Individual provider Active NPI

Geoffrey S Spencer, MD

  • Gastroenterology Physician
  • San Jose, CA
National Provider Identifier
1578625828
Registry record updated Jul 14, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A108150 Issued in CA
Practice address
2440 Samaritan Dr
Suite #1
San Jose, CA 95124-3911
Phone
(408) 626-7375
Fax
(408) 626-7368
NPI assigned
Dec 14, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 14, 2009

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X A108150 CA Primary
Gastroenterology Physician 207RG0100X MD421763 PA

Addresses

Primary practice location

2440 Samaritan Dr
Suite #1
San Jose, CA 95124-3911

Mailing address

2440 Samaritan Dr
Suite #1
San Jose, CA 95124-3911
Phone (408) 626-7375

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
I20091110000230 CA Practitioner - Gastroenterology 2163514241 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Eastern Virginia Medical School, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, shared by 16 NPIs, 3,783 clinicians

Practice addresses (Care Compare)

2425 Samaritan Dr
San Jose, CA 95124-3908
Phone (408) 559-2011

2506 Samaritan CT
San Jose, CA 95124-4001
Phone (408) 739-6000

370 Distel Cir
Los Altos, CA 94022-1404
Phone (650) 254-5200

795 El Camino Real
Palo Alto, CA 94301-2302
Phone (415) 600-1020

815 Pollard Rd
Los Gatos, CA 95032-1438
Phone (408) 378-6131

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy106
Upper gastrointestinal (GI) endoscopy for acid reflux247

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A108150CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Feb 2, 2015 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Mar 18, 2024 Accepting new patients
Sutter Bay Medical Foundation Current Accepting new patients
Sutter Bay Medical Foundation CurrentSince Feb 2, 2015 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Feb 2, 2015 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Feb 2, 2015 Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients
Presbyterian Medical Center of the University of Pennsylvania Health S Past Accepting new patients
The Pennsylvania Hospital of the University of Pennsylvania Health Sys Past Accepting new patients
El Camino Hospital Past Accepting new patients
Good Samaritan Hospital, L.P. Past Accepting new patients

Locations

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

325 Distel Cir
Los Altos, CA 94022
Phone (510) 204-3977

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

701 E El Camino Real
#1
Mountain View, CA 94040
Phone (650) 404-8440

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

795 El Camino Real
#1112
Palo Alto, CA 94301

290 Redwood Shores Pkwy
Redwood City, CA 94065
Phone (650) 598-3160

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

2581 Samaritan Dr
Ste 308
San Jose, CA 95124
Phone (408) 355-1700

2581 Samaritan Dr
Ste 200
San Jose, CA 95124
Phone (408) 358-2030

2506 Samaritan Ct
San Jose, CA 95124
Phone (408) 523-3870

2440 Samaritan Dr
Ste 1
San Jose, CA 95124
Phone (408) 478-6750

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

2128 Soquel Ave
Santa Cruz, CA 95062
Phone (831) 425-0727

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

Interoperability endpoints

  • Direct secure messaging: gspencer162469@hisp.ehr.sutterhealth.org

Organizations & group practices 11

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.

Hospital & facility affiliations 11

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": "1166054400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1247529600000",
    "number": "1578625828",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2440 SAMARITAN DR",
            "address_2": "SUITE #1",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951243911",
            "telephone_number": "408-626-7375",
            "fax_number": "408-626-7368"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2440 SAMARITAN DR",
            "address_2": "SUITE #1",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951243911",
            "telephone_number": "408-626-7375",
            "fax_number": "408-626-7368"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPENCER",
        "first_name": "GEOFFREY",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-12-14",
        "last_updated": "2009-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A108150",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "PA",
            "license": "MD421763",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Jose, CA

Sources for this page

Verify at the official NPI Registry.