Vishwanath Ganesan, MD
NPI 1679156368 · Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vishwanath Ganesan, MD is a Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1679156368).
Provider details
- NPI number
- 1679156368
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 55 | 21 |
| Amlodipine Besylate | 36 | 12 |
| Losartan Potassium | 29 | — |
| Metformin Hcl | 26 | — |
| Gabapentin | 18 | — |
| Rosuvastatin Calcium | 16 | — |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$641 across 15 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
- 2021-04-30
- Last updated
- 2025-01-22
- Certified
- 2025-01-22
Frequently asked questions
- What is Vishwanath Ganesan's NPI number?
- Vishwanath Ganesan's National Provider Identifier (NPI) is 1679156368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vishwanath Ganesan's specialty?
- Vishwanath Ganesan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Vishwanath Ganesan located?
- Vishwanath Ganesan's practice location on file with NPPES is 1441 Eastlake Ave Los Angeles Ca 90089, Los Angeles, CA 90089-0001.
- What is Vishwanath Ganesan's phone number?
- The practice phone number listed in the NPPES registry for Vishwanath Ganesan is (800) 872-2273.
- Does Vishwanath Ganesan accept Medicare?
- Vishwanath Ganesan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vishwanath Ganesan's NPI active?
- Yes — Vishwanath Ganesan's NPI (1679156368) is active in the NPPES registry as of the last update on 2025-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.