Biomarkers, TumorDouble-Blind MethodPlant Extracts
Dr. Mark Christopher Markowski, MD, PhD
NPI1689809188PAC ID1355507575
- Medicare services, 2024
- 543
- Medicare patients, 2024
- 189
- Part D claims, 2024
- 435
- Publications
- 73
- Clinical trials
- 7
- Practice address
- 5255 Loughboro Rd NW, Washington, DC 20016
- Practice phone
- Call (202) 537-4680
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Markowski's professional email, personal email and mobile number
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Dr. Mark Christopher Markowski is a hematologist and oncologist in Washington, District of Columbia
Dr. Markowski practices at Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System.
Dr. Markowski's NPI, 1689809188, was assigned on May 27, 2009. Dr. Markowski graduated from Georgetown University School of Medicine in 2009. Dr. Markowski holds Maryland license D74195.
NPI and contact details
- NPI
- 1689809188NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355507575
- NPI enumeration date
- May 27, 2009
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (202) 537-4680
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Christopher Markowski practices at Sibley Memorial Hospital in Washington, District of Columbia
Dr. Markowski's primary practice is Sibley Memorial Hospital, at 5255 Loughboro Rd NW, Washington, DC 20016 in The District County. The practice phone is (202) 537-4680.
- Sibley Memorial Hospital5255 Loughboro Rd NW, Washington, DC 20016 · The District CountyPhone(202) 537-4680
Source: Dmand AI Affiliation Data
Dr. Mark Christopher Markowski is affiliated with 2 sites of care and 2 medical groups
Dr. Markowski's primary practice is Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System. Dr. Markowski is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Markowski to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Christopher Markowski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markowski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sibley Memorial Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Christopher Markowski is one of 66 hematologists and oncologists in District of Columbia
Hematology and oncology is Dr. Markowski's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Markowski is licensed in Maryland.
Specialties and state licenses
- Hematology and oncology, MarylandPrimary
Hematologists and oncologists near Dr. Markowski
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
66hematologists and oncologists in District of Columbia66hematologists and oncologists in Washington5hematologists and oncologists at Sibley Memorial Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Christopher Markowski billed Medicare for 543 services in 2024
CMS data shows 543 Medicare services from Dr. Markowski across 4 procedure codes in 2024, for 189 Medicare patients. Medicare paid $68,207 for them.
Medicare services, 2024543
Medicare patients189
Paid by Medicare$68,207
Procedure codes4
Dr. Markowski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5332024: 5432%
Where Dr. Markowski's Medicare services took place, 2024
- In an office20137%
- In a facility34263%
Dr. Markowski compared with the District of Columbia median for hematologists and oncologists, 2024
- Dr. Markowski
- District of Columbia median
- Medicare services
- 543vs 39637% above
- Medicare patients
- 189vs 14927% above
- Part D claims
- 369vs 1143.2 times
Medians across 62 hematologists and oncologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Markowski'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Christopher Markowski treated 189 Medicare patients in 2024, average age 76
CMS counts 189 Medicare patients who saw Dr. Markowski in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 1.78, 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. Markowski's median patient age at 76, with 7% women.
Medicare patients, 2024189
Average age76
Average risk score1.78
Dr. Markowski's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Markowski's Medicare patients by sex, 2024
- Women168%
- Men17392%
Chronic conditions among Dr. Markowski's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Ischemic heart disease33%
- Diabetes30%
- Chronic kidney disease29%
- Atrial fibrillation19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Markowski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women7%
- Men93%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Christopher Markowski wrote 435 Medicare Part D claims in 2024
In 2024, Dr. Markowski wrote 435 Medicare Part D claims for 67 patients. 71% of them were for generic drugs. CMS names the drug for 369 of them, across 12 drugs with 11 or more claims each, at $1,370,849 in total drug cost. In 2023, CMS named 360 claims across 13 drugs.
Part D claims, 2024435
Drugs named by CMS12
Total drug cost$1.4M
Part D patients67
Dr. Markowski's Part D claims by kind of drug, 2024
- Generic308 claims71%
- Brand-name127 claims29%
Dr. Markowski's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3602024: 3693%
Drugs named by CMS: 12 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mark Christopher Markowski scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Markowski for performance year 2024, reported as part of a group. CMS lists Dr. Markowski as offering telehealth.
- Offers telehealth
- Yes
Dr. Markowski's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark Christopher Markowski has 73 publications on record
Dmand AI links 73 papers to Dr. Markowski, published from 2012 to 2025. 2021 was the busiest year, with 11. The most frequent topics are Prostatic Neoplasms, Prostatic Neoplasms, Castration-Resistant and Prostate-Specific Antigen. Dr. Markowski has published most often in Prostate. Dr. Markowski's most frequent co-authors are Mario Eisenberger, MD, Samuel Ray Denmeade, MD and Michael Anthony Carducci, MD.
