Michael Santiago, MD
NPI 1588899603 · Emergency Medicine Physician · Seattle, WA
Michael Santiago, MD is a Emergency Medicine Physician provider in Seattle, WA (NPI 1588899603).
Provider details
- NPI number
- 1588899603
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A127085 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
17 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.
Practice location
Mailing address
Additional practice locations (1)
- 900 Commodore DrSan Bruno, CA 94066-2402Phone: (650) 244-9806
Registry dates
- Enumerated
- 2009-05-19
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Michael Santiago's NPI number?
- Michael Santiago's National Provider Identifier (NPI) is 1588899603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Santiago's specialty?
- Michael Santiago is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Santiago located?
- Michael Santiago's practice location on file with NPPES is 1660 S Columbian Way # Er, Seattle, WA 98108-1532.
- What is Michael Santiago's phone number?
- The practice phone number listed in the NPPES registry for Michael Santiago is (443) 722-3404.
- Is Michael Santiago's NPI active?
- Yes — Michael Santiago's NPI (1588899603) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.