Active NPI
Douglas Long Nguyen, MD
- Gastroenterology Physician
- Mission Viejo, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- A113814
- Practice address
- 27799 Medical Center Rd Ste 310
Mission Viejo, CA 92691-6400 - Phone
- (949) 364-5090
- NPI assigned
- Jul 30, 2008
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A113814 | CA | |
| Gastroenterology Physician | 207RG0100X | A113814 | CA | Primary |
Addresses
Primary practice location
27799 Medical Center Rd Ste 310
Mission Viejo, CA 92691-6400
Mailing address
27799 Medical Center Rd Ste 310
Mission Viejo, CA 92691-6400
Phone (949) 364-5090
Other practice location 1
11234 Anderson St # Mc-1516
Loma Linda, CA 92354-2804
Phone (909) 558-4905
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| ENROLLED | Medicaid | MN |
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- Cincinnati College of Medicine and Surgery, 2008
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1950 Sunny Crest Dr
Suite 2900
Fullerton, CA 92835-3641
Phone (714) 992-5350
27700 Medical Ctr Rd
Mission Viejo, CA 92691-6426
Phone (949) 364-1400
27799 Medical Ctr Rd
Mission Viejo, CA 92691-6400
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 49 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 79 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| Sac Health System | Current | Accepting new patients | |
| Sac Health System | Current | Accepting new patients | |
| Providence Medical Foundation | Current | Accepting new patients | |
| Providence Medical Foundation | Current | Accepting new patients | |
| Sac Health System | Current | Accepting new patients | |
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| UC Regents | Internal Medicine | Past | Accepting new patients |
| Loma Linda University Medical Center | Past | Accepting new patients | |
| Loma Linda University Children's Hospital | Past | Accepting new patients | |
| Trinidad Area Health Association | Internal Medicine | Past | Accepting new patients |
| Bristol Park Medical Group, Inc | Internal Medicine | Past | Accepting new patients |
| Mission Hospital Regional Medical Center | Past | Accepting new patients | |
| Providence Medical Foundation | Past | Accepting new patients | |
| Mayo Clinic | Past | Accepting new patients | |
| University of California Irvine | Past | Accepting new patients | |
| East Morgan County Hospital | Past | Accepting new patients | |
| Riverside Healthcare System, L.P. | Past | Accepting new patients |
Locations
1950 Sunny Crest Dr
Ste 2900
Fullerton, CA 92835
100 E Valencia Mesa Dr
Ste 105
Fullerton, CA 92835
Phone (714) 446-5200
File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300
27799 Medical Center Rd
Ste 310
Mission Viejo, CA 92691
Phone (949) 364-5090
1455 3rd Ave
Sn Bernrdno, CA 92408
Phone (909) 382-7146
901 San Bernardino Rd
Ste 104
Upland, CA 91786
Phone (909) 542-2779
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 18
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.
-
- Family Medicine Physician
- Brea, CA
- NPI 1871607762
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Apple Valley, CA
- NPI 1205009917
-
dba SAC Arrowhead
- Federally Qualified Health Center (FQHC)
- San Bernardino, CA
- NPI 1013935923
-
- Pediatric Surgery Physician
- Upland, CA
- NPI 1861892705
-
- General Practice Physician
- Diamond Bar, CA
- NPI 1285890624
-
- Family Medicine Physician
- Anaheim, CA
- NPI 1639715709
-
- Federally Qualified Health Center (FQHC)
- San Bernardino, CA
- NPI 1467274126
-
dba Sac San Bernardino Campus
- Federally Qualified Health Center (FQHC)
- San Bernardino, CA
- NPI 1801270137
-
- Family Medicine Physician
- Costa Mesa, CA
- NPI 1043266760
Internal Medicine
-
- Children's Hospital
- Loma Linda, CA
- NPI 1366866345
-
- General Acute Care Hospital
- Loma Linda, CA
- NPI 1194731935
-
dba Providence Mission Hospital
- Rehabilitation Hospital
- Mission Viejo, CA
- NPI 1003956913
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Providence Mission Hospital
- General Acute Care Hospital
- Mission Viejo, CA
- NPI 1912108002
-
dba Mission Hospital
- General Acute Care Hospital
- Mission Viejo, CA
- NPI 1992752315
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1217376000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1652313600000",
"number": "1184880114",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "27799 MEDICAL CENTER RD STE 310",
"city": "MISSION VIEJO",
"state": "CA",
"postal_code": "926916400",
"telephone_number": "949-364-5090"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "27799 MEDICAL CENTER RD STE 310",
"city": "MISSION VIEJO",
"state": "CA",
"postal_code": "926916400",
"telephone_number": "949-364-5090"
}
],
"practiceLocations": [
{
"address_1": "11234 Anderson St # Mc-1516",
"address_purpose": "LOCATION",
"city": "Loma Linda",
"state": "CA",
"postal_code": "923542804",
"country_code": "US",
"telephone_number": "909-558-4905",
"fax_number": "909-558-4028",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NGUYEN",
"first_name": "DOUGLAS",
"middle_name": "LONG",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-07-30",
"last_updated": "2022-05-12",
"certification_date": "2022-05-12",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A113814",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CA",
"license": "A113814",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "ENROLLED",
"state": "MN"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Mission Viejo, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 2022; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.