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Hospitalist

Cassandra Dasmarinas, DO

Sees patients in Walnut Creek, CA · California

Summary

Cassandra Dasmarinas, DO (Hospitalist) is enrolled with Medicare at 3 practice locations in Walnut Creek, CA. NPI 1124720388. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Cassandra Dasmarinas, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HospitalistPrimary specialty
May acceptAccepts Medicare assignment
3Years since medical school (graduated 2023)
FemaleGender (as listed)

Quick answers

Where does Cassandra Dasmarinas see patients?
Medicare's clinician data lists 3 practice locations, including Walnut Creek, CA. Call before your visit to confirm the address.
What is Cassandra Dasmarinas's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Cassandra Dasmarinas accept Medicare assignment?
Medicare's clinician data says Cassandra Dasmarinas may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Cassandra Dasmarinas's NPI number?
1124720388. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Cassandra Dasmarinas is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Walnut Creek

Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.

All hospitalists in Walnut Creek →

Clinician information

CredentialDO
Graduation year2023
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1124720388
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians