NPIMap

Individual provider Active NPI

Michael Chai, M.D.

  • Internal Medicine Physician
  • Upland, CA
National Provider Identifier
1083748727
Registry record updated Nov 20, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
G79965 Issued in CA
Practice address
490 N Mountain Ave # B
Upland, CA 91786-5117
Phone
(909) 920-6698
Fax
(909) 931-7192
NPI assigned
Mar 15, 2007
Last updated
Nov 20, 2023By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 20, 2023

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 G79965 CA Primary

Addresses

Primary practice location

490 N Mountain Ave # B
Upland, CA 91786-5117

Mailing address

490 N Mountain Ave # B
Upland, CA 91786-5117
Phone (909) 920-6698

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
I20070613000243 CA Practitioner - Internal Medicine 2365540408 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Eastern Virginia Medical School, 1994
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Congregational HomesGroup PAC ID 6901907245, 19 clinicians

Practice addresses (Care Compare)

1113 Alta Ave
Suite 106
Upland, CA 91786-2800

1113 Alta Ave
Suite 106
Upland, CA 91786-2803
Phone (909) 920-6698

8816 Foothill Blvd
Rancho Cucamonga, CA 91730-7107

900 E Harrison Ave
Pomona, CA 91767-2075
Phone (909) 624-5061

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G79965CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Michael Chai MD Inc Internal Medicine CurrentSince Apr 1, 2001 Accepting new patients
Sach Physician Billing Trust CurrentSince Nov 30, 1998 Accepting new patients
Casa Colina Hospital and Centers for Healthcare Current Accepting new patients

Locations

255 E Bonita Ave
Pomona, CA 91767
Phone (866) 724-4127

8816 Foothill Blvd
Ste 103
Rch Cucamonga, CA 91730
Phone (562) 236-3432

8816 Foothill Blvd
Ste 322
Rch Cucamonga, CA 91730

1113 Alta Ave
Ste 106
Upland, CA 91786
Phone (909) 353-2947

999 San Bernardino Rd
Upland, CA 91786
Phone (909) 920-4841

Interoperability endpoints

  • Direct secure messaging: casacolina@direct.casacolina.org

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Good Hope Home Health Care IncUpland, CA, CCN 557716 Home health agency Contracted Managing Employee Oct 8, 2003

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

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 7

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": "1173916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1700438400000",
    "number": "1083748727",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "490 N MOUNTAIN AVE # B",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917865117",
            "telephone_number": "909-920-6698",
            "fax_number": "909-931-7192"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "490 N MOUNTAIN AVE # B",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917865117",
            "telephone_number": "909-920-6698",
            "fax_number": "909-931-7192"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAI",
        "first_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-15",
        "last_updated": "2023-11-20",
        "certification_date": "2023-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G79965",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Upland, CA

Sources for this page

Verify at the official NPI Registry.