Mark Christopher Markowski, M.D., PH.D.
Hematology & Oncology Physician · Baltimore, MD
Mark Christopher Markowski, M.D., PH.D. is a hematology & oncology physician with a practice address in Baltimore, Maryland, and NPI 1689809188, issued on May 27, 2009. Check the license (Maryland D74195, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark Christopher Markowski
- Credential
- M.D., PH.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- D74195 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St, Baltimore, MD 21287
- Phone
- (410) 955-3707
- Enumerated
- May 27, 2009
- Record last updated
- Oct 19, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 055763300 MD
- Medicare enrollment
- Enrolled (PECOS I20161115001494); may accept Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 317 in Maryland → Look up another NPI →
Also registered at 600 N Wolfe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Christopher Markowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D74195Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
435 Medicare Part D claims for 67 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Prednisone107 claims
- Abiraterone Acetate82 claims
- Nubeqa40 claims
- Tamsulosin Hcl26 claims
- Bicalutamide21 claims
- Xtandi17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $174.00
1 payment: food and beverage; the largest payer was Exelixis Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Johns Hopkins UniversityWashington, DC
- Johns Hopkins UniversityWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Christopher Markowski among 317 hematology & oncology physician records in Maryland
Mark Christopher Markowski, M.D., PH.D. is one of 317 hematology & oncology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 32% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2009 · median 2000 among the 185 with a school on file
- Record last updated2017 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Maryland
There are 317 hematology & oncology physician records in Maryland.
All 317 in Maryland → Every provider in Baltimore → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ahmad Al-Homsi, MDBaltimore, MD 212871104808047
- Ani Balmanoukian, M.D.Baltimore, MD 212871063558682
- Luis Diaz, M.D.Baltimore, MD 212871689601460
- Josephine Feliciano, M.D.Baltimore, MD 212871609023373
- Ivana Gojo, M.D.Baltimore, MD 212871194765677
- Lukasz Gondek, M.D.Baltimore, MD 212871073755765
- Noah Hahn, M.D.Baltimore, MD 212871376582197
- Christine Hann, M.D., PH.D.Baltimore, MD 212871336295021
Common questions
What is Mark Christopher Markowski, M.D., PH.D.'s NPI number?
Mark Christopher Markowski, M.D., PH.D.'s National Provider Identifier (NPI) is 1689809188, issued on May 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Christopher Markowski, M.D., PH.D. located?
The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 955-3707. Providers update this record themselves, so call before visiting.
How can I verify Mark Christopher Markowski, M.D., PH.D.'s license?
NPPES lists Maryland license number D74195, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Christopher Markowski, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Mark Christopher Markowski, M.D., PH.D. had 435 Medicare Part D claims for 67 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Mark Christopher Markowski, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.