Individual provider Active NPI

Ivan Dedrick Gavin Hamilton, M.D.

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1669421202
Registry record updated May 28, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A104632 Issued in CA
Practice address
2351 Clay St
Suite 308
San Francisco, CA 94115-1931
Phone
(415) 600-3458
Fax
(415) 600-3451
NPI assigned
May 10, 2006
Last updated
May 28, 2021By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 28, 2021

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 A104632 CA Primary
Internal Medicine Physician 207R00000X D63437 MD

Addresses

Primary practice location

2351 Clay St
Suite 308
San Francisco, CA 94115-1931

Mailing address

1700 McHenry Ave
Ste 65B259
Modesto, CA 95350-4373
Phone (209) 579-5628

Other identifiers 3

IdentifierTypeStateIssuer
1669421202MedicaidCA
408417900MedicaidMD
AV608ZOtherCAMEDICARE PTAN

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20081119000205 CA Practitioner - Internal Medicine 1052344934 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Georgetown University School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
La Clinica de la Raza IncGroup PAC ID 1557258282, 130 clinicians

Practice addresses (Care Compare)

220 Hospital Dr
Vallejo, CA 94589-2517
Phone (707) 641-1900

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.4 of 100Reported as group
Quality
65.6
Improvement activities
40
Cost
71.06

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A104632CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
La Clinica de la Raza Inc Current Accepting new patients
Galen Inpatient Physicians PC CurrentSince Dec 1, 2023 Accepting new patients
La Clinica de la Raza Inc CurrentSince Dec 1, 2025 Accepting new patients
Galen Inpatient Physicians PC Internal Medicine CurrentSince Dec 1, 2023 Accepting new patients
Galen Inpatient Physicians, PC Current Accepting new patients
Hospitalists of Modesto Medical Group Inc Internal Medicine CurrentSince Feb 28, 2021 Accepting new patients
La Clinica de la Raza Inc CurrentSince Dec 1, 2025 Accepting new patients
Hospitalists of Modesto Medical Group Past Accepting new patients

Locations

115 Mall Dr
Hanford, CA 93230
Phone (559) 537-0550

975 S Fairmont Ave
Lodi, CA 95240
Phone (209) 339-7575

1441 Florida Ave
Modesto, CA 95350
Phone (209) 214-7235

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

1700 McHenry Ave
Ste 65B
Modesto, CA 95350
Phone (209) 581-7063

2021 Main St
Oakley, CA 94561
Phone (925) 776-8200

825 Delbon Ave
Turlock, CA 95382
Phone (209) 664-2744

220 Hospital Dr
Vallejo, CA 94589
Phone (707) 641-1900

15248 Eleventh St
Victorville, CA 92395
Phone (760) 245-8691

Organizations & group practices 9

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": "1147219200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1622160000000",
    "number": "1669421202",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1700 MCHENRY AVE",
            "address_2": "STE 65B259",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953504373",
            "telephone_number": "209-579-5628",
            "fax_number": "209-579-5637"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2351 CLAY ST",
            "address_2": "SUITE 308",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941151931",
            "telephone_number": "415-600-3458",
            "fax_number": "415-600-3451"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMILTON",
        "first_name": "IVAN",
        "middle_name": "DEDRICK GAVIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-10",
        "last_updated": "2021-05-28",
        "certification_date": "2021-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A104632",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D63437",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1669421202",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "408417900",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "AV608Z",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.