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Family Practice

Justin Martin-Whitlock, MD

Sees patients in Hemet, CA · California

Summary

Dr. Justin Martin-Whitlock, MD is a family doctor at 1850 W Florida Ave, Hemet, CA 92545. Phone: (909) 472-5929. Accepts Medicare assignment. In 2024, Justin Martin-Whitlock had 17 Original Medicare patients and 26 services. NPI 1124604947. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1850 W Florida Ave, Hemet, CA 92545 · Directions
  • Phone: (909) 472‑5929
  • Medicare: Accepts Medicare assignment
  • Group practice: Healthcare Partners Affiliates Medical Group
  • Medical school: graduated 2020 (6 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Justin Martin-Whitlock, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Justin Martin-Whitlock accept Medicare assignment?
Yes. Medicare's clinician data says Justin Martin-Whitlock accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Justin Martin-Whitlock see?
In 2024, CMS data shows 17 Original Medicare patients and 26 services for Justin Martin-Whitlock. This counts Original Medicare only and measures volume, not quality.
What is Justin Martin-Whitlock's NPI number?
1124604947. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Justin Martin-Whitlock, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients17
Services billed to Medicare26
Different services or procedures12
Participating Medicare providerYes
Average age of these patients71

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol65%

Practice locations

Addresses where Justin Martin-Whitlock is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Justin Martin-Whitlock as a member of this group (CMS data updated October 2, 2026).

  • Healthcare Partners Affiliates Medical Group754 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Hemet

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

All family doctors in Hemet →

Other clinicians in Healthcare Partners Affiliates Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124604947
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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