Individual provider Active NPI

Adam Robert Riordan

  • Gastroenterology Physician
  • Ithaca, NY
National Provider Identifier
1508126988
Registry record updated Jul 11, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
293512 Issued in NY
Practice address
2435 N Triphammer Rd
Ithaca, NY 14850
Phone
(607) 272-5011
NPI assigned
May 20, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 11, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 293512 NY Primary

Addresses

Primary practice location

2435 N Triphammer Rd
Ithaca, NY 14850

Mailing address

2435 N Triphammer Rd
Ithaca, NY 14850-1047
Phone (607) 272-5011

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
I20180621001281 NY Practitioner - Gastroenterology 6305154295 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
State University of New York at Buffalo School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Guthrie Medical Group PCGroup PAC ID 6002728656, 795 clinicians

Practice addresses (Care Compare)

720 Willow Ave
Ithaca, NY 14850-3215
Phone (607) 219-4600

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy152
Upper gastrointestinal (GI) endoscopy for acid reflux97

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
293512NYMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Guthrie Medical Group, P.C. Gastroenterology CurrentSince Mar 1, 2025 Accepting new patients
Gastroenterology Associates of Ithaca, PC Gastroenterology CurrentSince Jul 20, 2018 Accepting new patients
Guthrie Medical Group, P.C. CurrentSince Mar 1, 2025 Accepting new patients
Guthrie Medical Group PC Past Accepting new patients

Locations

130 Center Way
Corning, NY 14830
Phone (607) 936-9971

2435 N Triphammer Rd
Ithaca, NY 14850
Phone (607) 252-3620

720 Willow Ave
Ithaca, NY 14850
Phone (570) 887-3025

1 Guthrie Sq
Sayre, PA 18840
Phone (570) 887-3106

Interoperability endpoints

  • Direct secure messaging: ariordan221783@direct-guthrie.org

Organizations & group practices 4

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 2

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": "1337472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1531267200000",
    "number": "1508126988",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2435 N TRIPHAMMER RD",
            "city": "ITHACA",
            "state": "NY",
            "postal_code": "148501047",
            "telephone_number": "607-272-5011"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2435 N TRIPHAMMER RD",
            "city": "ITHACA",
            "state": "NY",
            "postal_code": "14850",
            "telephone_number": "607-272-5011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RIORDAN",
        "first_name": "ADAM",
        "middle_name": "ROBERT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-05-20",
        "last_updated": "2018-07-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "293512",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ithaca, NY

Sources for this page

Verify at the official NPI Registry.