IndividualActive
Marlon Seijo
NPI 1568111375 · Anesthesiology Physician · Santa Clara, CA
Marlon Seijo is a Anesthesiology Physician provider in Santa Clara, CA (NPI 1568111375).
Provider details
- NPI number
- 1568111375
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 190581 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
700 Lawrence Expy
Santa Clara, CA 95051-5173
Phone: (408) 851-1000
Approximate (ZIP-level) locationGet directions
Mailing address
275 W Macarthur Blvd
Oakland, CA 94611-5641
Registry dates
- Enumerated
- 2022-03-20
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Marlon Seijo's NPI number?
- Marlon Seijo's National Provider Identifier (NPI) is 1568111375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlon Seijo's specialty?
- Marlon Seijo is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marlon Seijo located?
- Marlon Seijo's practice location on file with NPPES is 700 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Marlon Seijo's phone number?
- The practice phone number listed in the NPPES registry for Marlon Seijo is (408) 851-1000.
- Is Marlon Seijo's NPI active?
- Yes — Marlon Seijo's NPI (1568111375) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.