Matthew Rettig, MD
NPI 1487751798 · Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Rettig, MD is a Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1487751798).
Provider details
- NPI number
- 1487751798
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A52586 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
658 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 | 324 | $142 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 152 | $100 |
| Administration of Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96402 | 87 | $41 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 46 | $199 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 30 | $240 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Darolutamidebrand: Nubeqa | 220 | 27 |
| Enzalutamidebrand: Xtandi | 161 | 22 |
| Relugolixbrand: Orgovyx | 125 | 19 |
| Apalutamidebrand: Erleada | 97 | 12 |
| Abiraterone Acetate | 94 | 17 |
| Prednisone | 61 | 24 |
| Ibandronate Sodium | 49 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22,568 across 41 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
- 2006-09-20
- Last updated
- 2020-01-09
- Certified
- 2020-01-09
Frequently asked questions
- What is Matthew Rettig's NPI number?
- Matthew Rettig's National Provider Identifier (NPI) is 1487751798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Rettig's specialty?
- Matthew Rettig is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Rettig located?
- Matthew Rettig's practice location on file with NPPES is 200 Ucla Medical Plz Ste 140, Los Angeles, CA 90095-3075.
- What is Matthew Rettig's phone number?
- The practice phone number listed in the NPPES registry for Matthew Rettig is (310) 794-7152.
- Does Matthew Rettig accept Medicare?
- Matthew Rettig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Rettig's NPI active?
- Yes — Matthew Rettig's NPI (1487751798) is active in the NPPES registry as of the last update on 2020-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.