Omkar Marathe, MD
NPI 1982989836 · Hematology & Oncology Physician · Lakewood, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Omkar Marathe, MD is a Hematology & Oncology Physician provider in Lakewood, CA (NPI 1982989836).
Provider details
- NPI number
- 1982989836
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A118615 (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
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,045 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 | 232 | $140 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 108 | $70 |
| Enhancing Oncology Model (eom) Monthly Enhanced Oncology Services (meos) Payment for Eom Enhanced ServicesM0010 | 106 | $86 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 105 | $152 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 104 | $125 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 |
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 |
|---|---|---|
| Dexamethasone | 60 | 36 |
| Relugolixbrand: Orgovyx | 55 | 11 |
| Anastrozole | 47 | 19 |
| Ondansetronbrand: Ondansetron Odt | 46 | 32 |
| Apixabanbrand: Eliquis | 34 | 13 |
| Aprepitant | 27 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,068 across 164 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
Additional practice locations (2)
- 11480 Brookshire Ave Ste 309Downey, CA 90241Phone: (562) 869-1201
- 11480 Brookshire Ave Ste 309Downey, CA 90241Phone: (562) 869-1201
Registry dates
- Enumerated
- 2011-10-11
- Last updated
- 2018-11-19
Frequently asked questions
- What is Omkar Marathe's NPI number?
- Omkar Marathe's National Provider Identifier (NPI) is 1982989836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Omkar Marathe's specialty?
- Omkar Marathe is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Omkar Marathe located?
- Omkar Marathe's practice location on file with NPPES is 3300 E South St Ste 304, Lakewood, CA 90805.
- What is Omkar Marathe's phone number?
- The practice phone number listed in the NPPES registry for Omkar Marathe is (562) 232-0550.
- Does Omkar Marathe accept Medicare?
- Omkar Marathe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Omkar Marathe's NPI active?
- Yes — Omkar Marathe's NPI (1982989836) is active in the NPPES registry as of the last update on 2018-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.