David B Greenstein, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

032574 Issued in GA

Practice address

20 Glenlake Pkwy
Department of Gastroenterology
Atlanta, GA 30328-3473

Phone

(770) 677-6247

Fax

(770) 677-7343

NPI assigned

Aug 24, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in GA

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

Specialty

GastroenterologyAlso: Internal Medicine

Education

Johns Hopkins University School of Medicine, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Newco Gi LLCGroup PAC ID 6204136583, 7 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Newco Gi LLC

  • Gastroenterology Physician
  • Cumming, GA
  • NPI 1073999066
  Medicare reassignment Care Compare group NPD
• Emory Specialty Associates, LLC

  • Anesthesiology Physician
  • Lagrange, GA
  • NPI 1407864168
  Medicare reassignment NPD
• Gi North Endoscopy.LLC

  • Ambulatory Surgical Clinic/Center
  • Cumming, GA
  • NPI 1326555491
  Medicare reassignment NPD
• The Southeast Permanente Medical Group

  • Internal Medicine Physician
  • Atlanta, GA
  • NPI 1245266956
  Medicare reassignment
• Gi North PC

  • Gastroenterology Physician
  • Cumming, GA
  • NPI 1750689964
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1156377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743033600000",
    "number": "1235246281",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4975 RIVERLAKE DR",
            "city": "PEACHTREE CORNERS",
            "state": "GA",
            "postal_code": "300972326",
            "telephone_number": "404-314-1213"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 GLENLAKE PKWY",
            "address_2": "DEPARTMENT OF GASTROENTEROLOGY",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303283473",
            "telephone_number": "770-677-6247",
            "fax_number": "770-677-7343"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENSTEIN",
        "first_name": "DAVID",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-24",
        "last_updated": "2025-03-27",
        "certification_date": "2025-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "GA",
            "license": "032574",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodgam/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "3650 Steve Reynolds Blvd",
            "city": "Duluth",
            "state": "GA",
            "country_code": "US",
            "postal_code": "300964506",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Sonja Kelly Greenfield, CPNP-PC/AC
• David Greenky, MD
• Greenlee Behavioral Health Services
• Samantha Alana Greenseid, DO
• Joel R Greenspan, M.D.
• Marc A Greenstein, DO
• Tracy Greenstein, RD
• Ian B Greenwald, MD
• Lloyd V Greenwald, MD
• Michael Greenwald, MD

• Gastroenterology Physician in Atlanta, GA
• Providers in Atlanta, GA by specialty
• Gastroenterology Physician in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 2025; 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.

Verify at the official NPI Registry.