Individual provider Active NPI

Christopher Nelson, MD

  • Emergency Medicine Physician
  • San Jose, CA
National Provider Identifier
1780147058
Registry record updated Dec 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A178884 Issued in CA
Practice address
2105 Forest Ave
San Jose, CA 95128-1471
Phone
(408) 947-3999
NPI assigned
Apr 12, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 4, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A178884 CA Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

2105 Forest Ave
San Jose, CA 95128-1471

Mailing address

2105 Forest Ave
San Jose, CA 95128-1471
Phone (408) 947-3999

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
I20230725002961 CA Practitioner - Emergency Medicine 3678934510 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Tulane University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergency Physicians Associates San Jose PCGroup PAC ID 8921344292, 131 clinicians

Practice addresses (Care Compare)

751 S Bascom Ave
San Jose, CA 95128-2604
Phone (408) 885-5000

Hospital & facility affiliations

  • Santa Clara Valley Medical Center Hospital, San Jose, CA, CCN 050038

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A178884CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Santa Clara CurrentSince Jul 11, 2023 Accepting new patients
County of Santa Clara CurrentSince Jul 11, 2023 Accepting new patients
County of Santa Clara CurrentSince Jul 11, 2023 Accepting new patients
Emergency Physicians Associates San Jose PC Emergency Medicine CurrentSince Jul 1, 2023 Accepting new patients
County of Santa Clara Current Accepting new patients
County of Santa Clara CurrentSince Jul 11, 2023 Accepting new patients
County of Santa Clara Emergency Medicine Current Accepting new patients

Locations

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

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

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

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

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

2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050

2105 Forest Ave
San Jose, CA 95128
Phone (408) 947-2500

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

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

Interoperability endpoints

  • Direct secure messaging: cnelson91500@direct.phhs.org
  • Direct secure messaging: cnelson186911@santaclaravalley.direct-ci.net

Organizations & group practices 7

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 1

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": "1555027200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764806400000",
    "number": "1780147058",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2105 FOREST AVE",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951281471",
            "telephone_number": "408-947-3999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2105 FOREST AVE",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951281471",
            "telephone_number": "408-947-3999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NELSON",
        "first_name": "CHRISTOPHER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-12",
        "last_updated": "2025-12-04",
        "certification_date": "2025-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A178884",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Jose, CA

Sources for this page

Verify at the official NPI Registry.