Matthew J. Karpenko, DO
Hematology & Oncology Physician · Salisbury, MD
Matthew J. Karpenko, DO is a hematology & oncology physician with a practice address in Salisbury, Maryland, and NPI 1912118647, issued on May 24, 2007. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Matthew J. Karpenko
- Credential
- DO
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 2010-01037 NC
254036 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Carroll St, Salisbury, MD 21801
- Phone
- (410) 546-6400
- Enumerated
- May 24, 2007
- Record last updated
- Aug 26, 2024
- Medicaid ID
- 04615376 NY
- Medicare enrollment
- Enrolled (PECOS I20100828000031); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2002
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 317 in Maryland → Look up another NPI →
Also registered at 100 E Carroll St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frishta Abdul Ali, MDStudent in an Organized Health Care Education/Training Program1821939976
- Matthew Abell, NPAcute Care Nurse Practitioner1295395564
- Zeinab Abou Yehia, M.D.Radiation Oncology Physician1699124263
- Gajendra AcharyaStudent in an Organized Health Care Education/Training Program1477249217
- John AcheyFamily Nurse Practitioner1245931831
- Keila Addlesberger, PTAPhysical Therapy Assistant1326335605
Verify Matthew J. Karpenko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
602 Medicare Part D claims for 161 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Anastrozole40 claims
- Letrozole39 claims
- Eliquis33 claims
- Xtandi29 claims
- Ondansetron Odt26 claims
- Oxycodone Hcl24 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.
Industry payments in 2024: $269.40
14 payments; by number, the most common kind was food and beverage; the largest payer was Adaptive Biotechnologies Corporation. 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 3 group practices
- Caromont Medical Group IncBelmont, NC
- Martinsville Physician Practices LLCMartinsville, VA
- Musc Community PhysiciansOrangeburg, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew J. Karpenko among 317 hematology & oncology physician records in Maryland
Matthew J. Karpenko, DO 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 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2002 · median 2000 among the 185 with a school on file
- Record last updated2024 · 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 Salisbury → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Karim Arnaout, M.D.Salisbury, MD 218011265697213
- Janet Cooper, MDSalisbury, MD 218011982761912
- Walid El Ayass, M.DSalisbury, MD 218011700078250
- Joseph Grasso, M.D.Salisbury, MD 218011376513101
- Panpit Klug, M.D.Salisbury, MD 218011528038361
- James Martin, M.D.Salisbury, MD 218011104896505
- Justinian Ngaiza, MDSalisbury, MD 218011992788137
- Marcel Odaimi, MDSalisbury, MD 218011467436279
Common questions
What is Matthew J. Karpenko, DO's NPI number?
Matthew J. Karpenko, DO's National Provider Identifier (NPI) is 1912118647, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew J. Karpenko, DO located?
The NPPES record lists a practice address at 100 E Carroll St, Salisbury, MD, 21801. Phone: (410) 546-6400. Providers update this record themselves, so call before visiting.
How can I verify Matthew J. Karpenko, DO's license?
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 Matthew J. Karpenko, DO prescribe under Medicare Part D?
In 2024, Matthew J. Karpenko, DO had 602 Medicare Part D claims for 161 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.