Sebastian Johnson Sasu, M.D.
Pathology (CMS) · South San Francisco, CA
At a glance
383 E Grand Ave Ste A, South San Francisco, CA 94080-6234
NPPES record updated Nov 5, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
383 E Grand Ave Ste ASouth San Francisco, CA 94080-6234
Additional reported practice locations
2500 Grant RdMountain View, CA 940404302
Phone: 6506162951 170 Alameda De Las Pulgas
Redwood City, CA 940622751
Phone: 6506162951 1501 Trousdale Dr
Burlingame, CA 940104506
Phone: 6506162951 815 Pollard Rd
Los Gatos, CA 950321438
Phone: 6506162951
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 1996
- CMS specialties
- Pathology
Practice groups
Reported hospital affiliations
- Alta Bates Summit Medical Center Oakland, CA
- El Camino Health Mountain View, CA
- Peninsula Medical Center Burlingame, CA
- Sequoia Hospital Redwood City, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Pathology (CMS)
- Taxonomy code
- 207ZP0102X
- Enumeration date
- Mar 22, 2007
- Record updated
- Nov 5, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207ZP0102X · Primary
License reported: A89268 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
383 E Grand Ave Ste ASouth San Francisco, CA 94080-6234
- Phone
- (650) 616-2951
Mailing address
1328 22ND STSANTA MONICA, CA 904042032
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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