NPIMap

Individual provider Active NPI

John J Hong, MD

  • Gastroenterology Physician
  • Fallbrook, CA
National Provider Identifier
1023088630
Registry record updated Jan 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A63582 Issued in CA
Practice address
521 East Elder St
#104
Fallbrook, CA 92028
Phone
(760) 728-9560
Fax
(760) 728-9020
NPI assigned
Jan 25, 2006
Last updated
Jan 5, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X A63582 CA Primary

Addresses

Primary practice location

521 East Elder St
#104
Fallbrook, CA 92028

Mailing address

28078 Baxter Rd Ste 530
Murrieta, CA 92563-1405
Phone (951) 290-5472

Other identifiers 2

IdentifierTypeStateIssuer
00A635820MedicaidCA
GR0050840MedicaidCA

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
I20040204001049 CA Practitioner - Gastroenterology 5193628758 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
University of Miami, LM Miller School of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
United Medical DoctorsGroup PAC ID 2961305651, 168 clinicians

Practice addresses (Care Compare)

31469 Rancho Pueblo Rd
Suite 101
Temecula, CA 92592-4834
Phone (951) 303-3718

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy682
Upper gastrointestinal (GI) endoscopy for acid reflux621

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
United Surgery Center Carlsbad LLC PastSince May 14, 2024 Accepting new patients
Uhs Corona Inc Past Accepting new patients
Temecula Ca United Surgery Center, LP Past Accepting new patients
Ocige Inc PastSince Jan 4, 2023 Accepting new patients

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/9170/brand/1/csg/1/fhir/r4
  • Direct secure messaging: jhong181954@direct.llu.edu
  • Direct secure messaging: john.hong.p24@direct.monarchhealthcare.nextgenshare.com

Ownership & related parties

All facility ownership & control disclosures 4

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

FacilityTypeRoleSince
Joshua HouseLos Angeles, CA, CCN 051158 Federally qualified health center Corporate Director Mar 27, 2008
Los Angeles Christian Health CentersLos Angeles, CA, CCN 051195 Federally qualified health center Corporate Director Jul 27, 2009
Joshua House Health CenterLos Angeles, CA, CCN A01164 Federally qualified health center Corporate Director Jan 1, 2007
Exodus Recovery - IcmLos Angeles, CA, CCN A01966 Federally qualified health center Corporate Director Jan 1, 2007

Owned or controlled facilities with NPI records 4

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

Organizations & group practices 8

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1138147200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1023088630",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "28078 BAXTER RD STE 530",
            "city": "MURRIETA",
            "state": "CA",
            "postal_code": "925631405",
            "telephone_number": "951-290-5472",
            "fax_number": "951-698-0272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "521 EAST ELDER ST",
            "address_2": "#104",
            "city": "FALLBROOK",
            "state": "CA",
            "postal_code": "92028",
            "telephone_number": "760-728-9560",
            "fax_number": "760-728-9020"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HONG",
        "first_name": "JOHN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-25",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A63582",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A635820",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0050840",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fallbrook, CA

Sources for this page

Verify at the official NPI Registry.