Individual provider Active NPI

Debra L. Linzer, MD

  • Radiation Oncology Physician
  • Miami Beach, FL
National Provider Identifier
1851398945
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
ME0070869 Issued in FL
Practice address
4310 Alton Road
Miami Beach, FL 33140
Phone
(305) 535-3400
NPI assigned
Jul 5, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X ME0070869 FL Primary

Addresses

Primary practice location

4310 Alton Road
Miami Beach, FL 33140

Mailing address

4201 Casper CT
Hollywood, FL 33021-2411
Phone (954) 649-2301

Other identifiers 11

IdentifierTypeStateIssuer
250189900MedicaidFL
7299859OtherFLGHI PROVIDER NUMBER
1098818OtherFLFIRST HEALTH PROVIDER #
17915OtherFLTOTAL HLTHCH. PROVIDER #
4452999-002OtherFLCIGNA PROVIDER NUMBER
5768746OtherFLAETNA PROVIDER NUMBER
8892OtherFLDIMENSION PROVIDER NUMBER
31453OtherFLBCBS PROVIDER NUMBER
330727OtherFLUSA MNGD CR. PROVIDER #
162771OtherFLWELLCARE PROVIDER NUMBER
209194OtherFLAMERIGROUP PROVIDER NUM.

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL
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

Enrollment IDStateProvider typePAC IDDetails
I20051020000594 FL Practitioner - Radiation Oncology 1153347901 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Albert Einstein College of Medicine of Yeshiva University, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MSMC Oncology, LLCGroup PAC ID 0345497913, 4 clinicians

Practice addresses (Care Compare)

4300 Alton Rd
Miami, FL 33140-2948
Phone (305) 535-3400

Hospital & facility affiliations

  • Mount Sinai Medical Center of Florida, Inc Hospital, Miami Beach, FL, CCN 100034

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
91
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
ME0070869FLMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
MSMC Oncology, LLC CurrentSince Feb 27, 2017 Accepting new patients
University of Miami Radiation Oncology Past Accepting new patients
Oncology & Hematology Associates of West Broward, P.a. PastSince Jan 7, 2024 Accepting new patients
South Florida Oncology and Hematology Consultants LLC Past Accepting new patients
Physician Practices of MSMC, LLC Past Accepting new patients

Locations

4300 Alton Rd
Bldg 1ST
Miami Beach, FL 33140

4306 Alton Rd
Fl 3
Miami Beach, FL 33140
Phone (305) 535-3337

4300 Alton Rd
Miami Beach, FL 33140
Phone (305) 481-9776

Interoperability endpoints

  • FHIR API: https://epicfhir.msmc.com/proxysite-prd/api/FHIR/R4/
  • Direct secure messaging: dlinzer42570@direct.msmc.com

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 and National Provider Directory roles.

Hospital & facility affiliations 1

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": "1120521600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1851398945",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4201 CASPER CT",
            "city": "HOLLYWOOD",
            "state": "FL",
            "postal_code": "330212411",
            "telephone_number": "954-649-2301",
            "fax_number": "786-428-0305"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4310 ALTON ROAD",
            "city": "MIAMI BEACH",
            "state": "FL",
            "postal_code": "33140",
            "telephone_number": "305-535-3400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LINZER",
        "first_name": "DEBRA",
        "middle_name": "L.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-05",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "FL",
            "license": "ME0070869",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "250189900",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GHI PROVIDER NUMBER",
            "identifier": "7299859",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FIRST HEALTH PROVIDER #",
            "identifier": "1098818",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TOTAL HLTHCH. PROVIDER #",
            "identifier": "17915",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA PROVIDER NUMBER",
            "identifier": "4452999-002",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA PROVIDER NUMBER",
            "identifier": "5768746",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DIMENSION PROVIDER NUMBER",
            "identifier": "8892",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS PROVIDER NUMBER",
            "identifier": "31453",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "USA MNGD CR. PROVIDER #",
            "identifier": "330727",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLCARE PROVIDER NUMBER",
            "identifier": "162771",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIGROUP PROVIDER NUM.",
            "identifier": "209194",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Miami Beach, FL

Sources for this page

Verify at the official NPI Registry.