Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. William S. Welte, NMW

Advanced Practice Midwife in Borrego Springs, CA · enumerated 2007.

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

National Provider Identifier

1235313396

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Registry record

Entity type Individual (Type 1)

Name Mr. William S. Welte

Credential NMW

Sex Male

Practice address 4343 Yaqui Pass Road, Borrego Springs, CA, 92004

Phone (760) 767-5051

Fax (760) 767-4552

Enumeration date Dec 26, 2007

Last updated in NPPES Jan 4, 2012

Taxonomy & licenses

367A00000X Advanced Practice Midwife Physician Assistants & Advanced Practice Nursing Providers · License NM1074 (CA) Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for William Welte?

The National Provider Identifier (NPI) for William Welte is 1235313396, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Welte practice?

The practice location on file with NPPES is in Borrego Springs, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Joseph Cerjan Family Medicine Physician · Borrego Springs, CA NPI 1447280607 Pamela Mcevoy Clinical Psychologist · Borrego Springs, CA NPI 1043231715 Adamu Tahiru Medical Physician Assistant · Borrego Springs, CA NPI 1558549436 Denise Gordon Marriage & Family Therapist · Borrego Springs, CA NPI 1295971208

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-04.