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MRS. MELISSA HAGGERTY ROY M.D.
NPI 1205006111
Hospitalist in Baton Rouge, LA

Active since March 06, 2008PECOS Enrolled
8200 CONSTANTIN BLVD STE 200, BATON ROUGE, LA 70809(225) 709-8633(225) 709-8634 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2026, Jul 21, 2022, Oct 3, 2019 and 1 more (4 updates tracked since 2017).

About Mrs. Melissa Haggerty Roy M.d. NPPES

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

MRS. MELISSA HAGGERTY ROY M.D. (NPI 1205006111) is an individual hospitalist provider in Baton Rouge, Louisiana, licensed in Louisiana (201689) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205006111
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameMRS. MELISSA HAGGERTY ROYCredential: M.D.
Location Address8200 CONSTANTIN BLVD STE 200Baton Rouge, LA 70809-3481
Mailing Address8200 Constantin Blvd Ste 200Baton Rouge, LA 70809-3481 · (225) 709-8633 · Fax (225) 709-8634
Phone(225) 709-8633
Fax(225) 709-8634
Sole ProprietorYes
Enumeration DateMarch 6, 2008
Last NPPES UpdateJuly 21, 20264 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1205006111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in LA · 201689
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedPediatricsTaxonomy 208000000X · License 201689 (LA)
8200 CONSTANTIN BLVD STE 200, Baton Rouge, LA 70809
Open in Google Maps ↗

Other Identifiers 1

Medicaid1508276LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Melissa Haggerty Roy M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Melissa Roy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatric Hospitalists Of Louisiana, LLC
Same address
Pediatrics
8200 CONSTANTIN BLVD STE 200
Baton Rouge, LA 70809
  • Reassigned Medicare billing, Louisiana enrollment
  • 5 clinicians in this Medicare group
NPI 1487666277 (225) 709-8633

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70809 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
$124.60 typical visit price
range $53.43 – $164.73
Typical copayment $31.15 (range $13.35 – $41.18)
Most-billed visit code 99204
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 15

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

PEDIATRIC CARDIOLOGY OF LOUISIANA, LLC
Pediatrics (Pediatric Cardiology)
8200 CONSTANTIN BLVD STE 200
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 766-9292
JULIA KATE WELSH PA-C
Physician Assistant
8200 CONSTANTIN BLVD STE 200
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 709-8633
LAUREN MARIE HADDAD MD
Pediatrics (Pediatric Cardiology)
8200 CONSTANTIN BLVD STE 200
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 767-6700
ALEXANDRA THERIOT GUEDRY PA-C
Physician Assistant (Medical)
8200 CONSTANTIN BLVD STE 200
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 709-8633
DR. BRIAN W. BINCK MD
Pediatrics (Pediatric Critical Care Medicine)
8200 CONSTANTIN BLVD STE 200
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 709-8633
DR. ANTONIO BELDA M.D.
Pediatrics (Pediatric Cardiology)
8200 CONSTANTIN BLVD STE 200
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 709-8633
ANNA DEVALL BURNS MD
Hospitalist
8200 CONSTANTIN BLVD STE 200
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 709-8633
PEDIATRIC HOSPITALISTS OF LOUISIANA, LLC
Pediatrics
8200 CONSTANTIN BLVD STE 200
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 709-8633

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 Melissa Roy's NPI number?

The NPI number for Melissa Roy is 1205006111. It was assigned to this individual provider in the NPPES registry on March 6, 2008.

Where is Melissa Roy located?

Melissa Roy practices at 8200 Constantin Blvd Ste 200, Baton Rouge, LA 70809. The listed phone number is (225) 709-8633.

What is Melissa Roy's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Melissa Roy enrolled in Medicare?

Yes. Melissa Roy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Melissa Roy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Roy reassigns Medicare benefits to Pediatric Hospitalists Of Louisiana, LLC (Baton Rouge, LA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Melissa Roy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Roy accept?

Health plans from HMO Louisiana list Melissa Roy 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 Melissa Roy was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.