Chamberlain I Obialo, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

038321 Issued in GA

Practice address

5550 Claire Rose LN
Sandy Springs, GA 30327-4829

Phone

(404) 228-2211

Fax

(404) 282-4627

NPI assigned

Jul 22, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 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

NephrologyAlso: Internal Medicine

Education

Other, 1979

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Emory University Hospital Midtown Hospital, Atlanta, GA, CCN 110078

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Miango Group LLC

  • Nephrology Physician
  • Sandy Springs, GA
  • NPI 1447922406
  Medicare reassignment NPD Authorized official
• Morehouse Healthcare, Inc.

  • Cardiovascular Disease Physician
  • Atlanta, GA
  • NPI 1801832324

  Internal Medicine

  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Crawford Long Hospital

  • General Acute Care Hospital
  • Atlanta, GA
  • NPI 1144203563
  Care Compare affiliation

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

{
    "created_epoch": "1121990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1881694529",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "228 SANDY SPRINGS PL STE D483",
            "city": "SANDY SPRINGS",
            "state": "GA",
            "postal_code": "303283812",
            "telephone_number": "404-228-2211",
            "fax_number": "404-282-4627"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5550 CLAIRE ROSE LN",
            "city": "SANDY SPRINGS",
            "state": "GA",
            "postal_code": "303274829",
            "telephone_number": "404-228-2211",
            "fax_number": "404-282-4627"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBIALO",
        "first_name": "CHAMBERLAIN",
        "middle_name": "I",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-22",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "038321",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "GA",
            "license": "038321",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00061874U",
            "state": "GA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Number Six LLC
• NW Dentistry and Specialties
• Robin Beatrice Nwankwo, RDN, CDCES
• Colin Woodward O'Brien, MD
• James Brendan O'Keefe, M.D.
• Occupational Health Centers of Georgia PC
• Kristen Oddi, BCBA
• Chassidy Oliver
• Christina Olson, NP
• Michael Oneil

• Nephrology Physician in Sandy Springs, GA
• Providers in Sandy Springs, GA by specialty
• Nephrology Physician in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 2026; 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.