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Hematology

Leonard T. Hackett, MD

Works at hospitals in Clovis, CA · Fresno, CA · California

Summary

Leonard T. Hackett, MD (Hematology) is listed by Medicare at 2 hospitals in Clovis, CA and Fresno, CA. NPI 1669466868. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Leonard T. Hackett, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HematologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
49Years since medical school (graduated 1977)
MaleGender (as listed)
California Cancer Associates for Research and Excellence IncGroup practice

Quick answers

Which hospitals does Leonard T. Hackett work at?
Medicare's official clinician data lists Leonard T. Hackett at 2 hospitals: Clovis Community Medical Center and Saint Agnes Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Leonard T. Hackett see patients?
Medicare's clinician data lists 1 practice location in Fresno, CA. Call before your visit to confirm the address.
What is Leonard T. Hackett's specialty?
Medicare lists Hematology as the primary specialty, and also Medical Oncology.
Does Leonard T. Hackett accept Medicare assignment?
Yes. Medicare's clinician data says Leonard T. Hackett accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Leonard T. Hackett offer telehealth?
Medicare's clinician data says Leonard T. Hackett offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Leonard T. Hackett?
(559) 326-1222, as listed in official Medicare / NPI Registry data.
What is Leonard T. Hackett's NPI number?
1669466868. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Leonard T. Hackett works

Medicare's Facility Affiliation Data lists Leonard T. Hackett at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Leonard T. Hackett is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Leonard T. Hackett as a member of this group (CMS data updated 2026-10-02).

  • California Cancer Associates for Research and Excellence Inc65 clinicians in the group

Specialties

Find other Hematology doctors in California →

Other hematologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All hematologists in California →

Clinician information

CredentialMD
Graduation year1977
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1669466868
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians