DR. WILLIAM W ALDEN M.D.
NPI 1427036656
Internal Medicine in Metairie, LA
About Dr. William W Alden M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM W ALDEN M.D. (NPI 1427036656) is an individual internal medicine provider in Metairie, Louisiana, licensed in Louisiana (024150) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with St Tammany Parish Hospital, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses 4
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
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 and accepts Medicare assignment
Dr. William W Alden M.d. 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Tammany Parish Hospital
Acute Care Hospitals · Covington, LAEast Jefferson General Hospital
Acute Care Hospitals · Metairie, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alden's NPI number?
The NPI number for William Alden is 1427036656. It was assigned to this individual provider in the NPPES registry on January 6, 2006.
Where is William Alden located?
William Alden practices at 3941 Houma Blvd Ste 1B, Metairie, LA 70006. The listed phone number is (504) 320-2005.
What is William Alden's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Alden enrolled in Medicare?
Yes. William Alden is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does William Alden accept?
Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and Ambetter from Superior HealthPlan list William Alden 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.
Is William Alden affiliated with any hospitals?
According to CMS data, William Alden is affiliated with St Tammany Parish Hospital and East Jefferson General Hospital.
When was this NPI record last updated?
The NPPES record for William Alden was last updated on September 2, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
