Rebecca Susan Zweifler, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

311606 Issued in NY

Practice address

500 W 181St St
New York, NY 10033

Phone

(212) 396-1174

NPI assigned

Mar 26, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

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

Internal Medicine

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Morristown Medical Center Hospital, Morristown, NJ, CCN 310015
• Lenox Hill Hospital Hospital, New York, NY, CCN 330119
• Overlook Medical Center Hospital, Summit, NJ, CCN 310051

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

Practice roles

Locations

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
  Medicare reassignment Care Compare group NPD
• North Shore Hematology Oncology Associates PC

  • Specialist
  • Port Jefferson Station, NY
  • NPI 1396794574
  Medicare reassignment NPD
• North Shore - Lij Medical PC

  • Internal Medicine Physician
  • New Hyde Park, NY
  • NPI 1790043479
  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
• Ahs Hospital Corp.

  • General Acute Care Hospital
  • Morristown, NJ
  • NPI 1053384776
  Care Compare affiliation
• Ahs Hospital Corp.

  • General Acute Care Hospital
  • Summit, NJ
  • NPI 1740254143
  Care Compare affiliation

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

{
    "created_epoch": "1553558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1295296960",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 RESEARCH RD",
            "city": "RIDGE",
            "state": "NY",
            "postal_code": "119612701",
            "telephone_number": "631-751-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 W 181ST ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10033",
            "telephone_number": "212-396-1174"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZWEIFLER",
        "first_name": "REBECCA",
        "middle_name": "SUSAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-26",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "311606",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Zweifach
• Marlee Zweifach, M.S., R.D., C.D.E.,
• Philip Zweifach, M.D.
• Iris Audrey Zweifler
• Michelle J Zweifler
• Alexandra Zweig
• Jessica Zweig, LCSW
• Lior Zweig, MD
• Rene D Zweig, PH.D.
• Susan Zweig, MD

• Hematology & Oncology Physician in New York, NY
• Providers in New York, NY by specialty
• Hematology & Oncology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 3, 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.