NPIMap

Individual provider Active NPI

Gwendolen Chang, M.D.

  • Internal Medicine Physician
  • San Leandro, CA
National Provider Identifier
1386807402
Registry record updated Dec 4, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A106132 Issued in CA
Practice address
13851 E 14TH St Ste 206
San Leandro, CA 94578-2627
Phone
(510) 351-9373
Fax
(510) 351-0616
NPI assigned
Jul 9, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 4, 2013

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 A106132 CA Primary

Addresses

Primary practice location

13851 E 14TH St Ste 206
San Leandro, CA 94578-2627

Mailing address

13851 E 14TH St Ste 206
San Leandro, CA 94578-2627
Phone (510) 351-9373

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
I20110106000994 CA Practitioner - NephrologyPractitioner - Internal Medicine 6901095959 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Stanford University School of Medicine, 2007
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

Practice addresses (Care Compare)

13851 E 14TH St
Suite 206
San Leandro, CA 94578-2627
Phone (510) 351-9373

Hospital & facility affiliations

  • DaVita San Leandro Marina Dialysis Dialysis facility, San Leandro, CA, CCN 552749
  • Rai - East 14TH Street - San Leandro Dialysis facility, Oakland, CA, CCN 052742
  • SHC San Leandro Dialysis facility, San Leandro, CA, CCN 552629
  • DaVita East Bay Peritoneal Dialysis Center Dialysis facility, San Leandro, CA, CCN 052675
  • Rai - Bancroft Ave - Oakland Dialysis facility, Oakland, CA, CCN 052815
  • Highland Hospital Hospital, Oakland, CA, CCN 050320
  • Eden Medical Center Hospital, Castro Valley, CA, CCN 050488
  • Alameda Hospital Hospital, Alameda, CA, CCN 050211
  • Alta Bates Summit Medical Center Hospital, Oakland, CA, CCN 050043

Merit-based Incentive Payment System (MIPS)

Final score
96.85 of 100Reported as individual
Quality
88.17
Promoting interoperability
94
Improvement activities
40
Cost
73.01

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Alameda Health System CurrentSince Jan 30, 2024 Accepting new patients
Alameda Health System CurrentSince Jan 30, 2024 Accepting new patients
Eden Medical Center/San Leandro Hospital Campus Past Accepting new patients
Motion Picture and Television Fund Medical Group, Inc Internal Medicine Past Accepting new patients
Alta Bates Summit Medical Center Past Accepting new patients
St. Joseph Health Northern California, LLC Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
Alameda Health System Past Accepting new patients
Cedars-Sinai Medical Center Past Accepting new patients

Locations

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

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: gchang176536@hisp.ehr.sutterhealth.org
  • Direct secure messaging: gchang14091@alamedahs.direct-ci.com
  • Direct secure messaging: gwendolen.chang.1@8243.direct.athenahealth.com

Organizations & group practices 10

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 9

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": "1215561600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1386115200000",
    "number": "1386807402",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13851 E 14TH ST STE 206",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945782627",
            "telephone_number": "510-351-9373",
            "fax_number": "510-351-0616"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13851 E 14TH ST STE 206",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945782627",
            "telephone_number": "510-351-9373",
            "fax_number": "510-351-0616"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "GWENDOLEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-07-09",
        "last_updated": "2013-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A106132",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Leandro, CA

Sources for this page

Verify at the official NPI Registry.