Individual provider Active NPI

Alejandro Ernesto Diaz, MD

  • Internal Medicine Physician
  • Oakland, CA
National Provider Identifier
1437591104
Registry record updated Apr 13, 2016
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
132627 Issued in CA
Practice address
1411 E 31St St
Oakland, CA 94602-1018
Phone
(510) 437-4887
NPI assigned
Jul 23, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 13, 2016

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 132627 CA Primary

Addresses

Primary practice location

1411 E 31St St
Oakland, CA 94602-1018

Mailing address

1411 E 31St St
Oakland, CA 94602-1018
Phone (510) 437-4887

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
I20151204000660 CA Practitioner - Internal Medicine 8224338736 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Alameda Health SystemGroup PAC ID 3779494521, 597 clinicians

Practice addresses (Care Compare)

1411 E 31St St
Oakland, CA 94602-1018
Phone (510) 437-4800

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.17 of 100Reported as group
Quality
86.93
Promoting interoperability
100
Improvement activities
40
Cost
72.6

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Alameda Health System CurrentSince Oct 21, 2015 Accepting new patients
Alameda Health System Past Accepting new patients

Locations

15400 Foothill Blvd
Castro Valley, CA 94578
Phone (510) 346-1468

664 Southland Mall
Hayward, CA 94545
Phone (510) 266-1700

6955 Foothill Blvd
Ste 200
Oakland, CA 94605
Phone (510) 567-5700

1411 E 31st St
Oakland, CA 94602
Phone (510) 437-4323

Interoperability endpoints

  • Direct secure messaging: adiaz14151@alamedahs.direct-ci.com

Organizations & group practices 2

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 4

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": "1374537600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1460505600000",
    "number": "1437591104",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1411 E 31ST ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946021018",
            "telephone_number": "510-437-4887"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1411 E 31ST ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946021018",
            "telephone_number": "510-437-4887"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "ALEJANDRO",
        "middle_name": "ERNESTO",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-07-23",
        "last_updated": "2016-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "132627",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oakland, CA

Sources for this page

Verify at the official NPI Registry.