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Hospitalist

Marcus L. Harris, MD

Works at hospitals in Houston, TX · Texas

Summary

Marcus L. Harris, MD (Hospitalist) is listed by Medicare at 1 hospital in Houston, TX. NPI 1982837464. 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 Marcus L. Harris, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
University Of Nebraska College Of MedicineMedical school
MaleGender (as listed)
Kelsey-Seybold Medical Group, PLLCGroup practice (+1 more)

Quick answers

Which hospitals does Marcus L. Harris work at?
Medicare's official clinician data lists Marcus L. Harris at 1 hospital: St. Luke's Hospital at The Vintage. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marcus L. Harris see patients?
Medicare's clinician data lists 3 practice locations, including Conroe, TX, Spring, TX and Pearland, TX. Call before your visit to confirm the address.
What is Marcus L. Harris's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Marcus L. Harris accept Medicare assignment?
Yes. Medicare's clinician data says Marcus L. Harris 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 Marcus L. Harris?
(832) 447-7123, as listed in official Medicare / NPI Registry data.
What is Marcus L. Harris's NPI number?
1982837464. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marcus L. Harris works

Medicare's Facility Affiliation Data lists Marcus L. Harris 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 Marcus L. Harris is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marcus L. Harris as a member of these groups (CMS data updated 2026-10-02).

  • Kelsey-Seybold Medical Group, PLLC957 clinicians in the group
  • TMC Provider Group PLLC211 clinicians in the group

Specialties

Find other Hospitalist doctors in Texas →

Other hospitalists in Conroe

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

All hospitalists in Conroe →

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982837464
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