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Internal Medicine

Sujay Dayal, DO

Sees patients in Chino Hills, CA · Pleasanton, CA · California

Summary

Sujay Dayal, DO (Internal Medicine) is enrolled with Medicare at 2 practice locations in Chino Hills, CA and Pleasanton, CA. NPI 1740920966. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sujay Dayal, 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

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
4Years since medical school (graduated 2022)
Western University Of Health Sciences College Of Dental MedMedical school
MaleGender (as listed)

Quick answers

Where does Sujay Dayal see patients?
Medicare's clinician data lists 2 practice locations, including Chino Hills, CA and Pleasanton, CA. Call before your visit to confirm the address.
What is Sujay Dayal's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Sujay Dayal accept Medicare assignment?
Medicare's clinician data says Sujay Dayal may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Sujay Dayal's NPI number?
1740920966. 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 Sujay Dayal is enrolled with Medicare (CMS data updated 2026-10-02).

  • 2334 Brown Deer CtChino Hills, CA 91709
  • 5820 Owens Dr Building E 2nd FloorPleasanton, CA 91709

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Chino Hills

Clinicians with the same Medicare primary specialty in Chino Hills, CA — not a recommendation.

All internal medicine doctors in Chino Hills →

Clinician information

CredentialDO
Medical schoolWestern University Of Health Sciences College Of Dental Med
Graduation year2022
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1740920966
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