NPIMap

Individual provider Active NPI

James A Underwood

  • Gastroenterology Physician
  • Flowood, MS
National Provider Identifier
1447240494
Registry record updated Sep 21, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
15562 Issued in MS
Practice address
2510 Lakeland Dr
Flowood, MS 39232-9513
Phone
(601) 355-1234
Fax
(601) 326-3559
NPI assigned
Oct 21, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 21, 2017

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 15562 MS Primary

Addresses

Primary practice location

2510 Lakeland Dr
Flowood, MS 39232-9513

Mailing address

2510 Lakeland Dr
Flowood, MS 39232-9513
Phone (601) 355-1234

Other identifiers 1

IdentifierTypeStateIssuer
00123762MedicaidMS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MS, MT2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20100818000370 MS Practitioner - Gastroenterology 5799781357 Reassigns benefits to 2 organizations
I20250506002013 MT Practitioner - Gastroenterology 5799781357 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St. Dominic Medical Associates LLCGroup PAC ID 0446303168, 130 clinicians
Gastrointestinal Associates PAGroup PAC ID 5294795241, 45 clinicians
Billings ClinicGroup PAC ID 6002993516, 814 clinicians

Practice addresses (Care Compare)

106 Highland Way
Madison, MS 39110-6933

2510 Lakeland Dr
Flowood, MS 39232-9513
Phone 6013551234562

801 N 29TH St
Billings, MT 59101-0905
Phone (406) 238-2500

969 Lakeland Dr
Jackson, MS 39216-4606
Phone (601) 200-3100

Hospital & facility affiliations

  • S E Lackey Memorial Hospital Hospital, Forest, MS, CCN 251300
  • Billings Clinic Hospital Hospital, Billings, MT, CCN 270004
  • St Dominic-Jackson Memorial Hospital Hospital, Jackson, MS, CCN 250048
  • Merit Health River Oaks Hospital, Flowood, MS, CCN 250138

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy264
Upper gastrointestinal (GI) endoscopy for acid reflux315

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
15562MSMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Billings Clinic Gastroenterology CurrentSince Apr 17, 2025 Accepting new patients
St. Dominic Medical Associates LLC Current Accepting new patients
Billings Clinic Current Accepting new patients
St Dominic Medical Associates LLC CurrentSince Apr 1, 2023 Accepting new patients
Gastrointestinal Associates, PA CurrentSince Jul 9, 2001 Accepting new patients
Gastrointestinal Associates, P.a. Gastroenterology CurrentSince Jul 9, 2001 Accepting new patients
Billings Clinic CurrentSince Apr 17, 2025 Accepting new patients
St Dominic Medical Associates LLC CurrentSince Apr 1, 2023 Accepting new patients
Billings Clinic Past Accepting new patients

Locations

2510 Lakeland Dr
Flowood, MS 39232
Phone (601) 355-1234

1421 N State St
Ste 203
Jackson, MS 39202
Phone (601) 355-1234

106 Highland Way
Ste 101
Madison, MS 39110
Phone (601) 355-1234

106 Highland Way
Ste 202
Madison, MS 39110
Phone (601) 200-3376

2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290

801 N 29th St
Billings, MT 59101
Phone (406) 238-2210

Interoperability endpoints

  • Direct secure messaging: giajunderwood@directaddress.net
  • Direct secure messaging: junderwood219359@ummc.direct-ci.com

Organizations & group practices 9

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 11

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": "1129852800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1505952000000",
    "number": "1447240494",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2510 LAKELAND DR",
            "city": "FLOWOOD",
            "state": "MS",
            "postal_code": "392329513",
            "telephone_number": "601-355-1234",
            "fax_number": "601-326-3559"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2510 LAKELAND DR",
            "city": "FLOWOOD",
            "state": "MS",
            "postal_code": "392329513",
            "telephone_number": "601-355-1234",
            "fax_number": "601-326-3559"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "UNDERWOOD",
        "first_name": "JAMES",
        "middle_name": "A",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-21",
        "last_updated": "2017-09-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MS",
            "license": "15562",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00123762",
            "state": "MS"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Flowood, MS

Sources for this page

Verify at the official NPI Registry.