Doctor profile · Federal record
Dr. Tanya Dorff, M.D.
Medical Oncology Physician (CMS: Medical Oncology) · Hematology & Oncology Physician · Internal Medicine Physician · Duarte, CA
- NPI 1508879115
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- California #A82669
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508879115. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,358
Distinct HCPCS
10
Medicare allowed
$125,719
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 650 | 249 | $102 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 401 | 261 | $69 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 66 | 66 | $140 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 60 | 41 | $151 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 42 | 33 | $70 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 38 | 29 | $37 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 25 | $103 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 24 | 20 | $37 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 18 | 16 | $69 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 17 | 17 | $191 |
In context: peer comparison
Among 16 peers in Duarte Medical Oncology Physician, average services per provider: 239. This provider delivers 5.7× the peer median.Open Payments
Industry payments received
All-time total
$13,411
Transactions
47
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals INC. | 8 | $4,212.40 | |
| Janssen Scientific Affairs, LLC | 4 | $3,142.15 | |
| Astellas Pharma Europe LTD | 1 | $2,812.50 | |
| Astellas Pharma Global Development | 1 | $937.50 | |
| Novartis Pharmaceuticals Corporation | 2 | $691.25 | |
| Pfizer INC. | 5 | $580.71 | |
| Sumitomo Pharma America, INC. | 3 | $213.03 | |
| Janssen Biotech, INC. | 3 | $169.08 | |
| Blue Earth Diagnostics Limited | 1 | $159.06 | |
| Dendreon Pharmaceuticals LLC | 9 | $158.01 | |
| Emd Serono, INC. | 2 | $80.84 | |
| Teleflex LLC | 3 | $68.71 | |
| Merck Sharp & Dohme LLC | 2 | $50.88 | |
| Fennec Pharmaceuticals, INC. | 1 | $50.81 | |
| Ferring Pharmaceuticals INC. | 2 | $39.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,060
Patients
171
Total drug cost
$5,280,897
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Orgovyx (Relugolix) | Brand | 290 | 55 | $791,277 |
| Abiraterone Acetate | Generic | 252 | 37 | $863,431 |
| Prednisone | Generic | 139 | 32 | $758 |
| Nubeqa (Darolutamide) | Brand | 133 | 23 | $1,789,818 |
| Xtandi (Enzalutamide) | Brand | 56 | 0 | $825,709 |
| Erleada (Apalutamide) | Brand | 45 | 0 | $693,521 |
| Gabapentin | Generic | 26 | 0 | $245 |
| Ondansetron Hcl | Generic | 21 | 13 | $608 |
| Lynparza (Olaparib) | Brand | 18 | 0 | $313,515 |
| Dexamethasone | Generic | 15 | 11 | $261 |
Hospital affiliations
Frequently asked questions
What is Dr. Tanya Dorff's medical specialty?
Dr. Tanya Dorff practices Medical Oncology Physician in Duarte, CA.
Where does Dr. Tanya Dorff practice?
Dr. Tanya Dorff practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Tanya Dorff's NPI?
Dr. Tanya Dorff's National Provider Identifier (NPI) is 1508879115, issued by NPPES.
Does Dr. Tanya Dorff accept Medicare assignment?
Yes. Dr. Tanya Dorff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tanya Dorff commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.