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Internal Medicine

Abigail L. Mackenzie, MD

Sees patients in Spring Valley, CA · California

Summary

Abigail L. Mackenzie, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Spring Valley, CA. NPI 1053165639. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Abigail L. Mackenzie, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
FemaleGender (as listed)
Family Health Centers of San Diego IncGroup practice

Quick answers

Where does Abigail L. Mackenzie see patients?
Medicare's clinician data lists 1 practice location in Spring Valley, CA. Call before your visit to confirm the address.
What is Abigail L. Mackenzie's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Abigail L. Mackenzie accept Medicare assignment?
Yes. Medicare's clinician data says Abigail L. Mackenzie 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 Abigail L. Mackenzie?
(619) 515-2555, as listed in official Medicare / NPI Registry data.
What is Abigail L. Mackenzie's NPI number?
1053165639. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Abigail L. Mackenzie is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Abigail L. Mackenzie as a member of this group (CMS data updated 2026-10-02).

  • Family Health Centers of San Diego Inc311 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in California

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

All internal medicine doctors in California →

Clinician information

CredentialMD
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053165639
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians