NPIMap

Individual provider Active NPI

Marcelo Guillmero Gareca, MD

  • Infectious Disease Physician
  • Cortland, NY
National Provider Identifier
1346221959
Registry record updated Jun 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
326224 Issued in NY
Practice address
11 Alvena Ave
Cortland, NY 13045-1150
Phone
(607) 428-5701
NPI assigned
Nov 10, 2005
Last updated
Jun 3, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X MD065832L PA
Infectious Disease Physician 207RI0200X 326224 NY Primary

Addresses

Primary practice location

11 Alvena Ave
Cortland, NY 13045-1150

Mailing address

1 Guthrie SQ
Sayre, PA 18840-1625
Phone (570) 888-5858

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, NY2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20050620000871 PA Practitioner - Infectious DiseasePractitioner - Internal Medicine 7315982410 Reassigns benefits to 1 organization
I20240412003704 NY Practitioner - Infectious Disease 7315982410 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
Other, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Guthrie Medical Group PCGroup PAC ID 6002728656, 795 clinicians

Practice addresses (Care Compare)

130 Ctr Way
Corning, NY 14830-2255
Phone (607) 936-9971

134 Homer Ave
Cortland, NY 13045-1206
Phone (607) 756-3500

161 Riverside Dr
Binghamton, NY 13905-4176
Phone (607) 770-7074

169 Riveride Dr
Binghamton, NY 13905-4246
Phone (607) 798-5111

1780 Hanshaw Rd
Ithaca, NY 14850-9105
Phone (607) 257-5858

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.13 of 100Reported as group
Quality
77.56
Promoting interoperability
100
Improvement activities
40
Cost
76.02

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of nail tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
326224NYMDLicensed Practical Nurse
MD065832LPAMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Guthrie Medical Group, P.C. CurrentSince Feb 25, 2024 Accepting new patients
Guthrie Medical Group, P.C. Infectious Disease CurrentSince Feb 20, 2024 Accepting new patients
Guthrie Medical Group, P.C. CurrentSince Feb 20, 2024 Accepting new patients
Guthrie Medical Group, P.C. Current Accepting new patients
Guthrie Medical Group PC Past Accepting new patients

Locations

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

11 Alvena Ave
Cortland, NY 13045
Phone (607) 428-5701

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

Interoperability endpoints

  • Direct secure messaging: mgareca188484@direct-guthrie.org

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 5

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": "1131580800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1346221959",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 GUTHRIE SQ",
            "city": "SAYRE",
            "state": "PA",
            "postal_code": "188401625",
            "telephone_number": "570-888-5858"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11 ALVENA AVE",
            "city": "CORTLAND",
            "state": "NY",
            "postal_code": "130451150",
            "telephone_number": "607-428-5701"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GARECA",
        "first_name": "MARCELO",
        "middle_name": "GUILLMERO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-10",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "PA",
            "license": "MD065832L",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NY",
            "license": "326224",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cortland, NY

Sources for this page

Verify at the official NPI Registry.