MARISSA ISABEL HENNELLY MD
NPI 1336778356
Pediatrics in New Orleans, LA

Active since April 02, 2020PECOS Enrolled
200 HENRY CLAY AVE, NEW ORLEANS, LA 70118(504) 899-9511 Get Directions Write a Review

NPPES record last updated: August 15, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 15, 2023, Apr 2, 2020 (2 updates tracked since 2020).

About Marissa Isabel Hennelly Md NPPES

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

MARISSA ISABEL HENNELLY MD (NPI 1336778356) is an individual pediatrics provider in New Orleans, Louisiana, licensed in Louisiana (336933) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336778356
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARISSA ISABEL HENNELLYCredential: MD
Location Address200 HENRY CLAY AVENew Orleans, LA 70118-5798
Mailing Address200 Henry Clay AveNew Orleans, LA 70118-5798 · (504) 899-9511
Sole ProprietorNo
Enumeration DateApril 2, 2020
Last NPPES UpdateAugust 15, 20232 updates tracked since enumeration
NPPES CertifiedAugust 15, 2023
NPI 1336778356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in LA · 336933
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
200 HENRY CLAY AVE, New Orleans, LA 70118

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Marissa Isabel Hennelly Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70118 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
$86.76 typical visit price
range $55.50 – $170.30
Typical copayment $21.69 (range $13.87 – $42.57)
Most-billed visit code 99203
Established Patient
$98.35 typical visit price
range $17.42 – $138.03
Typical copayment $24.58 (range $4.35 – $34.50)
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 20

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

Orthopaedic Surgery
200 HENRY CLAY AVE, STE 4103 CHILDREN'S HOSPITAL
NEW ORLEANS, LA 70118
Student in an Organized Health Care Education/Training Program
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Pediatrics (Neonatal-Perinatal Medicine)
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Psychologist (Clinical)
200 HENRY CLAY AVE, DEPARTMENT OF PSYCHOLOGY SUITE 3030
NEW ORLEANS, LA 70118
Nurse Anesthetist, Certified Registered
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Otolaryngology
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Nurse Practitioner (Family)
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Student in an Organized Health Care Education/Training Program
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Hennelly's NPI number?

The NPI number for Marissa Hennelly is 1336778356. It was assigned to this individual provider in the NPPES registry on April 2, 2020.

Where is Marissa Hennelly located?

Marissa Hennelly practices at 200 Henry Clay Ave, New Orleans, LA 70118. The listed phone number is (504) 899-9511.

What is Marissa Hennelly's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Marissa Hennelly enrolled in Medicare?

Yes. Marissa Hennelly is registered in the Medicare PECOS enrollment system.

What insurance does Marissa Hennelly accept?

Health plans from HMO Louisiana and Molina Healthcare list Marissa Hennelly as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marissa Hennelly was last updated on August 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.