Ghislaine Yvette Guez, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

A123617 Issued in CA

Practice address

450 E Romie LN
Salinas, CA 93901-4029

Phone

(831) 759-3257

Fax

(831) 754-3875

NPI assigned

Apr 15, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal MedicineAlso: Hospitalist

Education

University of Miami, LM Miller School of Medicine, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sutter Valley Medical FoundationGroup PAC ID 9830094515, 2,473 clinicians

Svmhs ClinicsGroup PAC ID 1456592351, 258 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Medical Center Hospital, Modesto, CA, CCN 050557
• Salinas Valley Health Medical Center Hospital, Salinas, CA, CCN 050334

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 31)

Interoperability endpoints

• Direct secure messaging: gguez20054@direct.svmh.com
• Direct secure messaging: yguezghislaine614959@hisp.ehr.sutterhealth.org

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.

• Sutter Valley Medical Foundation

  dba Sutter Gould Medical Foundation

  • Multi-Specialty Clinic/Center
  • Modesto, CA
  • NPI 1669846986

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Svmhs Clinics

  dba Salinas Valley Health Clinics

  • Multi-Specialty Clinic/Center
  • Salinas, CA
  • NPI 1093158347
  Medicare reassignment Care Compare group NPD
• Community Hospital of the Monterey Peninsula

  dba CHOMP On Call

  • General Acute Care Hospital
  • Monterey, CA
  • NPI 1225285810
  Medicare reassignment NPD
• County of Monterey

  dba Natividad Medical Center

  • General Acute Care Hospital
  • Salinas, CA
  • NPI 1205863255
  Medicare reassignment NPD
• Hospitalist Medicine Physicians of California, Inc

  • Internal Medicine Physician
  • Apple Valley, CA
  • NPI 1184663965
  Medicare reassignment NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• Monterey Hospitalist Medical Group

  • Internal Medicine Physician
  • Monterey, CA
  • NPI 1043321623
  Medicare reassignment
• Community Hospital of the Monterey Peninsula

  • General Acute Care Hospital
  • Monterey, CA
  • NPI 1932197258
  NPD
• County of Monterey Behavioral Health

  dba Access to Treatment Pearl St

  • Adult Mental Health Clinic/Center
  • Salinas, CA
  • NPI 1053126003
  NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Stockton, CA
  • NPI 1548343510
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• Pinehurst Hospitalist Medical Group, Inc.

  • Hospitalist Physician
  • Watsonville, CA
  • NPI 1710516364
  NPD

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

• Salinas Valley Memorial Healthcare System

  dba Taylor Farms Family Health & Wellness Center

  • Rural Health Clinic/Center
  • Gonzales, CA
  • NPI 1437549284

  Hospital

  Care Compare affiliation
• Salinas Valley Memorial Healthcare System

  • General Acute Care Hospital
  • Salinas, CA
  • NPI 1750384079
  Care Compare affiliation
• Sutter Valley Hospitals

  dba Memorial Medical Center

  • General Acute Care Hospital
  • Modesto, CA
  • NPI 1699129601
  Care Compare affiliation

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

{
    "created_epoch": "1271289600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1326364282",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 WILSON RD STE 100",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "939407885",
            "telephone_number": "831-649-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 E ROMIE LN",
            "city": "SALINAS",
            "state": "CA",
            "postal_code": "939014029",
            "telephone_number": "831-759-3257",
            "fax_number": "831-754-3875"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "23625 Holman Hwy",
            "address_purpose": "LOCATION",
            "city": "Monterey",
            "state": "CA",
            "postal_code": "939405902",
            "country_code": "US",
            "telephone_number": "831-624-5311",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUEZ",
        "first_name": "GHISLAINE",
        "middle_name": "YVETTE",
        "name_prefix": "Ms.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-04-15",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A123617",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A123617",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Aida Marquez Guerrero
• Maria Ernestina Guerrero
• Marilynn Monique Guerrero
• Mia Anne Guerrero
• Tara Guerrero
• Diana Lee Guido, CADC-I
• Israel Guijosa
• Luis Guillen
• Monica Guillen
• Tanya Guillen, RBT

• Hospitalist Physician in Salinas, CA
• Providers in Salinas, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2026; 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.