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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. William Donald Sueksdorf, MD

Psychiatry Physician in Gilroy, CA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1518162015

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Registry record

Entity type Individual (Type 1)
Name Dr. William Donald Sueksdorf
Credential MD
Sex Male
Practice address Gilroy, CA, 95020
Phone (408) 686-2360
Fax (408) 848-4370
Enumeration date Jun 15, 2007
Last updated in NPPES Mar 3, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License C-36552 (CA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

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Frequently asked questions

Where does William Sueksdorf practice?
The practice location on file with NPPES is in Gilroy, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Sueksdorf?
The National Provider Identifier (NPI) for William Sueksdorf is 1518162015, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-03.