Jay Diamond, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

35.130942 Issued in OH

Practice address

550 1St Ave
New York, NY 10016-6402

Phone

(404) 513-3880

Fax

(404) 513-3880

NPI assigned

May 1, 2012

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in OH, PA, NY, RI4 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 4

Specialty

Emergency Medicine

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Emergency Care Services of New England PCGroup PAC ID 9739487562, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lenox Hill Hospital Hospital, New York, NY, CCN 330119
• Mercy St Vincent Medical Center Hospital, Toledo, OH, CCN 360112
• Roger Williams Medical Center Hospital, Providence, RI, CCN 410004
• Our Lady of Fatima Hospital Hospital, North Providence, RI, CCN 410005

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 26)

Networks

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

Interoperability endpoints

• Direct secure messaging: jdiamond65133@northwell.direct-ci.com
• Direct secure messaging: jay.diamond.1@24265.direct.athenahealth.com

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.

• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Emergency Care Services of New England PC

  • Emergency Medicine Physician
  • North Providence, RI
  • NPI 1639537335
  Medicare reassignment Care Compare group NPD
• Emergency Physician Services of New York, P.C.

  • Emergency Medicine Physician
  • Poughkeepsie, NY
  • NPI 1093759847
  Medicare reassignment NPD
• Nyack Emergency Medical Association PLLC

  • Emergency Medicine Physician
  • Nyack, NY
  • NPI 1174627293
  Medicare reassignment NPD
• Physicians Medical Associates New York PC

  • Emergency Medicine Physician
  • Syracuse, NY
  • NPI 1073386421
  Medicare reassignment NPD
• Emergency Care Services of Pennsylvania, P.C.

  • Emergency Medicine Physician
  • Langhorne, PA
  • NPI 1114955010
  Medicare reassignment NPD
• Emergency Physician Associates of Pennsylvania, PC

  • Emergency Medicine Physician
  • Hanover, PA
  • NPI 1619990900
  Medicare reassignment NPD
• Emergency Professional Services, Inc.

  • Emergency Medicine Physician
  • Seaman, OH
  • NPI 1093762353
  Medicare reassignment NPD
• Mercy Emergency Care Services, Inc.

  • Emergency Medicine Physician
  • Toledo, OH
  • NPI 1477957819
  Medicare reassignment NPD
• New York University

  • Cardiovascular Disease Physician
  • Boynton Beach, FL
  • NPI 1285826438

  Emergency Medicine, NY

  Medicare reassignment NPD
• Ohio Emergency Professionals Inc

  • Emergency Medicine Physician
  • Columbus, OH
  • NPI 1982983425
  Medicare reassignment NPD
• Physicians Medical Associates New York PC

  • Emergency Medicine Physician
  • Poughkeepsie, NY
  • NPI 1487409702
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Lenox Hill Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1477616571
  Care Compare affiliation
• Mercy Health - St Vincent Medical Center LLC

  • General Acute Care Hospital
  • Toledo, OH
  • NPI 1467493551
  Care Compare affiliation
• Prospect Chartercare RWMC, LLC

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1013332014
  Care Compare affiliation
• Prospect Chartercare Sjhsri, LLC

  • General Acute Care Hospital
  • North Providence, RI
  • NPI 1871918870
  Care Compare affiliation

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

{
    "created_epoch": "1335830400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782691200000",
    "number": "1639437338",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-3293"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "404-513-3880",
            "fax_number": "404-513-3880"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 High Service Ave",
            "address_purpose": "LOCATION",
            "city": "North Providence",
            "state": "RI",
            "postal_code": "029045113",
            "country_code": "US",
            "telephone_number": "401-456-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "55 Claverick St",
            "address_2": "Suite 100",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029034144",
            "country_code": "US",
            "telephone_number": "202-877-8080",
            "fax_number": "202-877-7633",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "55 Claverick St",
            "address_2": "Suite 100",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029034144",
            "country_code": "US",
            "telephone_number": "202-877-8080",
            "fax_number": "202-877-7633",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAMOND",
        "first_name": "JAY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-05-01",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "RI",
            "license": "MD15777",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OH",
            "license": "35.130942",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "288404",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Diana Diamond, PH.D.
• Eli Louis Diamond, M.D.
• Greg R Diamond, DDS
• Hedy Marsha Diamond, LCSW
• Jason Brett Diamond, M.D., M.P.H.
• Jerry Albert Diamond II, DMD
• Jessica Ann Diamond
• Jonathan Diamond, D.P.T.
• Jonathan J Diamond, D.M.D.
• Julianna Leigh Diamond

• Emergency Medicine Physician in New York, NY
• Providers in New York, NY by specialty
• Emergency Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 2026; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.