Vivek Subbiah, MD
NPI 1174726384 · Medical Oncology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivek Subbiah, MD is a Medical Oncology Physician provider in Stanford, CA (NPI 1174726384).
Provider details
- NPI number
- 1174726384
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C206969 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
434 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 117 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 84 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 71 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 61 | $166 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 44 | $108 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19,081 across 35 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 (1)
- 1515 Holcombe Blvd# 87Houston, TX 77030-4000Phone: (216) 255-2748
Registry dates
- Enumerated
- 2007-06-06
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Vivek Subbiah's NPI number?
- Vivek Subbiah's National Provider Identifier (NPI) is 1174726384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivek Subbiah's specialty?
- Vivek Subbiah is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Vivek Subbiah located?
- Vivek Subbiah's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Vivek Subbiah's phone number?
- The practice phone number listed in the NPPES registry for Vivek Subbiah is (650) 723-4000.
- Does Vivek Subbiah accept Medicare?
- Vivek Subbiah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivek Subbiah's NPI active?
- Yes — Vivek Subbiah's NPI (1174726384) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.