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Family Practice

Duncan J. Jacobson, DO

Works at hospitals in Sonora, CA · Manteca, CA · Modesto, CA … · California

Summary

Duncan J. Jacobson, DO (Family Practice) is listed by Medicare at 5 hospitals in Sonora, CA, Manteca, CA and Modesto, CA and other places. NPI 1457989345. 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 Duncan J. Jacobson, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
Western Un Of Hlth Sciences, Col Of Podiatric MedMedical school
MaleGender (as listed)
Hospitalists of Modesto Medical Group IncGroup practice

Quick answers

Which hospitals does Duncan J. Jacobson work at?
Medicare's official clinician data lists Duncan J. Jacobson at 5 hospitals: Adventist Health Sonora, Doctors Hospital of Manteca, Doctors Medical Center, Emanuel Medical Center and Mercy Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Duncan J. Jacobson see patients?
Medicare's clinician data lists 2 practice locations, including Manteca, CA and Turlock, CA. Call before your visit to confirm the address.
What is Duncan J. Jacobson's specialty?
Medicare lists Family Practice as the primary specialty.
Does Duncan J. Jacobson accept Medicare assignment?
Yes. Medicare's clinician data says Duncan J. Jacobson 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.
What is the phone number for Duncan J. Jacobson?
(209) 576-3525, as listed in official Medicare / NPI Registry data.
What is Duncan J. Jacobson's NPI number?
1457989345. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Duncan J. Jacobson works

Medicare's Facility Affiliation Data lists Duncan J. Jacobson 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 Duncan J. Jacobson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Duncan J. Jacobson as a member of this group (CMS data updated 2026-10-02).

  • Hospitalists of Modesto Medical Group Inc85 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Manteca

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

All family doctors in Manteca →

Clinician information

CredentialDO
Medical schoolWestern Un Of Hlth Sciences, Col Of Podiatric Med
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457989345
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