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Cardiovascular Disease (Cardiology)

Dhananjay Chatterjee, MD

Works at hospitals in Simi Valley, CA · Thousand Oaks, CA · Los Angeles, CA … · California

Summary

Dhananjay Chatterjee, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 4 hospitals in Simi Valley, CA, Thousand Oaks, CA and Los Angeles, CA and other places. NPI 1497117782. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Dhananjay Chatterjee, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)
The Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Dhananjay Chatterjee work at?
Medicare's official clinician data lists Dhananjay Chatterjee at 4 hospitals: Adventist Health Simi Valley, Los Robles Hospital & Medical Center, Ronald Reagan UCLA Medical Center and Santa Monica - UCLA Med Ctr & Orthopaedic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Dhananjay Chatterjee see patients?
Medicare's clinician data lists 7 practice locations, including Thousand Oaks, CA, Santa Monica, CA and Calabasas, CA. Call before your visit to confirm the address.
What is Dhananjay Chatterjee's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Interventional Cardiology.
Does Dhananjay Chatterjee accept Medicare assignment?
Yes. Medicare's clinician data says Dhananjay Chatterjee accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Dhananjay Chatterjee offer telehealth?
Medicare's clinician data says Dhananjay Chatterjee offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Dhananjay Chatterjee?
(805) 418-3500, as listed in official Medicare / NPI Registry data.
What is Dhananjay Chatterjee's NPI number?
1497117782. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dhananjay Chatterjee works

Medicare's Facility Affiliation Data lists Dhananjay Chatterjee at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Dhananjay Chatterjee is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Dhananjay Chatterjee as a member of this group (CMS data updated 2026-10-02).

  • The Regents of the University of California1,462 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Thousand Oaks

Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.

All cardiologists in Thousand Oaks →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1497117782
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians