Internal Medicine, Hematology & Oncology · Orange, CA
NPI
1922240191
Since 2009
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
101 the City Drive South, Building 56, Room 243
Orange, CA, 92868
Phone (714) 456-8000
Groups this clinician bills Medicare through
Medicare paid, 2024
$138K
1,996 services
Medicare patients, 2024
221
Average age 76
Drug cost, 2024
$5.5M
1,530 prescriptions
Company payments, 2025
$59K
From 14 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Nataliya Mar was code G2211 (visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's), 617 times for 177 patients. In total Nataliya Mar billed 1,996 services in 10 codes, and Medicare paid $138K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2018-05-08.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|---|---|---|---|---|
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Facility | 617 | 177 | $14.69 | $9,065 |
| 99215 Office E&M - Established | Facility | 561 | 134 | $120.99 | $68K |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 320 | 134 | $14.78 | $4,731 |
| 99215 Office E&M - Established | Office | 237 | 88 | $129.55 | $31K |
| 99214 Office E&M - Established | Facility | 112 | 72 | $80.26 | $8,989 |
| 99214 Office E&M - Established | Office | 66 | 54 | $85.93 | $5,671 |
| 99205 Office E&M - New | Facility | 35 | 35 | $147.98 | $5,179 |
| 99205 Office E&M - New | Office | 19 | 19 | $168.93 | $3,210 |
By year: 2022 $138K for 1,167 services; 2023 $130K for 1,114 services; 2024 $138K for 1,996 services.
Medicare prescription drug claims, 2024
In 2024, the drug Nataliya Mar prescribed most often to Medicare patients was Prednisone, with 119 prescriptions and refills. In total Nataliya Mar wrote 1,530 Medicare prescriptions that cost $5.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 119 | 134 | 33 | $598 |
| Nubeqa Darolutamide | 85 | 93 | 15 | $1.2M |
| Levothyroxine Sodium Generic | 80 | 190 | 20 | $732 |
| Eliquis Apixaban | 72 | 91 | 16 | $52K |
| Cabometyx Cabozantinib S-Malate | 71 | 75 | 12 | $1.5M |
| Ondansetron Odt Ondansetron | 67 | 67 | 40 | $588 |
| Potassium Chloride Generic | 64 | 86 | 21 | $798 |
| Pantoprazole Sodium Generic | 59 | 122 | 22 | $534 |
| Welireg Belzutifan | 49 | 49 | Under 11 | $1.4M |
| Amlodipine Besylate Generic | 42 | 111 | 16 | $249 |
| Tamsulosin Hcl Generic | 33 | 79 | 13 | $583 |
| Abiraterone Acetate Generic | 33 | 36 | Under 11 | $23K |
| Gabapentin Generic | 32 | 46 | 12 | $292 |
| Orgovyx Relugolix | 29 | 35 | Under 11 | $82K |
| Mirtazapine Generic | 28 | 65 | 16 | $426 |
Brand drugs: - claims; generic drugs: 1,027 claims; opioid claims: 66.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Nataliya Mar $59K ($49K in general payments such as food, travel and fees and $9,680 for research) from 14 companies. The largest payer was Merck Sharp & Dohme LLC with $24K.
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.