Gayatri Vaidyanathan, MBBS
NPI 1750524591 · Hematology & Oncology Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gayatri Vaidyanathan, MBBS is a Hematology & Oncology Physician provider in Williamsville, NY (NPI 1750524591).
Provider details
- NPI number
- 1750524591
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MBBS
- Sex
- Female
- Sole proprietor
- No
- License
- 278391 (NY)
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,989 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 554 | $123 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 500 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 320 | $10 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 204 | $7 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 149 | $121 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 130 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 436 | 112 |
| Hydroxyurea | 144 | 29 |
| Letrozole | 123 | 35 |
| Exemestane | 113 | 28 |
| Prednisone | 98 | 41 |
| Tamoxifen Citrate | 81 | 18 |
| Apixabanbrand: Eliquis | 74 | 18 |
| Ibrutinibbrand: Imbruvica |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-09
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Gayatri Vaidyanathan's NPI number?
- Gayatri Vaidyanathan's National Provider Identifier (NPI) is 1750524591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gayatri Vaidyanathan's specialty?
- Gayatri Vaidyanathan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gayatri Vaidyanathan located?
- Gayatri Vaidyanathan's practice location on file with NPPES is 295 Essjay Rd, Williamsville, NY 14221-5795.
- What is Gayatri Vaidyanathan's phone number?
- The practice phone number listed in the NPPES registry for Gayatri Vaidyanathan is (716) 630-1343.
- Does Gayatri Vaidyanathan accept Medicare?
- Gayatri Vaidyanathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gayatri Vaidyanathan's NPI active?
- Yes — Gayatri Vaidyanathan's NPI (1750524591) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.