Marc Lehrer Greenwald, MD

Primary specialty

Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X

License

166588 Issued in NY

Practice address

310 East Shore Road
Sute 203
Great Neck, NY 11023

Phone

(516) 482-8657

Fax

(516) 829-0002

NPI assigned

Oct 3, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

General SurgeryAlso: Colorectal Surgery (Proctology)

Education

Albert Einstein College of Medicine of Yeshiva University, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• North Shore Home Care Chha Home health agency, Westbury, NY, CCN 337148
• North Shore University Hospital Hospital, Manhasset, NY, CCN 330106

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: marcgreenwald@nslijmedgr.allscriptsdirect.net

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

  dba NHPP Cardiology at Great Neck

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572

  Colon & Rectal Surgery

  Medicare reassignment Care Compare group NPD
• North Shore Long Island Jewish Healthcare

  dba Northwell Healthcare Inc

  • Cardiovascular Disease Physician
  • Westbury, NY
  • NPI 1215019500

  Colon & Rectal Surgery

  Medicare reassignment NPD
• North Shore Long Island Jewish Health Care Inc

  • Internal Medicine Physician
  • New York, NY
  • NPI 1912338385
  NPD
• North Shore University Hospital

  • General Acute Care Hospital
  • Manhasset, NY
  • NPI 1366459570
  NPD (past)

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

• North Shore University Hospital

  • General Acute Care Hospital
  • Manhasset, NY
  • NPI 1366459570
  Care Compare affiliation
• North Shore University Hospital

  • Home Health Agency
  • Manhasset, NY
  • NPI 1417965278
  Care Compare affiliation
• North Shore University Hospital

  • Home Health Agency
  • Westbury, NY
  • NPI 1861464471
  Care Compare affiliation

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

{
    "created_epoch": "1159833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1174618557",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "310 EAST SHORE ROAD",
            "address_2": "SUTE 203",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "11023",
            "telephone_number": "516-482-8657",
            "fax_number": "516-829-0002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "310 EAST SHORE ROAD",
            "address_2": "SUTE 203",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "11023",
            "telephone_number": "516-482-8657",
            "fax_number": "516-829-0002"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENWALD",
        "first_name": "MARC",
        "middle_name": "LEHRER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-03",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NY",
            "license": "166588",
            "primary": false
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "NY",
            "license": "166588",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Burt M Greenberg, MD
• Joan Petralia Greenberg, LCSW
• Jill Greene
• Greenery Physical Therapy, P.C.
• Lisa Dawn Greenfield
• Christina Gregoriou, OTR/L
• Lance I Greiff, DPM
• Gwen R. Grenard, LCSW-R
• Samantha M Grey
• Anna Gribetz, LCSW

• Colon & Rectal Surgery Physician in Great Neck, NY
• Providers in Great Neck, NY by specialty
• Colon & Rectal Surgery Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.