Dhananjay Chatterjee, MD - Medicare Internal Medicine in Calabasas, CA

Dhananjay Chatterjee, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Calabasas, California. His current practice location is 26585 Agoura Rd Ste 310, Calabasas, California. You can reach out to his office (for appointments etc.) via phone at (818) 880-0080.

Dhananjay Chatterjee is licensed to practice in California (license number A156184) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1497117782.

Contact Information

Dhananjay Chatterjee, MD
26585 Agoura Rd Ste 310,
Calabasas, CA 91302-1958
(818) 880-0080
Not Available

Map and Direction




Physician's Profile

Full NameDhananjay Chatterjee
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location26585 Agoura Rd Ste 310, Calabasas, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1497117782
  • Provider Enumeration Date: 03/24/2016
  • Last Update Date: 08/01/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2668830829
  • Enrollment ID: I20230620002297

Medical Identifiers

Medical identifiers for Dhananjay Chatterjee such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497117782NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0011XInternal Medicine - Interventional Cardiology A156184 (California)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease A156184 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dhananjay Chatterjee allows following entities to bill medicare on his behalf.
Entity NameThe Regents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235107566
PECOS PAC ID: 1355248584
Enrollment ID: O20031223000439

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dhananjay Chatterjee is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dhananjay Chatterjee, MD
5767 W Century Blvd Ste 400,
Los Angeles, CA 90045-5631

Ph: (310) 301-8707
Dhananjay Chatterjee, MD
26585 Agoura Rd Ste 310,
Calabasas, CA 91302-1958

Ph: (818) 880-0080

Reviews and Comments


Internal Medicine Doctors in Calabasas, CA

Dr. Wayne Imber, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 23679 Calabasas Rd 539, Calabasas, CA 91302
Phone: 818-970-7693    
Pegah Mehdizadeh, DO
Cardiovascular Disease
Medicare: Medicare Enrolled
Practice Location: 3809 Paseo Primario, Calabasas, CA 91302
Phone: 818-922-5204    
Samuel Burstein,
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 24013 Ventura Blvd # 101, Calabasas, CA 91302
Phone: 818-222-2443    Fax: 818-222-2491
Patrick Michael Yaffee, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 26585 Agoura Rd Ste 330, Calabasas, CA 91302
Phone: 818-876-1050    Fax: 818-876-1026
Raymond Urbanski, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 26950 Alsace Dr, Calabasas, CA 91302
Phone: 973-873-8306    
Ali Atabaki, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 24623 Via Tecolote, Calabasas, CA 91302
Phone: 626-375-6431    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.