Individual provider Active NPI

Andrew Diamond Guenthart, M.D.

  • Surgery of the Hand (Surgery) Physician
  • Morgan Hill, CA
National Provider Identifier
1134482805
Registry record updated Jun 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery of the Hand (Surgery) PhysicianTaxonomy code 2086S0105X
License
51048 Issued in KY
Practice address
16360 Monterey Rd Ste 280
Morgan Hill, CA 95037-5496
Phone
(408) 825-1333
Fax
(408) 825-1335
NPI assigned
Jun 19, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X A168013 CA
Surgery of the Hand (Surgery) Physician 2086S0105X A168013 CA
Surgery of the Hand (Surgery) Physician 2086S0105X 51048 KY Primary

Addresses

Primary practice location

16360 Monterey Rd Ste 280
Morgan Hill, CA 95037-5496

Mailing address

16360 Monterey Rd Ste 280
Morgan Hill, CA 95037-5496
Phone (408) 825-1333

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, KY2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20210628003249 CA Practitioner - General SurgeryPractitioner - Hand Surgery 0446587299 Reassigns benefits to 1 organization
I20210702002718 KY Practitioner - General Surgery 0446587299 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General SurgeryAlso: Hand Surgery
Education
Temple University School of Medicine, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Bass Medical GroupGroup PAC ID 9032111281, 292 clinicians

Practice addresses (Care Compare)

2204 Grant Rd
Suite 103
Mountain View, CA 94040-3877
Phone (650) 967-8841

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair - groin (open)1-10
Hernia repair (minimally invasive)1-10
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A168013CAMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baptist Health Medical Group Inc Surgery Current Accepting new patients
Baptist Health Medical Group Inc CurrentSince Jun 1, 2025 Accepting new patients
Appalachian Regional Healthcare, Inc. CurrentSince Jun 28, 2021 Accepting new patients
Bass Medical Group Current Accepting new patients
Bass Medical Group CurrentSince May 1, 2022 Accepting new patients
Appalachian Regional Healthcare, Inc CurrentSince Jun 28, 2021 Accepting new patients
Bass Medical Group CurrentSince May 1, 2022 Accepting new patients
Baptist Health Medical Group Inc CurrentSince Jun 1, 2025 Accepting new patients
Appalachian Regional Healthcare, Inc Current Accepting new patients
North Shore-Lij Medical PC Past Accepting new patients
County of Santa Clara Past Accepting new patients
University Hospital at Stony Brook Past Accepting new patients
Appalachian Regional Healthcare, Inc. Past Accepting new patients

Locations

16360 Monterey Rd
Ste 280
Morgan Hill, CA 95037
Phone (408) 825-1333

2204 Grant Rd
Ste 103
Mountain View, CA 94040
Phone (650) 967-8841

365 Lennon Ln
Ste 250
Walnut Creek, CA 94598
Phone (925) 627-3424

100 Airport Gardens Rd
Ste 311
Hazard, KY 41701
Phone (606) 439-6978

2603 Kentucky Ave
Ste 304
Paducah, KY 42003
Phone (270) 415-4800

2601 Kentucky Ave
Ste 201
Paducah, KY 42003
Phone (270) 538-9555

306 Hospital Dr
#110A
South Williamson, KY 41503
Phone (606) 237-1740

306 Hospital Dr
South Williamson, KY 41503
Phone (606) 237-1700

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: aguenthart152045@ehr.johnmuirhealth.com
  • Direct secure messaging: aguenthart177032@santaclaravalley.direct-ci.net

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 5

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": "1340064000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749427200000",
    "number": "1134482805",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16360 MONTEREY RD STE 280",
            "city": "MORGAN HILL",
            "state": "CA",
            "postal_code": "950375496",
            "telephone_number": "408-825-1333",
            "fax_number": "408-825-1335"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16360 MONTEREY RD STE 280",
            "city": "MORGAN HILL",
            "state": "CA",
            "postal_code": "950375496",
            "telephone_number": "408-825-1333",
            "fax_number": "408-825-1335"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUENTHART",
        "first_name": "ANDREW",
        "middle_name": "DIAMOND",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-19",
        "last_updated": "2025-06-09",
        "certification_date": "2025-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A168013",
            "primary": false
        },
        {
            "code": "2086S0105X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgery of the Hand",
            "state": "CA",
            "license": "A168013",
            "primary": false
        },
        {
            "code": "2086S0105X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgery of the Hand",
            "state": "KY",
            "license": "51048",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Morgan Hill, CA

Sources for this page

Verify at the official NPI Registry.