Individual provider Active NPI

Gretchen Nicole Anderson, D.O.

  • Gastroenterology Physician
  • Austell, GA
National Provider Identifier
1811286297
Registry record updated Mar 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
76269 Issued in GA
Practice address
3825 Medical Park Dr Ste 100
Austell, GA 30106-6831
Phone
(470) 267-1760
NPI assigned
Apr 6, 2011
Last updated
Mar 27, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 27, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 5101018961 MI
Gastroenterology Physician 207RG0100X 34.015547 OH
Gastroenterology Physician 207RG0100X 075910 GA
Gastroenterology Physician 207RG0100X 76269 GA Primary

Addresses

Primary practice location

3825 Medical Park Dr Ste 100
Austell, GA 30106-6831

Mailing address

500 W 3Rd Ave Ste 101
Albany, GA 31701-1900
Phone (229) 312-5800

Other practice location 1

10600 Montgomery Rd
Montgomery, OH 45242-4463
Phone (513) 794-5600

Other practice location 2

28050 Grand River Ave
Farmington Hills, MI 48336-5919
Phone (248) 471-8000

Other identifiers 1

IdentifierTypeStateIssuer
5315046810OtherMICONTROLLE SUBSTANCE LICENSE

Other names 1

  • Dr. Gretchen Nicole Allison Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ganderson584279@directwellstar.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA, OH2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20160801001693 GA Practitioner - GastroenterologyPractitioner - Internal Medicine 2961795703 Reassigns benefits to 5 organizations
I20220127002098 OH Practitioner - Gastroenterology 2961795703 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Phoebe Physician Group IncGroup PAC ID 8426112350, 420 clinicians
South Georgia Medical Center IncGroup PAC ID 1052764677, 58 clinicians
Piedmont Specialty Hospital Billing LLCGroup PAC ID 4183986490, 252 clinicians

Practice addresses (Care Compare)

151 Mayo St
Suite B
Americus, GA 31709-4782
Phone (229) 928-2900

151 Mayo St a
Americus, GA 31709-4782
Phone (229) 312-5800

151 Mayo St C
Americus, GA 31709-4782
Phone (229) 928-2882

151 Mayo St D
Americus, GA 31709-4782
Phone (229) 928-1100

151 Mayo St E
Americus, GA 31709-4782
Phone (229) 931-1159

2501 N Patterson St
Valdosta, GA 31602-1735
Phone (229) 259-4291

350 Hospital Dr
Macon, GA 31217-3838
Phone (478) 765-7000

417 W 3Rd Ave
Albany, GA 31701-1943
Phone (229) 312-5222

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy32
Upper gastrointestinal (GI) endoscopy for acid reflux54

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
5101018961MIMDInternal Medicine Physician
075910GAMDGastroenterology Physician
76269GAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hospital Authority of Valdosta and Lowndes County Georgia Current Accepting new patients
South Georgia Medical Center Inc Current Accepting new patients
South Georgia Medical Center Inc CurrentSince Jun 1, 2024 Accepting new patients
Wellstar Medical Group, LLC CurrentSince Sep 1, 2024 Accepting new patients
Hospital Authority of Valdosta and Lowndes County Georgia CurrentSince Feb 1, 2023 Accepting new patients
Phoebe Physician Group, Inc CurrentSince Jul 1, 2016 Accepting new patients
Hospital Authority of Valdosta and Lowndes County, Georgia CurrentSince Feb 1, 2023 Accepting new patients
Wellstar Medical Group, LLC Current Accepting new patients
South Georgia Medical Center Inc CurrentSince Jun 1, 2024 Accepting new patients
Piedmont Specialty Hospital Billing LLC Internal Medicine CurrentSince Aug 19, 2024 Accepting new patients
Phoebe Dorminy OB/GYN Associates CurrentSince Jul 1, 2016 Accepting new patients
Trihealth H LLC Gastroenterology CurrentSince Jan 18, 2022 Accepting new patients

Locations

2002 Palmyra Rd
Ste 201
Albany, GA 31701
Phone (229) 312-5802

500 W 3rd Ave
Ste 101
Albany, GA 31701
Phone (229) 312-5802

151 Mayo St
Ste B
Americus, GA 31709
Phone (229) 928-2900

3825 Medical Park Dr
Ste 100
Austell, GA 30106
Phone (470) 267-1760

5150 Stilesboro Rd NW
Ste 220
Kennesaw, GA 30152
Phone (770) 424-8222

350 Hospital Dr
Macon, GA 31217
Phone (478) 751-0367

1133 Eagles Landing Pkwy
Stockbridge, GA 30281
Phone (678) 604-1000

2501 N Patterson St
Valdosta, GA 31602
Phone (229) 259-4139

375 Dixmyth Ave
Ste 3135
Cincinnati, OH 45220
Phone (513) 862-3452

4685 Forest Ave
Cincinnati, OH 45212
Phone (513) 853-4721

10500 Montgomery Rd
Montgomery, OH 45242
Phone (513) 557-3206

10600 Montgomery Rd
Montgomery, OH 45242
Phone (513) 236-2697

Interoperability endpoints

  • Direct secure messaging: ganderson360553@direct.hfhs.org
  • Direct secure messaging: ganderson584279@directwellstar.org
  • Direct secure messaging: gretchen.anderson.1@8478.direct.athenahealth.com

Organizations & group practices 12

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 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": "1302048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743033600000",
    "number": "1811286297",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 W 3RD AVE STE 101",
            "city": "ALBANY",
            "state": "GA",
            "postal_code": "317011900",
            "telephone_number": "229-312-5800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3825 MEDICAL PARK DR STE 100",
            "city": "AUSTELL",
            "state": "GA",
            "postal_code": "301066831",
            "telephone_number": "470-267-1760"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10600 Montgomery Rd",
            "address_purpose": "LOCATION",
            "city": "Montgomery",
            "state": "OH",
            "postal_code": "452424463",
            "country_code": "US",
            "telephone_number": "513-794-5600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "28050 Grand River Ave",
            "address_purpose": "LOCATION",
            "city": "Farmington Hills",
            "state": "MI",
            "postal_code": "483365919",
            "country_code": "US",
            "telephone_number": "248-471-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ANDERSON",
        "first_name": "GRETCHEN",
        "middle_name": "NICOLE",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-04-06",
        "last_updated": "2025-03-27",
        "certification_date": "2025-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "5101018961",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OH",
            "license": "34.015547",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "GA",
            "license": "075910",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "GA",
            "license": "76269",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CONTROLLE SUBSTANCE LICENSE",
            "identifier": "5315046810",
            "state": "MI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ganderson584279@directwellstar.org",
            "affiliation": "N",
            "address_1": "3825 Medical Park Dr Ste 100",
            "city": "Austell",
            "state": "GA",
            "country_code": "US",
            "postal_code": "301066831",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "GRETCHEN",
            "last_name": "ALLISON",
            "middle_name": "NICOLE",
            "prefix": "DR.",
            "credential": "D.O.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Austell, GA

Sources for this page

Verify at the official NPI Registry.