Michael Sasiain, PSY.D.
NPI 1841625837 · Psychologist · Redwood City, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Sasiain, PSY.D. is a Psychologist provider in Redwood City, CA (NPI 1841625837).
Provider details
- NPI number
- 1841625837
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 501 E 1st StNewberg, OR 97132-2909Phone: (503) 538-4874
Registry dates
- Enumerated
- 2013-09-09
- Last updated
- 2022-01-11
- Certified
- 2021-01-15
Frequently asked questions
- What is Michael Sasiain's NPI number?
- Michael Sasiain's National Provider Identifier (NPI) is 1841625837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Sasiain's specialty?
- Michael Sasiain is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Michael Sasiain located?
- Michael Sasiain's practice location on file with NPPES is 1400 Veterans Blvd, Redwood City, CA 94063-2612.
- What is Michael Sasiain's phone number?
- The practice phone number listed in the NPPES registry for Michael Sasiain is (650) 299-4777.
- Does Michael Sasiain accept Medicare?
- Michael Sasiain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Sasiain's NPI active?
- Yes — Michael Sasiain's NPI (1841625837) is active in the NPPES registry as of the last update on 2022-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.