Larissa Chartrand, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

ME 120869 Issued in FL

Practice address

4520 Business Center Drive
200
Fairfield, CA 94534

Phone

(707) 646-5500

NPI assigned

Feb 13, 2014

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Dr. Larissa Hernandez Former name

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 Medicine

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Northbay Physicians Surgery Center, LLCGroup PAC ID 0042122244, 336 clinicians

Northbay Health Medical FoundationGroup PAC ID 3274010871, 207 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Healthflex Home Health Services Home health agency, Oakland, CA, CCN 059551
• Angelcare Home Health Services, LLC Home health agency, Milpitas, CA, CCN 053162
• Ascension Healthcare Services Home health agency, Campbell, CA, CCN 059765
• Northbay Medical Center Hospital, Fairfield, CA, CCN 050367

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/UMZ-Uxn6V9x08sH5gCnG-5yPg9ZX7et6/

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.

• Northbay Healthcare Group

  • General Acute Care Hospital
  • Fairfield, CA
  • NPI 1821147786
  Medicare reassignment Care Compare group NPD
• Northbay Health Medical Foundation

  • Internal Medicine Physician
  • Fairfield, CA
  • NPI 1760283527
  Medicare reassignment Care Compare group
• Northbay Healthcare Group

  • Multi-Specialty Clinic/Center
  • Vacaville, CA
  • NPI 1760534713
  NPD
• Northbay Physicians Surgery Center LLC

  • Ambulatory Surgical Clinic/Center
  • Vacaville, CA
  • NPI 1003015843
  NPD (past)

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

• Amlife Home Health Services, LLC

  • Home Health Agency
  • Campbell, CA
  • NPI 1295127256
  Care Compare affiliation
• Angelcare Home Health Services LLC

  • Home Health Agency
  • Fremont, CA
  • NPI 1558727776
  Care Compare affiliation
• Healthflex Home Health Services

  • Home Health Agency
  • Oakland, CA
  • NPI 1326399296
  Care Compare affiliation
• Northbay Healthcare Group

  • General Acute Care Hospital
  • Fairfield, CA
  • NPI 1821147786
  Care Compare affiliation

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

{
    "created_epoch": "1392249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751846400000",
    "number": "1851715627",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4500 BUSINESS CENTER DR",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945346888",
            "telephone_number": "707-646-3286",
            "fax_number": "707-646-4886"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4520 BUSINESS CENTER DRIVE",
            "address_2": "200",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "94534",
            "telephone_number": "707-646-5500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHARTRAND",
        "first_name": "LARISSA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2014-02-13",
        "last_updated": "2025-07-07",
        "certification_date": "2025-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "FL",
            "license": "ME 120869",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LARISSA",
            "last_name": "HERNANDEZ",
            "prefix": "DR.",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Cassandra Chansamorn Chanhsy
• Courtney Chaplain
• Brittany Chapman
• Ronald Chapman, MD
• Charming Smiles Inc. Dental Hygiene,Practice of Dominique Suber,Rdhap
• Sharanpreet Kaur Chauhan
• Kaylee Ann Chavarria, DPT
• Marlene Griselda Chavez Cuevas
• Elena Rayne Chavez
• Salvador Chavez

• Internal Medicine Physician in Fairfield, CA
• Providers in Fairfield, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.