Samantha Seaward, MD
NPI 1790862621 · Radiation Oncology Physician · Santa Clara, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samantha Seaward, MD is a Radiation Oncology Physician provider in Santa Clara, CA (NPI 1790862621).
Provider details
- NPI number
- 1790862621
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A61898 (CA)
Specialties & taxonomies
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
- 2006-10-31
- Last updated
- 2021-12-23
Frequently asked questions
- What is Samantha Seaward's NPI number?
- Samantha Seaward's National Provider Identifier (NPI) is 1790862621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samantha Seaward's specialty?
- Samantha Seaward is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Samantha Seaward located?
- Samantha Seaward's practice location on file with NPPES is 900 Kiely Blvd, Santa Clara, CA 95051-5329.
- What is Samantha Seaward's phone number?
- The practice phone number listed in the NPPES registry for Samantha Seaward is (408) 236-6400.
- Does Samantha Seaward accept Medicare?
- Samantha Seaward is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samantha Seaward's NPI active?
- Yes — Samantha Seaward's NPI (1790862621) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.