Dr Leonard Thomas Hackett, MD - Medicare Hematology in Fresno, CA

Dr Leonard Thomas Hackett, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Fresno, California. He graduated from medical school in 1977 and has 47 years of diverse experience with area of expertise as Hematology. He is a member of the group practice California Cancer Associates For Research And Excellence Inc and his current practice location is 7130 N Millbrook Ave, Suite 100, Fresno, California. You can reach out to his office (for appointments etc.) via phone at (559) 326-1238.

Dr Leonard Thomas Hackett is licensed to practice in California (license number G52529) 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 1669466868.

Contact Information

Dr Leonard Thomas Hackett, MD
7130 N Millbrook Ave, Suite 100,
Fresno, CA 93720
(559) 326-1238
(559) 326-1230

Map and Direction




Physician's Profile

Full NameDr Leonard Thomas Hackett
GenderMale
SpecialityHematology
Experience47 Years
Location7130 N Millbrook Ave, Fresno, 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 Thomas Hackett graduated from medical school in 1977
  NPI Data:
  • NPI Number: 1669466868
  • Provider Enumeration Date: 09/02/2005
  • Last Update Date: 07/26/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 9133146160
  • Enrollment ID: I20080528000535

Medical Identifiers

Medical identifiers for Dr Leonard Thomas Hackett such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669466868NPI-NPPES
PO1345512OtherRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology G52529 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Saint Agnes Medical CenterFresno, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
California Cancer Associates For Research And Excellence Inc802291893750

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 Thomas Hackett allows following entities to bill medicare on his behalf.
Entity NameCalifornia Cancer Associates For Research And Excellence Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083661607
PECOS PAC ID: 8022918937
Enrollment ID: O20040108001068

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 Thomas Hackett 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 Thomas Hackett, MD
Po Box 25100,
Fresno, CA 93729-5100

Ph: (559) 326-1222
Dr Leonard Thomas Hackett, MD
7130 N Millbrook Ave, Suite 100,
Fresno, CA 93720

Ph: (559) 326-1238

Reviews and Comments


Internal Medicine Doctors in Fresno, CA

Maulik Shah, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 7300 N Fresno St, Fresno, CA 93720
Phone: 559-448-4555    
Dr. John R Nelson, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 7061 N Whitney, Suite 101, Fresno, CA 93720
Phone: 559-299-0224    Fax: 559-299-4201
Dexter T Estrada, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 7130 N Millbrook Ave Ste 100, Fresno, CA 93720
Phone: 559-326-1222    Fax: 559-326-1230
Dr. Sherry Lopez, D.O.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 3209 W Shaw Ave, Suite 114, Fresno, CA 93711
Phone: 559-224-4977    Fax: 559-224-4980
Maria Flordeliz Arambulo, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2823 Fresno St, Fresno, CA 93721
Phone: 559-499-6484    Fax: 559-499-6501
Shreela Mishra,
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 7085 N Chestnut Ave Ste 101, Fresno, CA 93720
Phone: 559-323-9236    Fax: 559-323-0294
Dr. Mona Aziz Zia, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 2615 E Clinton Ave, Fresno, CA 93703
Phone: 559-301-8545    

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).

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