Alaa Altahan
NPI 1952757684 · Hematology & Oncology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alaa Altahan is a Hematology & Oncology Physician provider in San Jose, CA (NPI 1952757684).
Provider details
- NPI number
- 1952757684
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 60480 (TN)
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
10 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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 126 | 26 |
| Prednisone | 95 | 31 |
| Dexamethasone | 78 | 19 |
| Lenalidomide | 74 | 15 |
| Allopurinol | 60 | 26 |
| Hydroxyurea | 57 | 22 |
| Pomalidomidebrand: Pomalyst | 55 | — |
| Zanubrutinibbrand: Brukinsa | 41 |
Practice location
Mailing address
Additional practice locations (1)
- 880 Madison AveMemphis, TN 38103-3409Phone: (901) 515-9595Fax: (901) 515-9162
Registry dates
- Enumerated
- 2016-05-12
- Last updated
- 2025-08-11
- Certified
- 2025-08-11
Frequently asked questions
- What is Alaa Altahan's NPI number?
- Alaa Altahan's National Provider Identifier (NPI) is 1952757684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alaa Altahan's specialty?
- Alaa Altahan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Alaa Altahan located?
- Alaa Altahan's practice location on file with NPPES is 270 International Cir, San Jose, CA 95119-1130.
- What is Alaa Altahan's phone number?
- The practice phone number listed in the NPPES registry for Alaa Altahan is (408) 972-6560.
- Does Alaa Altahan accept Medicare?
- Alaa Altahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alaa Altahan's NPI active?
- Yes — Alaa Altahan's NPI (1952757684) is active in the NPPES registry as of the last update on 2025-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.