Dr Leonard S Sender, MD - Medicare Hematology/oncology in El Segundo, CA

Dr Leonard S Sender, MD is a medicare enrolled "Pediatrics - Pediatric Hematology-oncology" physician in El Segundo, California. He graduated from medical school in 1982 and has 43 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Immuno-oncology Clinic Inc and his current practice location is 2040 E Mariposa Ave, El Segundo, California. You can reach out to his office (for appointments etc.) via phone at (213) 266-5600.

Dr Leonard S Sender is licensed to practice in California (license number A41293) 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 1952499741.

Contact Information

Dr Leonard S Sender, MD
2040 E Mariposa Ave,
El Segundo, CA 90245
(213) 266-5600
Not Available

Map and Direction




Physician's Profile

Full NameDr Leonard S Sender
GenderMale
SpecialityHematology/oncology
Experience43 Years
Location2040 E Mariposa Ave, El Segundo, 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:
  • Dr Leonard S Sender graduated from medical school in 1982
  NPI Data:
  • NPI Number: 1952499741
  • Provider Enumeration Date: 10/10/2006
  • Last Update Date: 10/01/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 4789579590
  • Enrollment ID: I20040219000951

Medical Identifiers

Medical identifiers for Dr Leonard S Sender such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1952499741NPI-NPPES
00A412930MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080P0207XPediatrics - Pediatric Hematology-oncology A41293 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Immuno-oncology Clinic Inc02445090573

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. Dr Leonard S Sender allows following entities to bill medicare on his behalf.
Entity NameImmuno-oncology Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215463799
PECOS PAC ID: 0244509057
Enrollment ID: O20170711002269

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. Dr Leonard S Sender 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
Dr Leonard S Sender, MD
2040 E Mariposa Ave,
El Segundo, CA 90245-5027

Ph: (714) 615-2350
Dr Leonard S Sender, MD
2040 E Mariposa Ave,
El Segundo, CA 90245

Ph: (213) 266-5600

Reviews and Comments


Pediatrics Doctors in El Segundo, CA

Krista Grimm, M.D.
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Phone: 310-653-6679    Fax: 310-653-6453
Dr. Stephanie Mae Lampke, MD
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Medicare: Medicare Enrolled
Practice Location: 483 N Aviation Blvd, El Segundo, CA 90245
Phone: 310-653-2873    
Dr. Richard Alan Brucker, MD
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Medicare: Medicare Enrolled
Practice Location: 2110 E El Segundo Blvd Ste 210, El Segundo, CA 90245
Phone: 310-784-8704    Fax: 310-893-0430

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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