Individual provider Active NPI

Mark S Penner, DO

  • Emergency Medicine Physician
  • San Jose, CA
National Provider Identifier
1689602500
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
20A8037 Issued in CA
Practice address
2105 Forest Ave
San Jose, CA 95128-1425
Phone
(408) 947-2500
Fax
(818) 587-2493
NPI assigned
Jun 29, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 20A8037 CA Primary

Addresses

Primary practice location

2105 Forest Ave
San Jose, CA 95128-1425

Mailing address

PO Box 4419
Woodland Hills, CA 91365-4419
Phone (888) 620-3100

Other identifiers 3

IdentifierTypeStateIssuer
00AX80370MedicaidCA
P00273019OtherCARAILROAD MEDICARE
020A80370OtherCABLUE SHIELD

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
I20040817001477 CA Practitioner - Emergency Medicine 8022081025 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Western University of Health Sciences College of Dental Med, 1994
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)

2105 Forest Ave
San Jose, CA 95128-1425
Phone (408) 947-2500

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
8037CAMDProfessional Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Physicians Associates Fremont PC Emergency Medicine CurrentSince Jan 1, 2019 Accepting new patients
County of Santa Clara Current Accepting new patients
Emergency Physicians Associates San Jose PC Emergency Medicine CurrentSince Jan 1, 2019 Accepting new patients
County of Santa Clara CurrentSince May 21, 2019 Accepting new patients
County of Santa Clara Emergency Medicine CurrentSince May 21, 2019 Accepting new patients
Emergency Physicians Associates Overhead Operating Account Dennis Belo Emergency Medicine CurrentSince Sep 1, 2005 Accepting new patients
Waterbury Hospital Past Accepting new patients
Carbon Health Primary Care of California PC PastSince Jul 20, 2025 Accepting new patients

Locations

2000 Mowry Ave
Fremont, CA 94538
Phone (510) 793-6653

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

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

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

Interoperability endpoints

  • Direct secure messaging: mpenner125209@santaclaravalley.direct-ci.net

Organizations & group practices 8

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": "1151539200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1689602500",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4419",
            "city": "WOODLAND HILLS",
            "state": "CA",
            "postal_code": "913654419",
            "telephone_number": "888-620-3100",
            "fax_number": "818-587-2493"
        },
        {
            "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": "951281425",
            "telephone_number": "408-947-2500",
            "fax_number": "818-587-2493"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PENNER",
        "first_name": "MARK",
        "middle_name": "S",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-29",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "20A8037",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00AX80370",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00273019",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD",
            "identifier": "020A80370",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Jose, CA

Sources for this page

Verify at the official NPI Registry.