Active NPI
Debra L. Linzer, MD
- Radiation Oncology Physician
- Miami Beach, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- ME0070869
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 250189900 | Medicaid | FL | |
| 7299859 | Other | FL | GHI PROVIDER NUMBER |
| 1098818 | Other | FL | FIRST HEALTH PROVIDER # |
| 17915 | Other | FL | TOTAL HLTHCH. PROVIDER # |
| 4452999-002 | Other | FL | CIGNA PROVIDER NUMBER |
| 5768746 | Other | FL | AETNA PROVIDER NUMBER |
| 8892 | Other | FL | DIMENSION PROVIDER NUMBER |
| 31453 | Other | FL | BCBS PROVIDER NUMBER |
| 330727 | Other | FL | USA MNGD CR. PROVIDER # |
| 162771 | Other | FL | WELLCARE PROVIDER NUMBER |
| 209194 | Other | FL | AMERIGROUP 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
Enrollment records 1
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
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
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Quality
- 91
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| ME0070869 | FL | MD | Radiation Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| MSMC Oncology, LLC | Current | Accepting new patients | |
| University of Miami | Radiation Oncology | Past | Accepting new patients |
| Oncology & Hematology Associates of West Broward, P.a. | Past | 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
- https://epicfhir.msmc.com/proxysite-prd/api/FHIR/R4/
- 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.
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- NPI 1962430561
-
- Neurological Surgery Physician
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- NPI 1356630628
-
- Hematology & Oncology Physician
- Plantation, FL
- NPI 1700891256
-
- Radiation Oncology Physician
- Miami, FL
- NPI 1689624108
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Miami Beach, FL
- NPI 1912964768
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 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.