Dr. Matko Kalac, MD, PhD
- Medicare services, 2023
- 209
- Part D claims, 2023
- 54
- Publications
- 22
- Industry payments
- $65,732
- Medical groups
- 3
- Practice address
- One Gustave L Levy Place, New York, NY 10029
- Practice phone
- Call (212) 241-7981
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kalac's professional email, personal email and mobile number
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Dr. Matko Kalac is a hematologist and oncologist in New York, New York
Dr. Kalac practices at The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.
Dr. Kalac's NPI, 1720378763, was assigned on April 11, 2011. Dr. Kalac graduated from University of Zagreb Faculty of Medicine in 2003. Dr. Kalac holds California license C181409.
- NPI
- 1720378763NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527332428
- NPI enumeration date
- April 11, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 241-7981
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matko Kalac practices at The Mount Sinai Hospital in New York, New York
Dr. Kalac's primary practice is The Mount Sinai Hospital, at One Gustave L Levy Place, New York, NY 10029 in New York County. The practice phone is (212) 241-7981.
- The Mount Sinai HospitalOne Gustave L Levy Place, New York, NY 10029 · New York CountyPhone(212) 241-7981
Source: Dmand AI Affiliation Data
Dr. Matko Kalac is affiliated with 3 medical groups
Dr. Kalac's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Kalac to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matko Kalac's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kalac practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Mount Sinai Hospital | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Mount Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Matko Kalac is one of 996 hematologists and oncologists in New York
Hematology and oncology is Dr. Kalac's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Kalac is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Kalac's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
- Medical oncology, New York
Clinical focus
Dmand AI lists chronic leukemia, lymphoma and multiple myeloma among the conditions Dr. Kalac treats.
Hematologists and oncologists near Dr. Kalac
Counts of hematologists and oncologists 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. Matko Kalac billed Medicare for 209 services in 2023
CMS data shows 209 Medicare services from Dr. Kalac across 3 procedure codes in 2023. Medicare paid $19,909 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kalac's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1542023: 20936%
Dr. Kalac compared with the New York median for hematologists and oncologists, 2023
- Dr. Kalac
- New York median
- Medicare services
- 209vs 66869% below
- Part D claims
- 54vs 25879% below
Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.
Dr. Kalac's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kalac and other hematologists and oncologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matko Kalac's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Kalac's median patient age at 75, with 25% women.
Dr. Kalac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women25%
- Men75%
Source: Dmand AI Patient Panel Data
Dr. Matko Kalac wrote 54 Medicare Part D claims in 2023
In 2023, Dr. Kalac wrote 54 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $2,609 in total drug cost. In 2022, CMS named 36 claims across 2 drugs.
Dr. Kalac's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 362023: 5450%
Drugs named by CMS: 3 in 2023, 2 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Matko Kalac takes part in Medicare
Dr. Kalac 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. Matko Kalac has 22 publications on record
Dmand AI links 22 papers to Dr. Kalac, published from 2011 to 2023. 2020 was the busiest year, with 2. The most frequent topics are Antineoplastic Agents, Antineoplastic Combined Chemotherapy Protocols and Acetylation. Dr. Kalac has published most often in Blood. Dr. Kalac's most frequent co-authors are Jennifer Effie Amengual, MD, Enrica Marchi, MD, PhD and Ahmed Sawas, MD.
Dr. Kalac's papers by year, 2011 to 2023
Topics Dr. Kalac writes about most
- Antineoplastic Agents
- Antineoplastic Combined Chemotherapy Protocols
- Acetylation
- Antibodies, Monoclonal
- Azacitidine
- Cell Line, Tumor
- Drug Synergism
- Histone Deacetylase Inhibitors
Dr. Kalac's most frequent co-authors
- Jennifer Effie Amengual, MD6 shared papers
- Enrica Marchi, MD, PhD5 shared papers
- Ahmed Sawas, MD3 shared papers
Recent publications by Dr. Kalac
J Oncol Pharm Pract
See who Dr. Kalac researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kalac works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matko Kalac received $65,732 in industry payments from 2016 to 2023
CMS Open Payments shows 81 general payments to Dr. Kalac from 16 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 54% of the total. Kyowa Kirin, Inc. paid the most, $22,879.
General payments to Dr. Kalac by program year, 2016 to 2023
General payments to Dr. Kalac by kind, 2016 to 2023
- Consulting fees$35,52354%
- Speaker and faculty fees$15,44323%
- Travel and lodging$11,08917%
- Food and beverage$3,5935%
- Education$840%
Companies that paid Dr. Kalac the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matko Kalac graduated from University of Zagreb Faculty of Medicine
Dr. Kalac graduated from University of Zagreb Faculty of Medicine in 2003.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Matko Kalac accepts plans from 5 insurance carriers
Dr. Kalac is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- NY State Medicaid
Plan types Dr. Kalac accepts, by number of carriers
- Medicare4
- PPO4
- HMO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Matko Kalac'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 | Dmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Matko Kalac
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. Matko Kalac's NPI number?
Dr. Matko Kalac's NPI number is 1720378763. It was assigned on April 11, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Matko Kalac?
Dr. Matko Kalac is a hematologist and oncologist in New York, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Matko Kalac practice?
Dr. Kalac practices at One Gustave L Levy Place, New York, NY 10029. Dr. Kalac's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Kalac to 2 medical groups.
What is Dr. Matko Kalac's office phone number?
The practice phone on file for Dr. Kalac is (212) 241-7981.
What is Dr. Matko Kalac's medical license number?
Dr. Kalac holds California license C181409, one of the licenses on file in 2 states.
Which states has Dr. Matko Kalac been licensed in?
Dmand AI has state licenses on file for Dr. Kalac in California (2022 to 2026) and New York (2013 to 2026).
Which hospitals is Dr. Matko Kalac affiliated with?
Dr. Kalac practices at The Mount Sinai Hospital in New York, New York.
What medical group is Dr. Matko Kalac part of?
Dr. Kalac is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Dr. Kalac to 2 more medical groups.
Does Dr. Matko Kalac accept Medicare?
Yes. CMS data shows Dr. Kalac billed Medicare for 209 services in 2023, and Dr. Kalac accepts Medicare assignment.
Is Dr. Matko Kalac board certified?
Yes. Dr. Kalac is board certified in hematology by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Matko Kalac bill to Medicare?
In 2023, Dr. Kalac's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and office visit, established patient (99215).
Where did Dr. Matko Kalac go to medical school?
Dr. Kalac graduated from University of Zagreb Faculty of Medicine in 2003.
What drugs does Dr. Matko Kalac prescribe most?
In 2023 Medicare Part D data, Dr. Kalac's most prescribed drugs by claims were Entecavir, Acyclovir and Pantoprazole Sodium.
Has Dr. Matko Kalac received payments from drug or device companies?
CMS Open Payments shows $65,732 in general payments to Dr. Kalac from 16 companies from 2016 to 2023. The largest total came from Kyowa Kirin, Inc.
How long has Dr. Matko Kalac been practicing?
Dr. Kalac graduated from medical school in 2003, 23 years ago.
Does Dr. Matko Kalac do research?
Dmand AI links 22 publications to Dr. Kalac, published from 2011 to 2023.
Who does Dr. Matko Kalac publish with?
Dr. Kalac's most frequent co-authors are Jennifer Effie Amengual, MD (6 shared papers), Enrica Marchi, MD, PhD (5 shared papers) and Ahmed Sawas, MD (3 shared papers).
What insurance does Dr. Matko Kalac accept?
Dr. Kalac is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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