Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Lakeisha C. Cox, MD

Works at hospitals in Anaheim, CA · South el Monte, CA · Whittier, CA · California

Summary

Dr. Lakeisha C. Cox, MD is a family doctor at 1701 Santa Anita Ave, South El Monte, CA 91733. Phone: (626) 579-7777. Accepts Medicare assignment. In 2024, Lakeisha C. Cox had 291 Original Medicare patients and 531 services. NPI 1659718948. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Lakeisha C. Cox, 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 Lakeisha C. Cox accept Medicare assignment?
Yes. Medicare's clinician data says Lakeisha C. Cox 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 Lakeisha C. Cox see?
In 2024, CMS data shows 291 Original Medicare patients and 531 services for Lakeisha C. Cox. This counts Original Medicare only and measures volume, not quality.
What is Lakeisha C. Cox's NPI number?
1659718948. 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 Lakeisha C. Cox, 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 patients291
Services billed to Medicare531
Different services or procedures22
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)183 services
  2. Critical care, first 30-74 minutes (99291)144 services
  3. Emergency department visit with high level of medical decision making (99285)108 services
  4. Emergency department visit with moderate level of medical decision making (99284)44 services

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 cholesterol75%
  • Diabetes57%
  • Arthritis53%
  • Chronic kidney disease49%
  • Heart failure42%

Hospitals where Lakeisha C. Cox works

Medicare's Facility Affiliation Data lists Lakeisha C. Cox at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Lakeisha C. Cox is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lakeisha C. Cox as a member of this group (CMS data updated October 2, 2026).

  • Gem Medical Group Corporation57 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in California

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

All family doctors in California →

Other clinicians in Gem Medical Group Corporation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659718948
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians