Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Guillermo Ulises Montano

Adult Companion in Watsonville, CA · enumerated 2024.

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

National Provider Identifier

1538998026

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Registry record

Entity type Individual (Type 1)

Name Guillermo Ulises Montano

Sex Male

Practice address 75 Nielson St, Watsonville, CA, 95076

Phone (831) 724-4741

Enumeration date Jul 31, 2024

Last updated in NPPES May 21, 2025

Taxonomy & licenses

172V00000X Community Health Worker Other Service Providers Secondary

372600000X Adult Companion Nursing Service Related Providers 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.

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Frequently asked questions

What specialty is Guillermo Montano?

Guillermo Montano is registered in NPPES with the primary taxonomy of Adult Companion. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Joel Weinstein Surgery Physician · Watsonville, CA NPI 1023004116 Angela Tavarez Pharmacist · Watsonville, CA NPI 1770565806 Debra Bytendorp Pharmacist · Watsonville, CA NPI 1346228079 Watsonville Hospital Corporation General Acute Care Hospital · Watsonville, CA NPI 1710958228 Peter Markel Emergency Medicine Physician · Watsonville, CA NPI 1225095151 Douglas Spurr Emergency Medicine Physician · Watsonville, CA NPI 1205881257 Sterling Lewis Emergency Medicine Physician · Watsonville, CA NPI 1609816537 Jennifer Greening Physician Assistant · Watsonville, CA NPI 1700827342

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-21.