Individual provider Active NPI

Jennifer Youngeun O'Neill-Cha, M.D.

  • Hospitalist Physician
  • Concord, CA
National Provider Identifier
1033479936
Registry record updated Apr 24, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
A126813 Issued in CA
Practice address
2700 Grant St Ste 200
Concord, CA 94520-2270
Phone
(925) 947-3312
NPI assigned
May 24, 2012
Last updated
Apr 24, 2024By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 24, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X A126813 CA Primary

Addresses

Primary practice location

2700 Grant St Ste 200
Concord, CA 94520-2270

Mailing address

1450 Treat Blvd # 300
Walnut Creek, CA 94597-2168
Phone (925) 952-2888

Other practice location 1

350 Hawthorne Ave Rm 2346
Oakland, CA 94609-3108
Phone (510) 869-6883

Other identifiers 1

IdentifierTypeStateIssuer
A126813OtherCASTATE LICENSE

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20150805008714 CA Practitioner - HospitalistPractitioner - Internal Medicine 8123332095 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Loma Linda University School of Medicine, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
John Muir Physician NetworkGroup PAC ID 6608789813, 488 clinicians

Practice addresses (Care Compare)

2700 Grant St
Suite 200
Concord, CA 94520-2270
Phone (925) 674-0500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A126813CAMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
John Muir Physician Network CurrentSince Apr 1, 2024 Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
John Muir Health Past Accepting new patients
John Muir Health Past Accepting new patients

Locations

2400 Balfour Rd
Ste 120
Brentwood, CA 94513
Phone (925) 308-8112

2700 Grant St
Ste 200
Concord, CA 94520
Phone (925) 674-2609

380 Civic Dr
Ste 100
Pleasant Hill, CA 94523
Phone (925) 284-3840

Organizations & group practices 4

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 3

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": "1337817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1713916800000",
    "number": "1033479936",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1450 TREAT BLVD # 300",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972168",
            "telephone_number": "925-952-2888"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2700 GRANT ST STE 200",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202270",
            "telephone_number": "925-947-3312"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "350 Hawthorne Ave Rm 2346",
            "address_purpose": "LOCATION",
            "city": "Oakland",
            "state": "CA",
            "postal_code": "946093108",
            "country_code": "US",
            "telephone_number": "510-869-6883",
            "fax_number": "510-869-6888",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'NEILL-CHA",
        "first_name": "JENNIFER",
        "middle_name": "YOUNGEUN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-05-24",
        "last_updated": "2024-04-24",
        "certification_date": "2024-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A126813",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "A126813",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, CA

Sources for this page

Verify at the official NPI Registry.