost $500K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Meropenem Generic | 164 | 164 | 12 | $20K |
| Ertapenem Ertapenem Sodium | 148 | 148 | 46 | $64K |
| Vancomycin Hcl Generic | 99 | 101 | 33 | $13K |
| Doxycycline Hyclate Generic | 98 | 104 | 41 | $1,799 |
| Daptomycin Generic | 90 | 90 | 24 | $93K |
| Cefepime Hcl Generic | 80 | 80 | 21 | $18K |
| Fluconazole Generic | 69 | 71 | 21 | $1,503 |
| Cefazolin Sodium Generic | 55 | 55 | Under 11 | $3,799 |
| Fosfomycin Tromethamine Generic | 54 | 56 | 11 | $8,473 |
| Ceftriaxone Ceftriaxone Sodium | 38 | 38 | 16 | $4,763 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 38 | 38 | 30 | $247 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 22 | 22 | Under 11 | $889 |
| Cephalexin Generic | 17 | 17 | Under 11 | $1,625 |
| Mupirocin Generic | 16 | 20 | 12 | $124 |
| Triumeq Abacavir/Dolutegravir/Lamivudi | 15 | 15 | Under 11 | $57K |
Brand drugs: 114 claims; generic drugs: 1,118 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Catherine Koper $201 ($201 in general payments such as food, travel and fees) from 3 companies. The largest payer was ViiV Healthcare Company with $118.
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.