Individual provider Active NPI

Garth Howland Harley Jr., MD

  • Diagnostic Radiology Physician
  • Tracy, CA
National Provider Identifier
1194715078
Registry record updated Jan 28, 2008
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
G68992 Issued in CA
Practice address
1530 Bessie Ave
Suite 108
Tracy, CA 95376-3080
Phone
(209) 342-2300
Fax
(209) 524-4240
NPI assigned
Oct 24, 2005
Last updated
Jan 28, 2008By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 28, 2008

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X G68992 CA Primary

Addresses

Primary practice location

1530 Bessie Ave
Suite 108
Tracy, CA 95376-3080

Mailing address

4301 Northstar Way
Modesto, CA 95356-9262
Phone (209) 342-2300

Other identifiers 2

IdentifierTypeStateIssuer
00G689920OtherCABLUE SHIELD
00G689920MedicaidCA

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
I20041118000274 CA Practitioner - Diagnostic RadiologyPractitioner - General Practice 8426032392 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic RadiologyAlso: General Practice
Education
Georgetown University School of Medicine, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dignity Health Medical FoundationGroup PAC ID 7810800661, 1,211 clinicians
County of San JoaquinGroup PAC ID 6002703436, 199 clinicians

Practice addresses (Care Compare)

1380 Lead Hill Blvd
Suite 100
Roseville, CA 95661-2997
Phone (916) 535-2030

500 W Hospital Rd
French Camp, CA 95231-9693
Phone (209) 468-6000

975 S Fairmont Ave
Lodi, CA 95240-5118
Phone (209) 334-3411

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
61 of 100Reported as group
Quality
59.41
Promoting interoperability
0
Improvement activities
40
Cost
71.45

Merit-based Incentive Payment System (MIPS)

Final score
53.98 of 100Reported as group
Quality
11.8
Promoting interoperability
74
Improvement activities
0
Cost
82.7

Merit-based Incentive Payment System (MIPS)

Final score
99.64 of 100Reported as apm
Quality
86.27
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
90.67 of 100Reported as group
Quality
84.1
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G68992CAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Santa Clara CurrentSince May 25, 2022 Accepting new patients
Adventist Health Physicians Network Current Accepting new patients
Adventist Health Physicians Network CurrentSince Jun 1, 2025 Accepting new patients
Lodi Memorial Hospital Association Inc CurrentSince Jun 1, 2025 Accepting new patients
County of Santa Clara CurrentSince May 25, 2022 Accepting new patients
Bay Imaging Consultants Medical Group Inc Diagnostic Radiology Current Accepting new patients
Pleasanton Diagnostic Imaging, Inc. Diagnostic Radiology CurrentSince Apr 16, 2026 Accepting new patients
County of Santa Clara Current Accepting new patients
Bay Imaging Consultants Medical Group Inc Diagnostic Radiology CurrentSince Aug 1, 2023 Accepting new patients
Dignity Health Medical Foundation CurrentSince Dec 18, 2023 Accepting new patients
County of Santa Clara Current Accepting new patients
Dignity Health Medical Foundation Current Accepting new patients
Delta Radiology, Inc. Current Accepting new patients
Adventist Health Physicians Network CurrentSince Jun 1, 2025 Accepting new patients
Lodi Memorial Hospital Association, Inc Current Accepting new patients
Bay Imaging Consultants Medical Group Inc Diagnostic Radiology CurrentSince Aug 1, 2023 Accepting new patients
Delta Radiology, Inc. CurrentSince Apr 1, 2025 Accepting new patients
County of Santa Clara CurrentSince May 25, 2022 Accepting new patients
Dignity Health Medical Foundation CurrentSince Dec 18, 2023 Accepting new patients
Pleasanton Diagnostic Imaging, Inc. Diagnostic Radiology CurrentSince Apr 16, 2026 Accepting new patients
Sutter Tracy Community Hospital Past Accepting new patients
County of Santa Clara Past Accepting new patients
Memorail Hospital of Los Banos Past Accepting new patients
Central Valley Imaging Medical Associates, Inc Diagnostic Radiology Past Accepting new patients
County of San Joaquin Past Accepting new patients
Delta Sierra Medical Group, Inc PastSince Dec 7, 2025 Accepting new patients
Santa Cruz Medical Clinic, Inc Past Accepting new patients
Texas Diagnostic Imaging, P.a. Diagnostic Radiology PastSince Jan 1, 1990 Accepting new patients
Doctors Hospital of Manteca, Inc. Past Accepting new patients

Locations

500 W Hospital Rd
French Camp, CA 95231
Phone (209) 468-6000

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

9400 No Name Uno
Gilroy, CA 95020
Phone (408) 848-2000

1031 S Fairmont Ave
Lodi, CA 95240
Phone (209) 333-7422

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

1205 E North St
Manteca, CA 95336
Phone (209) 239-8301

2510 Airpark Dr
Ste 301
Redding, CA 96001
Phone (530) 242-3500

1380 Lead Hill Blvd
Ste 100
Roseville, CA 95661
Phone (916) 535-2030

3000 Q St
Sacramento, CA 95816
Phone (916) 733-5701

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846

225 N Jackson Ave
San Jose, CA 95116
Phone (408) 347-4051

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

1595 Soquel Dr
Ste 400
Santa Cruz, CA 95065
Phone (831) 475-1111

1661 Soquel Dr
Ste G
Santa Cruz, CA 95065
Phone (831) 476-1542

660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366

Interoperability endpoints

  • Direct secure messaging: gharley31202@hisp.ehr.sutterhealth.org

Organizations & group practices 31

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.

View all 31

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": "1130112000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1201478400000",
    "number": "1194715078",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4301 NORTHSTAR WAY",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953569262",
            "telephone_number": "209-342-2300",
            "fax_number": "209-524-4240"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1530 BESSIE AVE",
            "address_2": "SUITE 108",
            "city": "TRACY",
            "state": "CA",
            "postal_code": "953763080",
            "telephone_number": "209-342-2300",
            "fax_number": "209-524-4240"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARLEY",
        "first_name": "GARTH",
        "middle_name": "HOWLAND",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-24",
        "last_updated": "2008-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "G68992",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD",
            "identifier": "00G689920",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G689920",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Tracy, CA

Sources for this page

Verify at the official NPI Registry.