Monica Guillen
NPI 1801480546 · Physician Assistant · Los Banos, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Monica Guillen is a Physician Assistant provider in Los Banos, CA (NPI 1801480546).
Provider details
- NPI number
- 1801480546
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 66659 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-02-23
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Monica Guillen's NPI number?
- Monica Guillen's National Provider Identifier (NPI) is 1801480546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica Guillen's specialty?
- Monica Guillen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Monica Guillen located?
- Monica Guillen's practice location on file with NPPES is 2520 E Pacheco Blvd, Los Banos, CA 93635-9403.
- What is Monica Guillen's phone number?
- The practice phone number listed in the NPPES registry for Monica Guillen is (559) 664-4000.
- Does Monica Guillen accept Medicare?
- Monica Guillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Monica Guillen's NPI active?
- Yes — Monica Guillen's NPI (1801480546) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.