NPIMap

Individual provider Active NPI

Gregory Yervant Warner, D.O.

  • Infectious Disease Physician
  • Vacaville, CA
National Provider Identifier
1073704326
Registry record updated Sep 17, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
20A9902 Issued in CA
Practice address
1010 Nut Tree Rd
Suite 100B
Vacaville, CA 95687-4172
Phone
(707) 624-7999
Fax
(707) 624-7998
NPI assigned
Aug 1, 2007
Last updated
Sep 17, 2013By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 17, 2013

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 20A9902 CA
Infectious Disease Physician 207RI0200X 20A9902 CA Primary

Addresses

Primary practice location

1010 Nut Tree Rd
Suite 100B
Vacaville, CA 95687-4172

Mailing address

1010 Nut Tree Rd
Suite 100B
Vacaville, CA 95687-4172
Phone (707) 624-7999

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090108000668 CA Practitioner - Infectious DiseasePractitioner - Internal Medicine 8628131281 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
Other, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Northbay Health Medical FoundationGroup PAC ID 3274010871, 207 clinicians

Practice addresses (Care Compare)

1010 Nut Tree Rd
100 Wound Care
Vacaville, CA 95687-4181
Phone (707) 624-7979

1860 Pennsylvania Ave
Fairfield, CA 94533-3590
Phone (707) 646-4114

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
20A9902CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northbay Healthcare Group Current Accepting new patients
Northbay Health Medical Foundation Internal Medicine CurrentSince Jan 1, 2026 Accepting new patients
Northbay Healthcare Group CurrentSince Feb 10, 2003 Accepting new patients
Northbay Healthcare Group CurrentSince Feb 10, 2003 Accepting new patients
Northbay Physicians Surgery Center LLC Past Accepting new patients
Lodi Memorial Hospital Association Inc Past Accepting new patients

Locations

1860 Pennsylvania Ave
Ste 110
Fairfield, CA 94533
Phone (707) 254-9693

1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600

1010 Nut Tree Rd
Ste 100B
Vacaville, CA 95687
Phone (707) 646-7999

1000 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-4000

1010 Nut Tree Rd
Ste 100
Vacaville, CA 95687
Phone (707) 333-3065

1020 Nut Tree Rd
#290
Vacaville, CA 95687
Phone (707) 646-4400

1020 Nut Tree Rd
Ste 290
Vacaville, CA 95687
Phone (707) 624-8230

1010 Nut Tree Rd
Ste 100A
Vacaville, CA 95687
Phone (707) 624-8532

101 Main St
Winters, CA 95694
Phone (530) 795-4123

Interoperability endpoints

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

Organizations & group practices 6

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

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1185926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1379376000000",
    "number": "1073704326",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1010 NUT TREE RD",
            "address_2": "SUITE 100B",
            "city": "VACAVILLE",
            "state": "CA",
            "postal_code": "956874172",
            "telephone_number": "707-624-7999",
            "fax_number": "707-624-7998"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1010 NUT TREE RD",
            "address_2": "SUITE 100B",
            "city": "VACAVILLE",
            "state": "CA",
            "postal_code": "956874172",
            "telephone_number": "707-624-7999",
            "fax_number": "707-624-7998"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARNER",
        "first_name": "GREGORY",
        "middle_name": "YERVANT",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-08-01",
        "last_updated": "2013-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A9902",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "20A9902",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Vacaville, CA

Sources for this page

Verify at the official NPI Registry.