NPIMap

Individual provider Active NPI

Warren Chang, MD

  • Nephrology Physician
  • Daly City, CA
National Provider Identifier
1083674550
Registry record updated Aug 26, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
AG9500 Issued in CA
Practice address
1498 Southgate Ave
Suite 102
Daly City, CA 94015-4015
Phone
(650) 755-4492
Fax
(650) 755-4466
NPI assigned
Mar 27, 2006
Last updated
Aug 26, 2019By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 26, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X AG9500 CA Primary

Addresses

Primary practice location

1498 Southgate Ave
Suite 102
Daly City, CA 94015-4015

Mailing address

2149 E Warner Rd Ste 102
Tempe, AZ 85284-3495
Phone (480) 393-0309

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050523000831 CA Practitioner - Nephrology 1759323595 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
West Coast KidneyGroup PAC ID 1759700149, 56 clinicians
North East Medical ServicesGroup PAC ID 4284520529, 143 clinicians

Practice addresses (Care Compare)

1498 Southgate Ave
Suite 102
Daly City, CA 94015-4015
Phone (650) 755-4490

1520 Stockton St
San Francisco, CA 94133-3354
Phone (415) 391-9686

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as individual
Quality
99.33
Promoting interoperability
99
Improvement activities
40
Cost
80.56

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
69500CAMDPharmacist
AG9500CAMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
West Bay Nephrology Associates Nephrology CurrentSince Jul 1, 2003 Accepting new patients
North East Medical Services CurrentSince Sep 1, 2023 Accepting new patients
Dignity Health CurrentSince Jan 1, 2008 Accepting new patients
North East Medical Services Current Accepting new patients
UCSF Health Community Hospitals CurrentSince Jan 1, 2008 Accepting new patients
North East Medical Services CurrentSince Sep 1, 2023 Accepting new patients
Sutter Bay Medical Foundation Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
UCSF Health Community Hospitals Past Accepting new patients
Mills-Peninsula Health Services Past Accepting new patients
Seton Medical Center Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients

Locations

1860 El Camino Real
Ste 321
Burlingame, CA 94010
Phone (650) 552-8180

1498 Southgate Ave
#102
Daly City, CA 94015
Phone (650) 755-4490

211 Eastmoor Ave
Daly City, CA 94015
Phone (650) 550-3923

1520 Stockton St
San Francisco, CA 94133

2235 Hayes St
Fl 5
San Francisco, CA 94117
Phone (415) 750-5500

2250 Hayes St
Ste 612
San Francisco, CA 94117
Phone (415) 268-3208

450 Stanyan St
San Francisco, CA 94117
Phone (415) 668-1000

82 Leland Ave
San Francisco, CA 94134
Phone (415) 391-9688

1870 Lundy Ave
San Jose, CA 95131
Phone (408) 573-9686

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/17475/brand/1/csg/1/fhir/r4
  • Direct secure messaging: warren.chang.1@8243.direct.athenahealth.com
  • Direct secure messaging: wchang22474@hisp.ehr.sutterhealth.org

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 12

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": "1143417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1566777600000",
    "number": "1083674550",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2149 E WARNER RD STE 102",
            "city": "TEMPE",
            "state": "AZ",
            "postal_code": "852843495",
            "telephone_number": "480-393-0309",
            "fax_number": "480-610-6189"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1498 SOUTHGATE AVE",
            "address_2": "SUITE 102",
            "city": "DALY CITY",
            "state": "CA",
            "postal_code": "940154015",
            "telephone_number": "650-755-4492",
            "fax_number": "650-755-4466"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "WARREN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-03-27",
        "last_updated": "2019-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CA",
            "license": "AG9500",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Daly City, CA

Sources for this page

Verify at the official NPI Registry.