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Physician Assistant

Marcus H. Halsey, PA

Works at hospitals in San Marcos, TX · New Braunfels, TX · Texas

Summary

Marcus H. Halsey, PA is a physician assistant at 5425 W Spring Creek Pkwy, Suite 205, Plano, TX 75024. Phone: (972) 526-5860. Accepts Medicare assignment. In 2024, Marcus H. Halsey had 15 Original Medicare patients and 17 services. NPI 1578236824. 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 Marcus H. Halsey, 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 Marcus H. Halsey accept Medicare assignment?
Yes. Medicare's clinician data says Marcus H. Halsey 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 Marcus H. Halsey see?
In 2024, CMS data shows 15 Original Medicare patients and 17 services for Marcus H. Halsey. This counts Original Medicare only and measures volume, not quality.
What is Marcus H. Halsey's NPI number?
1578236824. 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 Marcus H. Halsey, 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 patients15
Services billed to Medicare17
Different services or procedures3
Participating Medicare providerYes
Average age of these patients77

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%
  • Ischemic heart disease75%

Hospitals where Marcus H. Halsey works

Medicare's Facility Affiliation Data lists Marcus H. Halsey 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 Marcus H. Halsey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marcus H. Halsey as a member of this group (CMS data updated October 2, 2026).

  • Texas Digestive Disease Consultants, PLLC608 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Texas →

Other physician assistants in Plano

Clinicians with the same Medicare primary specialty in Plano, TX — not a recommendation.

All physician assistants in Plano →

Other clinicians in Texas Digestive Disease Consultants, PLLC

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

Clinician information

CredentialPA
SchoolUniversity Of Nebraska College Of Medicine
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578236824
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