Monica Guillen

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

66659 Issued in CA

Practice address

2520 E Pacheco Blvd
Los Banos, CA 93635-9403

Phone

(559) 664-4000

Fax

(559) 675-5224

NPI assigned

Feb 23, 2021

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2024

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Hospital Los Banos Hospital, Los Banos, CA, CCN 050528

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: monica.guillen.1@25900.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Camarena Health

  • Federally Qualified Health Center (FQHC)
  • Madera, CA
  • NPI 1891778114

  Physician Assistant

  Medicare reassignment NPD
• Camarena Health

  • Federally Qualified Health Center (FQHC)
  • Los Banos, CA
  • NPI 1114757754
  NPD
• Camarena Health

  • Obstetrics Physician
  • Madera, CA
  • NPI 1649700618
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Sutter Valley Hospitals

  • General Acute Care Hospital
  • Los Banos, CA
  • NPI 1366896300
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1614038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751328000000",
    "number": "1801480546",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3433 W SHAW AVE STE 102",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937113229",
            "telephone_number": "559-558-4051"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2520 E PACHECO BLVD",
            "city": "LOS BANOS",
            "state": "CA",
            "postal_code": "936359403",
            "telephone_number": "559-664-4000",
            "fax_number": "559-675-5224"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUILLEN",
        "first_name": "MONICA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-02-23",
        "last_updated": "2025-07-01",
        "certification_date": "2025-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "66659",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Yashesh Goradia, MSPT
• Gregory a. Smith, D.C. a Professional Chiropractic Corporation
• Charamine Grijalva
• Guardian Angel'S Medical Supply,Inc.
• Mayra Alejandra Guillen-Gordillo
• Elena Gutierrez Ramirez
• Nathan Gutierrez
• Silvia Gutierrez
• Joanna Guzman
• Saniyah Hall

• Physician Assistant in Los Banos, CA
• Providers in Los Banos, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.