Geoffrey Riches Grambau, M.D.

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

GG035172 Issued in MI

Practice address

601 John St
Suite M-401
Kalamazoo, MI 49007-5342

Phone

(269) 388-5864

Fax

(269) 388-5211

NPI assigned

Sep 12, 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

Other identifiers 11

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MI

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: direct@direct.bronsonhg.org
• Direct secure messaging: ggrambau10499@direct.bronsonhg.org

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.

• Bronson Methodist Hospital

  • Hospitalist Physician
  • Kalamazoo, MI
  • NPI 1417961137

  Pulmonary Disease

  Medicare reassignment NPD

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

{
    "created_epoch": "1158019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701043200000",
    "number": "1144324633",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 JOHN ST",
            "address_2": "SUITE M401",
            "city": "KALAMAZOO",
            "state": "MI",
            "postal_code": "490075341",
            "telephone_number": "269-388-5864",
            "fax_number": "269-388-5211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 JOHN ST",
            "address_2": "SUITE M-401",
            "city": "KALAMAZOO",
            "state": "MI",
            "postal_code": "490075342",
            "telephone_number": "269-388-5864",
            "fax_number": "269-388-5211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRAMBAU",
        "first_name": "GEOFFREY",
        "middle_name": "RICHES",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-12",
        "last_updated": "2023-11-27",
        "certification_date": "2020-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MI",
            "license": "GG035172",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1386427",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHP",
            "identifier": "4809117",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC/BS OF MICHIGAN",
            "identifier": "290C96034",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS GRP PIN",
            "identifier": "290C913410",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "290009377",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS IND PIN",
            "identifier": "290394238",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4379439",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHP",
            "identifier": "4830052",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUECARE NETWORK",
            "identifier": "P64591",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GRT LKS HLTH PLAN",
            "identifier": "114393",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "COMMUNITY CHOICE OF MICH",
            "identifier": "382356205107",
            "state": "MI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@direct.bronsonhg.org",
            "affiliation": "Y",
            "endpointDescription": "Bronson Healthcare Group Direct address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Continuity of Care Document",
            "address_1": "601 John St",
            "city": "Kalamazoo",
            "state": "MI",
            "country_code": "US",
            "postal_code": "490075341",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Angela Elaine Graham-Williams, LPC
• Blair Colleen Graham, DO
• Kristen Graham, PA-C
• Marjorie Graham
• Sarah Graham
• Jasmine Granados
• Grand Blanc Opthalmology
• Philip Richard Granish, LLP
• Patrick Grant, MSW
• Ronald Bruce Grant, M.A.

• Pulmonary Disease Physician in Kalamazoo, MI
• Providers in Kalamazoo, MI by specialty
• Pulmonary Disease Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 27, 2023; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.