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Hematology/Oncology

Harry G. Sequeira Gross, MD

Works at hospitals in Baton Rouge, LA · Louisiana

Summary

Dr. Harry G. Sequeira Gross, MD is a hematologist-oncologist at 5000 Hennessy Blvd, Baton Rouge, LA 70808. Accepts Medicare assignment. NPI 1841851391. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 5000 Hennessy Blvd, Baton Rouge, LA 70808 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospital: Fmol Health | Our Lady of the Lake
  • Group practice: Our Lady of the Lake Physician Group LLC
  • Medical school: graduated 2016 (10 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 Harry G. Sequeira Gross, 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 Harry G. Sequeira Gross accept Medicare assignment?
Yes. Medicare's clinician data says Harry G. Sequeira Gross 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.
What is Harry G. Sequeira Gross's NPI number?
1841851391. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Harry G. Sequeira Gross works

Medicare's Facility Affiliation Data lists Harry G. Sequeira Gross 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 Harry G. Sequeira Gross is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Harry G. Sequeira Gross as a member of this group (CMS data updated October 2, 2026).

  • Our Lady of the Lake Physician Group LLC644 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Louisiana →

Other hematologist-oncologists in Baton Rouge

Clinicians with the same Medicare primary specialty in Baton Rouge, LA — not a recommendation.

All hematologist-oncologists in Baton Rouge →

Other clinicians in Our Lady of the Lake Physician Group LLC

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

Clinician information

CredentialMD
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841851391
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians