Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William Zollinger, M.D.
Specialist in Monroe, LA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1952402042
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Registry record
Entity type Individual (Type 1)
Name Dr. William Zollinger
Credential M.D.
Sex Male
Practice address 411 Calypso St, Monroe, LA, 71201
Phone (318) 327-1900
Fax (318) 327-1901
Enumeration date Sep 25, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1678244 | Medicaid | LA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for William Zollinger?
The National Provider Identifier (NPI) for William Zollinger is 1952402042, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Zollinger practice?
The practice location on file with NPPES is in Monroe, LA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Benjamin Weinberger Hematology & Oncology Physician · Monroe, LA NPI 1174520092 St Francis Pet Imaging, LLC Radiology Clinic/Center · Monroe, LA NPI 1578552709 Northeast Louisiana Radiation Oncology Specialist · Monroe, LA NPI 1770684870 Oncology Associates of Monroe Specialist · Monroe, LA NPI 1730383803 Linda Massey Registered Dietitian · Monroe, LA NPI 1124226303 Dianna Pitre Family Nurse Practitioner · Monroe, LA NPI 1134751126 Casey Walker Research Study Abstracter/Coder · Monroe, LA NPI 1902429491
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.