Papers73
Years published2012 to 2025
Dr. Markowski's papers by year, 2016 to 2025
Topics Dr. Markowski writes about most
- Prostatic Neoplasms
- Prostatic Neoplasms, Castration-Resistant
- Prostate-Specific Antigen
- Neoplasm Metastasis
- Androgens
- Androgen Antagonists
- Testosterone
- Disease Progression
Dr. Markowski's most frequent co-authors
- Mario Eisenberger, MD29 shared papers
- Samuel Ray Denmeade, MD25 shared papers
- Michael Anthony Carducci, MD23 shared papers
Recent publications by Dr. Markowski
Prostate
Prostate-Specific AntigenProstatic NeoplasmsSodium-Glucose Transporter 2 Inhibitors
Eur Urol Oncol
Artificial IntelligenceBiomarkers, TumorDisease Progression
Androgen AntagonistsAntibodies, Monoclonal, HumanizedProstate-Specific Antigen
See who Dr. Markowski researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Markowski 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. Mark Christopher Markowski has worked on 7 clinical trials
Dmand AI links Dr. Markowski to 7 clinical trials, 4 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Prostatic Neoplasms and Prostatic Diseases. Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins sponsors the most, 4.
Clinical trials with Dr. Markowski by phase
- 2Phase 1: 2 trials
- 4Phase 2: 4 trials
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Markowski's trials
- Prostatic Neoplasms
- Prostatic Diseases
Investigators on the most trials with Dr. Markowski
- Samuel Ray Denmeade, MD1 shared trial
- Mario Eisenberger, MD1 shared trial
- Stephen C. Greco, MD1 shared trial
Recent clinical trials with Dr. Markowski
A Phase 2 Study of Apalutamide in Active Surveillance Patients (opens in a new tab)
TerminatedPhase 2
Apalutamide
GSK525762AbirateroneEnzalutamide
Prostatic NeoplasmsProstatic Diseases18F-DCFPyL Injection
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Mark Christopher Markowski received $7,363 in industry payments from 2016 to 2024
CMS Open Payments shows 34 general payments to Dr. Markowski from 6 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 30% of the total. Exelixis Inc. paid the most, $2,532.
General payments to Dr. Markowski by program year, 2016 to 2024
General payments to Dr. Markowski by kind, 2016 to 2024
$7.4Kin total
- Consulting fees$2,20430%
- Travel and lodging$1,94626%
- Food and beverage$1,63322%
- Speaker and faculty fees$1,36519%
- Education$2163%
Companies that paid Dr. Markowski the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Christopher Markowski graduated from Georgetown University School of Medicine
Dr. Markowski graduated from Georgetown University School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Christopher Markowski'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Mark Christopher Markowski
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. Mark Christopher Markowski's NPI number?
Dr. Mark Christopher Markowski's NPI number is 1689809188. It was assigned on May 27, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Christopher Markowski?
Dr. Mark Christopher Markowski is a hematologist and oncologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Mark Christopher Markowski practice?
Dr. Markowski practices at 5255 Loughboro Rd NW, Washington, DC 20016. Dr. Markowski's primary practice is Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System. Dmand AI also links Dr. Markowski to 1 medical group.
What is Dr. Mark Christopher Markowski's office phone number?
The practice phone on file for Dr. Markowski is (202) 537-4680.
What is Dr. Mark Christopher Markowski's medical license number?
Dr. Markowski holds Maryland license D74195.
Which hospitals is Dr. Mark Christopher Markowski affiliated with?
Dr. Markowski practices at Sibley Memorial Hospital in Washington, District of Columbia. Dr. Markowski is also affiliated with The Johns Hopkins Hospital.
What medical group is Dr. Mark Christopher Markowski part of?
Dr. Markowski is linked to Johns Hopkins University. Dmand AI links Dr. Markowski to 1 more medical group.
Does Dr. Mark Christopher Markowski accept Medicare?
Yes. CMS data shows Dr. Markowski billed Medicare for 543 services in 2024.
Does Dr. Mark Christopher Markowski offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Markowski as offering telehealth services.
What is Dr. Mark Christopher Markowski's MIPS score?
Dr. Markowski's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Mark Christopher Markowski see?
CMS counts 189 Medicare patients who saw Dr. Markowski in 2024, with an average age of 76.
What services does Dr. Mark Christopher Markowski bill to Medicare?
In 2024, Dr. Markowski's most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and hospital inpatient care (99222).
Where did Dr. Mark Christopher Markowski go to medical school?
Dr. Markowski graduated from Georgetown University School of Medicine in 2009.
What drugs does Dr. Mark Christopher Markowski prescribe most?
In 2024 Medicare Part D data, Dr. Markowski's most prescribed drugs by claims were Prednisone, Abiraterone Acetate and Nubeqa.
Has Dr. Mark Christopher Markowski received payments from drug or device companies?
CMS Open Payments shows $7,363 in general payments to Dr. Markowski from 6 companies from 2016 to 2024. The largest total came from Exelixis Inc.
How long has Dr. Mark Christopher Markowski been practicing?
Dr. Markowski graduated from medical school in 2009, 17 years ago.
Does Dr. Mark Christopher Markowski do research?
Dmand AI links 73 publications to Dr. Markowski, published from 2012 to 2025. Dr. Markowski has worked on 7 clinical trials.
Who does Dr. Mark Christopher Markowski publish with?
Dr. Markowski's most frequent co-authors are Mario Eisenberger, MD (29 shared papers), Samuel Ray Denmeade, MD (25 shared papers) and Michael Anthony Carducci, MD (23 shared papers).
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