Larry W Kwak, MD, PHD - Medicare Hematology/oncology in Duarte, CA

Larry W Kwak, MD, PHD is a medicare enrolled "Internal Medicine - Hematology" physician in Duarte, California. He went to Northwestern University Feinberg Medical School and graduated in 1981 and has 43 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice City Of Hope Medical Foundation and his current practice location is 1500 Duarte Rd, Duarte, California. You can reach out to his office (for appointments etc.) via phone at (626) 256-4673.

Larry W Kwak is licensed to practice in California (license number G55439) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1134215817.

Contact Information

Larry W Kwak, MD, PHD
1500 Duarte Rd,
Duarte, CA 91010-3012
(626) 256-4673
Not Available

Map and Direction




Physician's Profile

Full NameLarry W Kwak
GenderMale
SpecialityHematology/oncology
Experience43 Years
Location1500 Duarte Rd, Duarte, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Larry W Kwak attended and graduated from Northwestern University Feinberg Medical School in 1981
  NPI Data:
  • NPI Number: 1134215817
  • Provider Enumeration Date: 10/04/2006
  • Last Update Date: 11/11/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5294713947
  • Enrollment ID: I20150925001315

Medical Identifiers

Medical identifiers for Larry W Kwak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134215817NPI-NPPES
165889001MedicaidTX
P00170261OtherTXRR MEDICARE
8M5590OtherTXBCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology G55439 (California)Secondary
207RH0000XInternal Medicine - Hematology G55439 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
City Of Hope Medical Foundation3779751656686

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. Larry W Kwak allows following entities to bill medicare on his 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. Larry W Kwak 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
Larry W Kwak, MD, PHD
Po Box 512185,
Los Angeles, CA 90051-0185

Ph: () -
Larry W Kwak, MD, PHD
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
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Medicare: Not Enrolled in Medicare
Practice Location: 1500 E Duarte Rd, Duarte, CA 91010
Phone: 626-359-8111    
Dr. Randy Allison Taplitz, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1500 Duarte Rd, Duarte, CA 91010
Phone: 626-256-4673    
Dr. Liying Cai, M.D., PH.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1500 Duarte Rd, Duarte, CA 91010
Phone: 626-256-4673    
Peter Poon-hang Lee, MD
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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.

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.