Dr. Matthew Louis Holzner, MD
- Medicare services, 2024
- 200
- Medicare patients, 2024
- 78
- Publications
- 20
- Hospital affiliations
- 2
- Industry payments
- $359
- Practice address
- 4300 Alton Rd, Miami Beach, FL 33140
- Practice phone
- Call (305) 674-2121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Holzner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Matthew Louis Holzner is a transplant surgery physician in New York, New York
Dr. Holzner practices at Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida.
Dr. Holzner's NPI, 1457770307, was assigned on April 8, 2014. Dr. Holzner graduated from George Washington University School of Medicine in 2014. Dr. Holzner holds New York license 289007.
- NPI
- 1457770307NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729326848
- NPI enumeration date
- April 8, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (305) 674-2121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Louis Holzner practices in Miami Beach and New York
Dr. Holzner's primary practice is Mount Sinai Medical Center, at 4300 Alton Rd, Miami Beach, FL 33140 in Miami-Dade County. The practice phone is (305) 674-2121. Dr. Holzner also practices at Mount Sinai Medical Center, 5 E 98th St, New York, NY 10029.
- Mount Sinai Medical CenterPrimary4300 Alton Rd, Miami Beach, FL 33140 · Miami-Dade CountyPhone(305) 674-2121
- Mount Sinai Medical Center5 E 98th St, New York, NY 10029 · New York CountyPhone(212) 241-8035
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Matthew Louis Holzner is affiliated with 2 sites of care and 1 medical group
Dr. Holzner's primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida. Dr. Holzner is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Louis Holzner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holzner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mount Sinai Medical Center of Florida and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Matthew Louis Holzner is one of 87 transplant surgery physicians in New York
Transplant surgery is Dr. Holzner's primary specialty in the NPI Registry, under taxonomy code 204F00000X. Dr. Holzner is licensed in New York.
Specialties and state licenses
- Transplant surgery, New YorkPrimary
Transplant surgery physicians near Dr. Holzner
Counts of transplant surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Louis Holzner billed Medicare for 200 services in 2024
CMS data shows 200 Medicare services from Dr. Holzner across 6 procedure codes in 2024, for 78 Medicare patients. Medicare paid $61,217 for them.
Dr. Holzner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 942024: 15767%
- Surgery
- 2023: 272024: 4359%
Where Dr. Holzner's Medicare services took place, 2024
- In an office3015%
- In a facility17085%
Dr. Holzner compared with the New York median for transplant surgery physicians, 2024
- Dr. Holzner
- New York median
- Medicare services
- 200vs 982.0 times
- Medicare patients
- 78vs 5153% above
Medians across 83 transplant surgery physicians in New York with Dmand AI profiles that report each measure.
Dr. Holzner's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Holzner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holzner and other transplant surgery physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Louis Holzner treated 78 Medicare patients in 2024, average age 58
CMS counts 78 Medicare patients who saw Dr. Holzner in 2024. The largest group is under 65, with 45 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 55% are also on Medicaid. Their average risk score is 9.48, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Holzner's median patient age at 61, with 39% women.
Dr. Holzner's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Holzner's Medicare patients by sex, 2024
- Women3646%
- Men4254%
Chronic conditions among Dr. Holzner's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes67%
- Ischemic heart disease45%
- Heart failure40%
- Arthritis37%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holzner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women39%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Matthew Louis Holzner takes part in Medicare
Dr. Holzner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Matthew Louis Holzner has 20 publications on record
Dmand AI links 20 papers to Dr. Holzner, published from 2015 to 2025. 2021 was the busiest year, with 5. The most frequent topics are Liver Neoplasms, Liver Transplantation and Carcinoma, Hepatocellular. Dr. Holzner has published most often in HPB (Oxford). Dr. Holzner's most frequent co-authors are Sander S. Florman, MD, Parissa Tabrizian, MD and Myron Eliot Schwartz, MD.
Dr. Holzner's papers by year, 2015 to 2025
Topics Dr. Holzner writes about most
- Liver Neoplasms
- Liver Transplantation
- Carcinoma, Hepatocellular
- Living Donors
- Hepatectomy
- alpha-Fetoproteins
- Antiviral Agents
- Bile Duct Neoplasms
Dr. Holzner's most frequent co-authors
- Sander S. Florman, MD13 shared papers
- Parissa Tabrizian, MD9 shared papers
- Myron Eliot Schwartz, MD6 shared papers
Recent publications by Dr. Holzner
Ann Palliat Med
See who Dr. Holzner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Holzner works with, so you can find a warm path to the right transplant surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew Louis Holzner received $359 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Holzner from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Surgical Specialties Corporation (US), Inc. paid the most, $149.
General payments to Dr. Holzner by program year, 2024 to 2025
Companies that paid Dr. Holzner the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Louis Holzner graduated from George Washington University School of Medicine
Dr. Holzner graduated from George Washington University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Louis Holzner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew Louis Holzner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Matthew Louis Holzner's NPI number?
Dr. Matthew Louis Holzner's NPI number is 1457770307. It was assigned on April 8, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Louis Holzner?
Dr. Matthew Louis Holzner is a transplant surgery physician in New York, New York. The primary specialty in the NPI Registry is Transplant Surgery Physician (taxonomy code 204F00000X).
Where does Dr. Matthew Louis Holzner practice?
Dr. Holzner practices at 4300 Alton Rd, Miami Beach, FL 33140. Dr. Holzner also practices at 5 E 98th St, New York, NY 10029. Dr. Holzner's primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida.
What is Dr. Matthew Louis Holzner's office phone number?
The practice phone on file for Dr. Holzner is (305) 674-2121.
What is Dr. Matthew Louis Holzner's medical license number?
Dr. Holzner holds New York license 289007.
Which hospitals is Dr. Matthew Louis Holzner affiliated with?
Dr. Holzner practices at Mount Sinai Medical Center in Miami Beach, Florida. Dr. Holzner is also affiliated with The Mount Sinai Hospital.
What medical group is Dr. Matthew Louis Holzner part of?
Dr. Holzner is linked to Mount Sinai Institute for Liver Medicine.
Does Dr. Matthew Louis Holzner accept Medicare?
Yes. CMS data shows Dr. Holzner billed Medicare for 200 services in 2024, and Dr. Holzner accepts Medicare assignment.
How many Medicare patients does Dr. Matthew Louis Holzner see?
CMS counts 78 Medicare patients who saw Dr. Holzner in 2024, with an average age of 58.
What services does Dr. Matthew Louis Holzner bill to Medicare?
In 2024, Dr. Holzner's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and surgery: urinary system (50360).
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Where did Dr. Matthew Louis Holzner go to medical school?
Dr. Holzner graduated from George Washington University School of Medicine in 2014.
Has Dr. Matthew Louis Holzner received payments from drug or device companies?
CMS Open Payments shows $359 in general payments to Dr. Holzner from 3 companies from 2024 to 2025. The largest total came from Surgical Specialties Corporation (US), Inc.
How long has Dr. Matthew Louis Holzner been practicing?
Dr. Holzner graduated from medical school in 2014, 12 years ago.
Does Dr. Matthew Louis Holzner do research?
Dmand AI links 20 publications to Dr. Holzner, published from 2015 to 2025.
Who does Dr. Matthew Louis Holzner publish with?
Dr. Holzner's most frequent co-authors are Sander S. Florman, MD (13 shared papers), Parissa Tabrizian, MD (9 shared papers) and Myron Eliot Schwartz, MD (6 shared papers).
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