DR. HARRY SEQUEIRA GROSS MD
NPI 1841851391
Internal Medicine - Hematology & Oncology in Baton Rouge, LA

Q: What is Harry Sequeira Gross's NPI number?

The NPI number for Harry Sequeira Gross is 1841851391. It was assigned to this individual provider in the NPPES registry on June 25, 2019.

Q: What is Harry Sequeira Gross's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since June 25, 2019PECOS EnrolledAccepts Medicare Assignment

7777 HENNESSY BLVD STE 212, BATON ROUGE, LA 70808(225) 374-0320(225) 374-0321 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 14, 2025, Jun 19, 2025, May 28, 2025 and 2 more (5 updates tracked since 2022).

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About Dr. Harry Sequeira Gross Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HARRY SEQUEIRA GROSS MD (NPI 1841851391) is an individual hematology & oncology provider in Baton Rouge, Louisiana, licensed in Louisiana (347683) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1841851391

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. HARRY SEQUEIRA GROSSCredential: MD

Location Address7777 HENNESSY BLVD STE 212Baton Rouge, LA 70808-4365

Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (225) 374-0320 · Fax (225) 765-9196

Phone(225) 374-0320

Fax(225) 374-0321

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateJune 25, 2019

Last NPPES UpdateAugust 14, 20255 updates tracked since enumeration

NPPES CertifiedAugust 14, 2025

✔ NPI 1841851391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Licenses✔ Licensed in LA · 347683✔ Licensed in IL · 036.160406

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

7777 HENNESSY BLVD STE 212, Baton Rouge, LA 70808

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Secondary Practice Locations 2

Location 14487 3rd AveBronx, NY 10457-1526 · Phone (718) 960-9000

Location 21950 W Polk St Fl 8Chicago, IL 60612-3723 · Phone (312) 864-7250

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Blue Cross and Blue Shield of Louisiana, HMO Louisiana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Harry Sequeira Gross Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638550593

PECOS Enrollment IDI20250725002913

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Harry Sequeira Gross reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Our Lady Of The Lake Physician Group LLC

Same address

Internal Medicine

7777 HENNESSY BLVD, STE 6002
Baton Rouge, LA 70808

Reassigned Medicare billing, Louisiana enrollment
873 clinicians in this Medicare group

NPI 1033494943 (225) 765-7727

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Our Lady Of The Lake Regional Medical Center

Acute Care Hospitals · Baton Rouge, LA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number190064

Location5000 Hennessy BlvdBaton Rouge, LA 70808 · E. Baton Rouge County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$164.73 typical visit price

range $53.43 – $164.73

Typical copayment $41.18 (range $13.35 – $41.18)

Most-billed visit code 99205

Established Patient

$95.09 typical visit price

range $16.64 – $133.62

Typical copayment $23.77 (range $4.16 – $33.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LORI S GRACE NP

Nurse Practitioner (Family)