Individual provider Active NPI

Giacomo Colver Waller, MD

  • Surgery Physician
  • Ny, NY
National Provider Identifier
1801391438
Registry record updated Jul 23, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
322610 Issued in NY
Practice address
19 E 98TH St, 7TH FL
Ste a, Box #1259
Ny, NY 10029-6574
Phone
(212) 241-0949
Fax
(212) 534-2654
NPI assigned
Mar 26, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 23, 2023

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 125.077143 IL
Student in an Organized Health Care Education/Training Program 390200000X 125.077143 IL
Student in an Organized Health Care Education/Training Program 390200000X GA
Surgery Physician 208600000X 322610 NY Primary

Addresses

Primary practice location

19 E 98TH St, 7TH FL
Ste a, Box #1259
Ny, NY 10029-6574

Mailing address

19 E 98TH St, 7TH FL
Ste a, Box #1259
Ny, NY 10029-6574
Phone (212) 241-0949

Other practice location 1

1364 Clifton Rd NE Ste H100
Atlanta, GA 30322-1059
Phone (404) 727-0093

Other practice location 2

2160 S 1st Ave Ste 2840
Maywood, IL 60153-3328
Phone (708) 216-4533

Other identifiers 2

IdentifierTypeStateIssuer
125.077143OtherILILLINOISE DFPR
322610OtherNYNEW YORK STATE EDUCATION DEPARTMENT OFFICE OF THE PROFESSIONS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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

Enrollment IDStateProvider typePAC IDDetails
I20250731001068 NY Practitioner - General Surgery 3375892656 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Emory University School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

7901 Broadway
Elmhurst, NY 11373-1329

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision1-10
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
322610NYMDLicensed Practical Nurse
125.077143ILMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Icahn School of Medicine at Mount Sinai Surgery CurrentSince May 9, 2025 Accepting new patients
Icahn School of Medicine at Mount Sinai Current Accepting new patients
Icahn School of Medicine at Mount Sinai CurrentSince May 9, 2025 Accepting new patients
New York City Health and Hospitals Corporation Past Accepting new patients
New York City Health and Hospitals Corporation Past Accepting new patients

Locations

7901 Broadway
Rm A119
Elmhurst, NY 11373
Phone (718) 334-3915

7901 Broadway
Flushing, NY 11373
Phone (718) 334-2156

Networks

  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H9678

Interoperability endpoints

  • Direct secure messaging: gwaller5234916@nychhc.direct-ci.com

Organizations & group practices 5

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 1

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": "1522022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1690070400000",
    "number": "1801391438",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19 E 98TH ST, 7TH FL",
            "address_2": "STE A, BOX #1259",
            "city": "NY",
            "state": "NY",
            "postal_code": "100296574",
            "telephone_number": "212-241-0949",
            "fax_number": "212-534-2654"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19 E 98TH ST, 7TH FL",
            "address_2": "STE A, BOX #1259",
            "city": "NY",
            "state": "NY",
            "postal_code": "100296574",
            "telephone_number": "212-241-0949",
            "fax_number": "212-534-2654"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1364 Clifton Rd NE Ste H100",
            "address_purpose": "LOCATION",
            "city": "Atlanta",
            "state": "GA",
            "postal_code": "303221059",
            "country_code": "US",
            "telephone_number": "404-727-0093",
            "fax_number": "404-712-0561",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2160 S 1st Ave Ste 2840",
            "address_purpose": "LOCATION",
            "city": "Maywood",
            "state": "IL",
            "postal_code": "601533328",
            "country_code": "US",
            "telephone_number": "708-216-4533",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALLER",
        "first_name": "GIACOMO",
        "middle_name": "COLVER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-26",
        "last_updated": "2023-07-23",
        "certification_date": "2023-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "IL",
            "license": "125.077143",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IL",
            "license": "125.077143",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "GA",
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NY",
            "license": "322610",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ILLINOISE DFPR",
            "identifier": "125.077143",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NEW YORK STATE EDUCATION DEPARTMENT OFFICE OF THE PROFESSIONS",
            "identifier": "322610",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Ny, NY

Sources for this page

Verify at the official NPI Registry.