Individual provider Active NPI

Guillem Gonzalez-Lomas, M.D.

  • Sports Medicine (Orthopaedic Surgery) Physician
  • New York, NY
National Provider Identifier
1457510844
Registry record updated May 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sports Medicine (Orthopaedic Surgery) PhysicianTaxonomy code 207XX0005X
License
267190 Issued in NY
Practice address
333 E 38TH St
New York, NY 10016-2772
Phone
(212) 598-6115
Fax
(212) 598-6727
NPI assigned
Jun 2, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 11, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X A102934 CA
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X 25MA08727600 NJ
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X 267190 NY Primary

Addresses

Primary practice location

333 E 38TH St
New York, NY 10016-2772

Mailing address

333 E 38TH St
New York, NY 10016-2772
Phone (212) 598-6115

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Bluemark LLC / Office Ally

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, NY2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20101130000090 NJ Practitioner - Orthopedic Surgery 1153451851 Reassigns benefits to 1 organization
I20130311000129 NY Practitioner - Orthopedic Surgery 1153451851 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Columbia University College of Physicians and Surgeons, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
New York UniversityGroup PAC ID 1355232422, shared by 41 NPIs, 5,925 clinicians

Practice addresses (Care Compare)

530 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

95 Madison Ave
Morristown, NJ 07960-6092
Phone (973) 538-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.8 of 100Reported as group
Quality
91.79
Promoting interoperability
100
Improvement activities
40
Cost
75.18

Procedures performed for Medicare patients

ProcedureNumber of procedures
Knee replacement1-10
Lower limb (leg) arthroscopy (minimally invasive joint repair)17
Upper limb (arm) arthroscopy (minimally invasive joint repair)41

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
267190NYMDSports Medicine (Orthopaedic Surgery) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
New York University CurrentSince Jan 1, 2013 Accepting new patients
New York University CurrentSince Jan 1, 2013 Accepting new patients
New York University CurrentSince Jan 1, 2013 Accepting new patients
New York University Current Accepting new patients

Locations

95 Madison Ave
Morristown, NJ 07960
Phone (973) 267-1010

201 Lyons Ave
Newark, NJ 07112
Phone (732) 923-7455

333 E 38th St
New York, NY 10016
Phone (646) 501-7070

530 1st Ave
New York, NY 10016
Phone (212) 263-7216

55 E 55th St
New York, NY 10022
Phone (212) 750-9095

14 Wall St
Fl 9
Wall Street, NY 10005
Phone (646) 501-3224

Interoperability endpoints

  • Direct secure messaging: ggonzalezlomas58899@nyumc.direct-ci.com
  • Direct secure messaging: ggonzalezlomas676126@nychhc.direct-ci.com

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 7

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": "1212364800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1457510844",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 E 38TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100162772",
            "telephone_number": "212-598-6115",
            "fax_number": "212-598-6727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 E 38TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100162772",
            "telephone_number": "212-598-6115",
            "fax_number": "212-598-6727"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GONZALEZ-LOMAS",
        "first_name": "GUILLEM",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-02",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "CA",
            "license": "A102934",
            "primary": false
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "NJ",
            "license": "25MA08727600",
            "primary": false
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "NY",
            "license": "267190",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.2019.3",
            "affiliationName": "Bluemark LLC / Office Ally",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "1300 SE Cardinal Ct Ste 190",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986839683",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.