Hyma Vempaty, MD
NPI 1750389250 · Hematology (Internal Medicine) Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hyma Vempaty, MD is a Hematology (Internal Medicine) Physician provider in Stanford, CA (NPI 1750389250).
Provider details
- NPI number
- 1750389250
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A61497 (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 tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 36 | 15 |
| Lenalidomide | 28 | — |
| Acyclovir | 27 | 11 |
| Ruxolitinib Phosphatebrand: Jakafi | 23 | — |
| Prednisone | 22 | — |
| Dexamethasone | 19 | — |
| Zanubrutinibbrand: Brukinsa | 14 | — |
| Eltrombopag Cholinebrand: Alvaiz |
Practice location
Mailing address
Additional practice locations (1)
- 710 Lawrence ExpyKaiser PermanenteSanta Clara, CA 95051-5173Phone: (408) 851-4304Fax: (408) 851-4319
Registry dates
- Enumerated
- 2005-07-08
- Last updated
- 2025-07-21
- Certified
- 2025-07-21
Frequently asked questions
- What is Hyma Vempaty's NPI number?
- Hyma Vempaty's National Provider Identifier (NPI) is 1750389250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hyma Vempaty's specialty?
- Hyma Vempaty is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Hyma Vempaty located?
- Hyma Vempaty's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Hyma Vempaty's phone number?
- The practice phone number listed in the NPPES registry for Hyma Vempaty is (650) 723-4000.
- Does Hyma Vempaty accept Medicare?
- Hyma Vempaty is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hyma Vempaty's NPI active?
- Yes — Hyma Vempaty's NPI (1750389250) is active in the NPPES registry as of the last update on 2025-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.