Suleiman Massarweh, MD
NPI 1972619708 · Medical Oncology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Suleiman Massarweh, MD is a Medical Oncology Physician provider in Stanford, CA (NPI 1972619708).
Provider details
- NPI number
- 1972619708
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C133507 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2015-03-31
Frequently asked questions
- What is Suleiman Massarweh's NPI number?
- Suleiman Massarweh's National Provider Identifier (NPI) is 1972619708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Suleiman Massarweh's specialty?
- Suleiman Massarweh is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Suleiman Massarweh located?
- Suleiman Massarweh's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Suleiman Massarweh's phone number?
- The practice phone number listed in the NPPES registry for Suleiman Massarweh is (650) 723-4000.
- Does Suleiman Massarweh accept Medicare?
- Suleiman Massarweh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Suleiman Massarweh's NPI active?
- Yes — Suleiman Massarweh's NPI (1972619708) is active in the NPPES registry as of the last update on 2015-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.