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Internal Medicine

Joseph A. De Leon, MD

Works at hospitals in Sacramento, CA · California

Summary

Joseph A. De Leon, MD (Internal Medicine) is listed by Medicare at 1 hospital in Sacramento, CA. NPI 1821380551. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

Call(916) 688‑2000 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph A. De Leon, 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

1Hospital
1Practice location
Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
21Years since medical school (graduated 2005)
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Joseph A. De Leon work at?
Medicare's official clinician data lists Joseph A. De Leon at 1 hospital: Kaiser Foundation Hospital So Sacramento. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joseph A. De Leon see patients?
Medicare's clinician data lists 1 practice location in Sacramento, CA. Call before your visit to confirm the address.
What is Joseph A. De Leon's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Nephrology.
Does Joseph A. De Leon accept Medicare assignment?
Yes. Medicare's clinician data says Joseph A. De Leon 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 Joseph A. De Leon offer telehealth?
Medicare's clinician data says Joseph A. De Leon offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Joseph A. De Leon?
(916) 688-2000, as listed in official Medicare / NPI Registry data.
What is Joseph A. De Leon's NPI number?
1821380551. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joseph A. De Leon works

Medicare's Facility Affiliation Data lists Joseph A. De Leon 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 Joseph A. De Leon is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joseph A. De Leon as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Sacramento

Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.

All internal medicine doctors in Sacramento →

Clinician information

CredentialMD
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1821380551
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