NPIMap

Individual provider Active NPI

Alex Diaz, D.O.

  • Pulmonary Disease Physician
  • San Ramon, CA
National Provider Identifier
1659759363
Registry record updated Sep 8, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
20A18649 Issued in CA
Practice address
5401 Norris Canyon Rd Ste 306
San Ramon, CA 94583-5408
Phone
(925) 866-8822
NPI assigned
May 13, 2015
Last updated
Sep 8, 2021By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 8, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Pulmonary Disease Physician 207RP1001X 20A18649 CA Primary

Addresses

Primary practice location

5401 Norris Canyon Rd Ste 306
San Ramon, CA 94583-5408

Mailing address

5401 Norris Canyon Rd Ste 308
San Ramon, CA 94583-5408
Phone (925) 866-8822

Other identifiers 1

IdentifierTypeStateIssuer
1659759363MedicaidCO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20200812001474 NY Practitioner - Internal Medicine 6608292313 Reassigns benefits to 1 organization
I20210921000801 CA Practitioner - Internal Medicine 6608292313 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

5401 Norris Canyon Rd
Suite 308
San Ramon, CA 94583-5408
Phone (925) 866-8822

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A18649CAMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Nassau Health Care Corporation CurrentSince Apr 10, 2020 Accepting new patients
Nassau Health Care Corporation CurrentSince Apr 10, 2020 Accepting new patients
Alex R Diaz Inc CurrentSince Feb 1, 2024 Accepting new patients
Nassau Health Care Corporation Current Accepting new patients
Nassau Health Care Corporation Past Accepting new patients
Hill Physicians Medical Group - PPO Program Past Accepting new patients
San Ramon Regional Medical Center, LLC Past Accepting new patients

Locations

5401 Norris Canyon Rd
Ste 306
San Ramon, CA 94583
Phone (570) 277-0101

5401 Norris Canyon Rd
Ste 308
San Ramon, CA 94583
Phone (925) 866-8822

2201 Hempstead Tpke
East Meadow, NY 11554
Phone (516) 486-6862

2201 Hempstead Tpke
Fl 19
East Meadow, NY 11554
Phone (516) 486-6862

2201 Hempstead Tpke
Rm 2448
East Meadow, NY 11554
Phone (516) 572-1234

Interoperability endpoints

  • Direct secure messaging: adiaz127178@hpmg.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 6

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": "1431475200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1631059200000",
    "number": "1659759363",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5401 NORRIS CANYON RD STE 308",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945835408",
            "telephone_number": "925-866-8822"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5401 NORRIS CANYON RD STE 306",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945835408",
            "telephone_number": "925-866-8822"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "ALEX",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-05-13",
        "last_updated": "2021-09-08",
        "certification_date": "2021-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "20A18649",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1659759363",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Ramon, CA

Sources for this page

Verify at the official NPI Registry.