Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Margaret Kathleen Delvillan, NP
Nurse Practitioner in Fresno, CA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851375372
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Registry record
Entity type Individual (Type 1)
Name Margaret Kathleen Delvillan
Credential NP
Sex Female
Practice address 2335 E Kashian Ln, Suite 301, Fresno, CA, 93701
Phone (559) 320-0530
Fax (559) 320-0532
Enumeration date Nov 30, 2005
Last updated in NPPES Dec 4, 2013
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NP11348 (CA) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 500030343 | Other | CA | RAILROAD MEDICARE |
| 0170298 | Other | CA | SATE OF WASHINGTON |
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 Margaret Delvillan?
The National Provider Identifier (NPI) for Margaret Delvillan is 1851375372, a Type 1 (individual) record in the CMS NPPES registry.
Where does Margaret Delvillan practice?
The practice location on file with NPPES is in Fresno, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Robert Calmes Neurology Physician · Fresno, CA NPI 1730184987 Elizabeth Woods Obstetrics & Gynecology Physician · Fresno, CA NPI 1063410322 Ali Fayed Internal Medicine Physician · Fresno, CA NPI 1316931934 Muhammad Bajwa Hospitalist Physician · Fresno, CA NPI 1780628834 Jeffrey Rosenfeld Neuromuscular Medicine (Psychiatry & Neurology) Physician · Fresno, CA NPI 1811912348 Ernestina Saxton Pain Medicine (Psychiatry & Neurology) Physician · Fresno, CA NPI 1295751402 Christopher Bauer Clinical Neuropsychologist · Fresno, CA NPI 1821103524 Steven Hysell Neurological Surgery Physician · Fresno, CA NPI 1831209394
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-04.