Doctor profile · Federal record
Dr. David Masiello, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Los Angeles, CA
- NPI 1427277573
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1700 Ceaser E Chavez Ave, Suite 3600
Los Angeles, CA 90033
(617) 320-9510 - Mailing address
-
1700 E Cesar E Chavez Ave, Suite 3500
Los Angeles, CA 900332424
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- December 22, 2014
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #A94680
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427277573. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
123
Distinct HCPCS
4
Medicare allowed
$13,385
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 48 | 27 | $96 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 30 | 16 | $93 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 25 | 18 | $131 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 16 | $134 |
In context: peer comparison
Among 50 peers in Los Angeles Hematology & Oncology Physician, average services per provider: 1,244. This provider delivers 0.1× the peer median.Open Payments
Industry payments received
All-time total
$3,817
Transactions
139
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 20 | $375.13 | |
| BeiGene USA, INC. | 13 | $359.92 | |
| Janssen Biotech, INC. | 16 | $326.22 | |
| Pfizer INC. | 14 | $263.19 | |
| E.R. Squibb & Sons, L.L.C. | 15 | $230.51 | |
| AstraZeneca Pharmaceuticals Lp | 10 | $197.96 | |
| Lilly USA, LLC | 9 | $165.29 | |
| Takeda Pharmaceuticals U.S.A., INC. | 6 | $142.86 | |
| Gilead Sciences, INC. | 7 | $142.73 | |
| Daiichi Sankyo INC. | 7 | $141.01 | |
| Eisai INC. | 5 | $131.26 | |
| Emd Serono, INC. | 3 | $119.67 | |
| Abbvie INC. | 5 | $108.56 | |
| Bayer Healthcare Pharmaceuticals INC. | 4 | $106.13 | |
| GlaxoSmithKline, LLC. | 5 | $99.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,245
Patients
305
Total drug cost
$4,177,192
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 392 | 125 | $15,330 |
| Hydroxyurea | Generic | 107 | 24 | $3,419 |
| Ondansetron Hcl | Generic | 98 | 55 | $968 |
| Procrit (Epoetin Alfa) | Brand | 85 | 28 | $152,076 |
| Prednisone | Generic | 73 | 20 | $363 |
| Dexamethasone | Generic | 70 | 17 | $1,547 |
| Ninlaro (Ixazomib Citrate) | Brand | 69 | 0 | $874,465 |
| Orgovyx (Relugolix) | Brand | 50 | 0 | $137,953 |
| Zarxio (Filgrastim-Sndz) | Brand | 50 | 18 | $54,925 |
| Calquence (Acalabrutinib Maleate) | Brand | 49 | 0 | $771,919 |
Frequently asked questions
What is Dr. David Masiello's medical specialty?
Dr. David Masiello practices Hematology & Oncology Physician in Los Angeles, CA.
Where does Dr. David Masiello practice?
Dr. David Masiello practices at 1700 Ceaser E Chavez Ave, Los Angeles, CA 90033. Office phone: 6173209510.
What is Dr. David Masiello's NPI?
Dr. David Masiello's National Provider Identifier (NPI) is 1427277573, issued by NPPES.
Does Dr. David Masiello accept Medicare assignment?
Yes. Dr. David Masiello accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Masiello commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.