Doctor profile · Federal record
Dr. Nataliya Mar, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Student in an Organized Health Care Education/Training Program · Orange, CA
- NPI 1922240191
- Accepts Medicare
- MIPS 91.2 / 100 · 2023
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 the City Drive South, Building 56, Room 243
Orange, CA 928683201
(714) 456-8000
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- May 8, 2018
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #A137938
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922240191. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,085
Distinct HCPCS
5
Medicare allowed
$167,182
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 987 | 187 | $154 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 28 | 28 | $194 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 27 | 12 | $104 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 19 | $154 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 19 | $186 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 1,067. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$28,988
Transactions
39
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 16 | $18,576.60 | |
| Eisai Inc. | 8 | $7,380.46 | |
| Exelixis Inc. | 4 | $2,396.21 | |
| PFIZER INC. | 3 | $225.93 | |
| Gilead Sciences, Inc. | 2 | $192.04 | |
| AstraZeneca Pharmaceuticals LP | 1 | $121.87 | |
| Janssen Biotech, Inc. | 3 | $51.50 | |
| Aveo Pharmaceuticals, Inc. | 2 | $43.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
808
Patients
212
Total drug cost
$2,579,776
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 156 | 39 | $1,454 |
| Abiraterone Acetate | Generic | 111 | 15 | $325,149 |
| Levothyroxine Sodium | Generic | 76 | 17 | $1,353 |
| Potassium Chloride | Generic | 74 | 27 | $2,708 |
| Pantoprazole Sodium | Generic | 60 | 21 | $850 |
| Eliquis (Apixaban) | Brand | 56 | 12 | $48,933 |
| Cabometyx (Cabozantinib S-Malate) | Brand | 48 | 0 | $983,385 |
| Tamsulosin Hcl | Generic | 41 | 13 | $934 |
| Ondansetron Odt (Ondansetron) | Brand | 39 | 29 | $492 |
| Amlodipine Besylate | Generic | 32 | 0 | $394 |
Frequently asked questions
What is Dr. Nataliya Mar's medical specialty?
Dr. Nataliya Mar practices Hematology & Oncology Physician in Orange, CA.
Where does Dr. Nataliya Mar practice?
Dr. Nataliya Mar practices at 101 the City Drive South, Orange, CA 928683201. Office phone: 7144568000.
What is Dr. Nataliya Mar's NPI?
Dr. Nataliya Mar's National Provider Identifier (NPI) is 1922240191, issued by NPPES.
Does Dr. Nataliya Mar accept Medicare assignment?
Yes. Dr. Nataliya Mar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nataliya Mar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.