DR. WILLIAM MORGAN CASSIDY MD
NPI 1194748038
Internal Medicine - Cardiovascular Disease in Baton Rouge, LA

Active since July 25, 2006PECOS Enrolled
LSU HEALTHCARE NETWORK, 3401 NORTH BLVD, SUITE 400, BATON ROUGE, LA 70806(225) 381-2755 Get Directions Write a Review

NPPES record last updated: December 17, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William Morgan Cassidy Md NPPES

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

DR. WILLIAM MORGAN CASSIDY MD (NPI 1194748038) is an individual cardiovascular disease provider in Baton Rouge, Louisiana, licensed in Louisiana (17234) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194748038
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. WILLIAM MORGAN CASSIDYCredential: MD
Location AddressLSU HEALTHCARE NETWORK, 3401 NORTH BLVD, SUITE 400Baton Rouge, LA 70806
Mailing Address1340 Poydras StNew Orleans, LA 70112-1221 · (504) 412-1860
Sole ProprietorNo
Enumeration DateJuly 25, 2006
Last NPPES UpdateDecember 17, 2008
NPI 1194748038 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in LA · 17234
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
LSU HEALTHCARE NETWORK, Baton Rouge, LA 70806

Other Identifiers 4

Medicare ID-Type Unspecified5N203
Medicare PIN5N203DD21
Medicare UPINE50495
Medicaid1903159LA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. William Morgan Cassidy 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 70806 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
$67.06 typical visit price
range $16.64 – $133.62
Typical copayment $16.76 (range $4.16 – $33.40)
Most-billed visit code 99213
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 5

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

Internal Medicine (Cardiovascular Disease)
LSU HEALTHCARE NETWORK, 3401 NORTH BLVD, SUITE 400
BATON ROUGE, LA 70806
Internal Medicine (Endocrinology, Diabetes & Metabolism)
LSU HEALTHCARE NETWORK, 3401 NORTH BLVD, SUITE 400
BATON ROUGE, LA 70806
Internal Medicine (Cardiovascular Disease)
LSU HEALTHCARE NETWORK, 3401 NORTH BLVD, SUITE 400
BATON ROUGE, LA 70806
Internal Medicine (Cardiovascular Disease)
LSU HEALTHCARE NETWORK, 3401 NORTH BLVD, SUITE 400
BATON ROUGE, LA 70806
Pediatrics (Pediatric Gastroenterology)
LSU HEALTHCARE NETWORK, 3401 NORTH BLVD, SUITE 400
BATON ROUGE, LA 70806

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 William Cassidy's NPI number?

The NPI number for William Cassidy is 1194748038. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is William Cassidy located?

William Cassidy practices at Lsu Healthcare Network 3401 North Blvd, Suite 400, Baton Rouge, LA 70806. The listed phone number is (225) 381-2755.

What is William Cassidy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is William Cassidy enrolled in Medicare?

Yes. William Cassidy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Cassidy was last updated on December 17, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.