Maryliza El-Masry, M.D.
NPI 1760786495 · Medical Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryliza El-Masry, M.D. is a Medical Oncology Physician provider in Los Angeles, CA (NPI 1760786495).
Provider details
- NPI number
- 1760786495
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A111175 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,762 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 858 | $139 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 478 | $9 |
| Administration of Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96402 | 162 | $40 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 99 | $195 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 68 | $238 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 294 | 82 |
| Letrozole | 150 | 39 |
| Exemestane | 95 | 23 |
| Palbociclibbrand: Ibrance | 92 | 11 |
| Gabapentin | 71 | 26 |
| Famotidine | 52 | 18 |
| Cromolyn Sodium | 47 | 15 |
| Ondansetron Hcl | 36 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$210 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-01-10
- Last updated
- 2016-05-13
Frequently asked questions
- What is Maryliza El-Masry's NPI number?
- Maryliza El-Masry's National Provider Identifier (NPI) is 1760786495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryliza El-Masry's specialty?
- Maryliza El-Masry is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Maryliza El-Masry located?
- Maryliza El-Masry's practice location on file with NPPES is Usc Dept of Internal Medicine 2020 Zonal Ave Ste 620, Los Angeles, CA 90089-0001.
- What is Maryliza El-Masry's phone number?
- The practice phone number listed in the NPPES registry for Maryliza El-Masry is (323) 226-7556.
- Does Maryliza El-Masry accept Medicare?
- Maryliza El-Masry is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryliza El-Masry's NPI active?
- Yes — Maryliza El-Masry's NPI (1760786495) is active in the NPPES registry as of the last update on 2016-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.