Individual provider Active NPI

James Hwang, MD

  • Gastroenterology Physician
  • Ridgecrest, CA
National Provider Identifier
1659803146
Registry record updated Nov 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A185481 Issued in CA
Practice address
1041 N China Lake Blvd
Ridgecrest, CA 93555-3168
Phone
(760) 446-0121
NPI assigned
Apr 3, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 4, 2025

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 A185481 CA Primary

Addresses

Primary practice location

1041 N China Lake Blvd
Ridgecrest, CA 93555-3168

Mailing address

1041 N China Lake Blvd
Ridgecrest, CA 93555-3168
Phone (760) 446-0121

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: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20231010004272 CA Practitioner - Gastroenterology 1951672872 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Gastroenterology
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ridgecrest Regional HospitalGroup PAC ID 9739099896, shared by 9 NPIs, 94 clinicians
United Medical DoctorsGroup PAC ID 2961305651, 168 clinicians

Practice addresses (Care Compare)

1011 N China Lake Blvd
Ridgecrest, CA 93555-3130
Phone (760) 446-6404

1041 N China Lake Blvd
Ridgecrest, CA 93555-3168
Phone (760) 446-8692

1081 N China Lake Blvd
Ridgecrest, CA 93555-3130
Phone (760) 499-3899

28078 Baxter Rd
Suite 530
Murrieta, CA 92563-1405
Phone 9515665229125

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy73
Upper gastrointestinal (GI) endoscopy for acid reflux55

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A185481CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ridgecrest Regional Hospital Current Accepting new patients
United Medical Doctors Gastroenterology CurrentSince Jan 21, 2026 Accepting new patients
Enloe Medical Center CurrentSince Jul 31, 2023 Accepting new patients
Ridgecrest Regional Hospital Gastroenterology CurrentSince Dec 1, 2024 Accepting new patients
Ridgecrest Regional Hospital CurrentSince Dec 1, 2024 Accepting new patients
Enloe Medical Center Gastroenterology CurrentSince Dec 23, 2023 Accepting new patients
Enloe Medical Center CurrentSince Jul 31, 2023 Accepting new patients
Enloe Medical Center Current Accepting new patients
Enloe Medical Center Current Accepting new patients
United Medical Doctors CurrentSince Jan 21, 2026 Accepting new patients
Universal Healthcare Ipa, Inc. Past Accepting new patients

Locations

380 W Central Ave
Ste 310
Brea, CA 92821
Phone (657) 286-2670

111 Raley Blvd
Ste 100
Chico, CA 95928
Phone (530) 332-3986

1390 E Lassen Ave
Chico, CA 95973
Phone (530) 332-6332

888 Lakeside Vlg Cmns
Chico, CA 95928
Phone (530) 332-6800

12442 Limonite Ave
Unit 209
Eastvale, CA 91752
Phone (951) 332-7170

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

35100 Makena Ave
Ste 102
Murrieta, CA 92563
Phone (951) 574-6626

1140 W La Veta Ave
Ste 555
Orange, CA 92868
Phone (714) 835-3636

1081 N China Lake Blvd
Ridgecrest, CA 93555
Phone (760) 446-0616

1111 N China Lake Blvd
Ridgecrest, CA 93555
Phone (760) 446-4571

1041 N China Lake Blvd
Ridgecrest, CA 93555
Phone (760) 446-0121

6958 Brockton Ave
Ste 203
Riverside, CA 92506
Phone (714) 835-5100

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: james.hwang@hca3.eclinicaldirectplus.com

Organizations & group practices 11

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 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": "1491177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762214400000",
    "number": "1659803146",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1041 N CHINA LAKE BLVD",
            "city": "RIDGECREST",
            "state": "CA",
            "postal_code": "935553168",
            "telephone_number": "760-446-0121"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1041 N CHINA LAKE BLVD",
            "city": "RIDGECREST",
            "state": "CA",
            "postal_code": "935553168",
            "telephone_number": "760-446-0121"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HWANG",
        "first_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-03",
        "last_updated": "2025-11-04",
        "certification_date": "2025-11-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A185481",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ridgecrest, CA

Sources for this page

Verify at the official NPI Registry.