Individual provider Active NPI

Khiem Nguyen, MD

  • Gastroenterology Physician
  • Du Bois, PA
National Provider Identifier
1316922511
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
ME101782 Issued in FL
Practice address
621 S Main St
Du Bois, PA 15801-1413
Phone
(814) 371-0600
Fax
(814) 372-4764
NPI assigned
Dec 9, 2005
Last updated
Jan 14, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X ME101782 FL Primary
Gastroenterology Physician 207RG0100X MD068281L PA

Addresses

Primary practice location

621 S Main St
Du Bois, PA 15801-1413

Mailing address

Cell and Virus Building
Suite 530
Buffalo, NY 14263-0001
Phone (716) 845-3510

Other practice location 1

Elm and Carlton St
Buffalo, NY 14263-0001
Phone (716) 845-2300

Other practice location 2

720 W Mahoning St Ste 300
Punxsutawney, PA 15767-1351
Phone (724) 357-8087

Other practice location 3

25 Colony Blvd
Blairsville, PA 15717-7971
Phone (724) 459-1790

Other practice location 4

841 Hospital Rd Ste 3200
Indiana, PA 15701-3635
Phone (724) 463-1414

Other identifiers 1

IdentifierTypeStateIssuer
000347800MedicaidFL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, NY, GA3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20060905000360 PA Practitioner - Gastroenterology 7810991866 Reassigns benefits to 2 organizations
I20230815001092 NY Practitioner - GastroenterologyPractitioner - Internal Medicine 7810991866 Reassigns benefits to 2 organizations
I20250414000703 GA Practitioner - Gastroenterology 7810991866 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Eclectic Medical College, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Roswell Park Cancer InstituteGroup PAC ID 3577475110, 487 clinicians

Practice addresses (Care Compare)

841 Hospital Rd
Suite 3200
Indiana, PA 15701-3620
Phone (724) 463-1414

Elm and Carlton St
Buffalo, NY 14263-0001
Phone (716) 845-2300

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
96.6 of 100Reported as group
Promoting interoperability
96
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
91.71 of 100Reported as group
Quality
85.42
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy21
Upper gastrointestinal (GI) endoscopy for acid reflux63

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
FLH Medical, PC Gastroenterology CurrentSince Jun 24, 2023 Accepting new patients
FLH Medical, PC CurrentSince Jun 24, 2023 Accepting new patients
Dubois Regional Medical Center CurrentSince Aug 23, 2024 Accepting new patients
Cooperative Healthcare Services Inc Gastroenterology CurrentSince Feb 1, 2025 Accepting new patients
Indiana Healthcare Physician Services Inc CurrentSince Feb 1, 2026 Accepting new patients
Roswell Park Cancer Institute CurrentSince Aug 4, 2025 Accepting new patients
Irmc Urgicare at Indiana CurrentSince Feb 1, 2026 Accepting new patients
Dubois Regional Medical Center Gastroenterology CurrentSince Aug 23, 2024 Accepting new patients
Roswell Park Cancer Institute CurrentSince Aug 4, 2025 Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients

Locations

2415 Parkwood Dr
Brunswick, GA 31520
Phone (912) 466-4079

2500 Starling St
Ste 506
Brunswick, GA 31520
Phone (912) 264-9670

8000 Box
Buffalo, NY 14267
Phone (716) 213-0772

Dept 8000
Buffalo, NY 14267

Elm and Carlton St
Buffalo, NY 14263

141 Central Ave
Keuka Park, NY 14478
Phone (315) 279-5000

28 Cayuga St
Seneca Falls, NY 13148
Phone (315) 568-4415

25 Colony Blvd
Blairsville, PA 15717
Phone (724) 388-3814

100 Hospital Ave
Dubois, PA 15801
Phone (814) 375-2040

621 S Main St
Dubois, PA 15801
Phone (814) 299-7520

640 Kolter Dr
Indiana, PA 15701
Phone (724) 357-7196

841 Hospital Rd
Ste 3200
Indiana, PA 15701
Phone (724) 463-1414

879 Hospital Rd
Indiana, PA 15701
Phone (724) 349-3031

720 W Mahoning St
Ste 300
Punxsutawney, PA 15767
Phone (724) 357-8087

Interoperability endpoints

  • Direct secure messaging: k.nguyen@flhmedical.medentdirect.com
  • Direct secure messaging: knguyen26540@direct.xtensys.com

Organizations & group practices 10

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 5

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": "1134086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1316922511",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "CELL AND VIRUS BUILDING",
            "address_2": "SUITE 530",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142630001",
            "telephone_number": "716-845-3510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 S MAIN ST",
            "city": "DU BOIS",
            "state": "PA",
            "postal_code": "158011413",
            "telephone_number": "814-371-0600",
            "fax_number": "814-372-4764"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Elm and Carlton St",
            "address_purpose": "LOCATION",
            "city": "Buffalo",
            "state": "NY",
            "postal_code": "142630001",
            "country_code": "US",
            "telephone_number": "716-845-2300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "720 W Mahoning St Ste 300",
            "address_purpose": "LOCATION",
            "city": "Punxsutawney",
            "state": "PA",
            "postal_code": "157671351",
            "country_code": "US",
            "telephone_number": "724-357-8087",
            "fax_number": "814-246-5247",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 Colony Blvd",
            "address_purpose": "LOCATION",
            "city": "Blairsville",
            "state": "PA",
            "postal_code": "157177971",
            "country_code": "US",
            "telephone_number": "724-459-1790",
            "fax_number": "724-723-8090",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "841 Hospital Rd Ste 3200",
            "address_purpose": "LOCATION",
            "city": "Indiana",
            "state": "PA",
            "postal_code": "157013635",
            "country_code": "US",
            "telephone_number": "724-463-1414",
            "fax_number": "724-463-1541",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "KHIEM",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-12-09",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "FL",
            "license": "ME101782",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "PA",
            "license": "MD068281L",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "000347800",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Du Bois, PA

Sources for this page

Verify at the official NPI Registry.