Mrs Tanya B Dorff, MD - Medicare Medical Oncology in Duarte, CA

Mrs Tanya B Dorff, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Duarte, California. She went to University Of California, Geffen School Of Medicine and graduated in 2000 and has 24 years of diverse experience with area of expertise as Medical Oncology. She is a member of the group practice City Of Hope Medical Foundation and her current practice location is 1500 Duarte Rd, Duarte, California. You can reach out to her office (for appointments etc.) via phone at (626) 256-4673.

Mrs Tanya B Dorff is licensed to practice in California (license number A82669) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1508879115.

Contact Information

Mrs Tanya B Dorff, MD
1500 Duarte Rd,
Duarte, CA 91010-3012
(626) 256-4673
Not Available

Map and Direction




Physician's Profile

Full NameMrs Tanya B Dorff
GenderFemale
SpecialityMedical Oncology
Experience24 Years
Location1500 Duarte Rd, Duarte, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mrs Tanya B Dorff attended and graduated from University Of California, Geffen School Of Medicine in 2000
  NPI Data:
  • NPI Number: 1508879115
  • Provider Enumeration Date: 08/14/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4486658804
  • Enrollment ID: I20060826000091

Medical Identifiers

Medical identifiers for Mrs Tanya B Dorff such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1508879115NPI-NPPES
GR0100430OtherCAGROUP MEDICAL
A82669OtherCAMEDICAL LICENSE
W15185AOtherCAMEDICARE PTAN - FACILITY
W15185OtherCAMEDICARE PTAN - FACILITY
W18762OtherCAGROUP MEDICARE
1902846306OtherCAGROUP NPI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology A82669 (California)Secondary
207R00000XInternal Medicine A82669 (California)Secondary
207RX0202XInternal Medicine - Medical Oncology A82669 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
City Of Hope Medical Foundation3779751656690

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. Mrs Tanya B Dorff allows following entities to bill medicare on her behalf.
Entity NameCity Of Hope Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871886366
PECOS PAC ID: 3779751656
Enrollment ID: O20110720000244

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. Mrs Tanya B Dorff 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
Mrs Tanya B Dorff, MD
Po Box 512185,
Los Angeles, CA 90051-0185

Ph: (626) 775-3514
Mrs Tanya B Dorff, MD
1500 Duarte Rd,
Duarte, CA 91010-3012

Ph: (626) 256-4673

Reviews and Comments


Internal Medicine Doctors in Duarte, CA

Sasan Fazeli, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1500 Duarte Rd, Duarte, CA 91010
Phone: 626-256-4673    Fax: 626-408-3911
Mr. Yun Yen, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1500 E Duarte Rd, Duarte, CA 91010
Phone: 626-359-8111    
Dr. Randy Allison Taplitz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1500 Duarte Rd, Duarte, CA 91010
Phone: 626-256-4673    
Dr. Liying Cai, M.D., PH.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1500 Duarte Rd, Duarte, CA 91010
Phone: 626-256-4673    
Peter Poon-hang Lee, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1500 Duarte Rd, Duarte, CA 91010
Phone: 626-359-8111    
Dr. Sharonlin Bhardwaj, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1500 Duarte Rd, Duarte, CA 91010
Phone: 626-256-4673    
Dr. Martin Valera Consunji, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1500 Duarte Rd, Duarte, CA 91010
Phone: 626-256-4673    

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.

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