Mark Knapp, MD
Hematology & Oncology Physician · Columbus, OH
Mark Knapp, MD is a hematology & oncology physician with a practice address in Columbus, Ohio, and NPI 1952359549, issued on May 5, 2006. Check the license (Ohio 35078040, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mark Knapp
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 35078040 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Plaza Properties Blvd, Columbus, OH 43219
- Phone
- (614) 383-6000
- Enumerated
- May 5, 2006
- Record last updated
- Jan 11, 2023
- Fax
- (614) 383-6001
- Medicaid ID
- 2430051 OH
- Medicare enrollment
- Enrolled (PECOS I20040519000639); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 513 in Ohio → Look up another NPI →
Also registered at 3100 Plaza Properties Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Alexander, CNPNurse Practitioner1568879435
- Sherry Beckman, NPAdult Health Nurse Practitioner1881932291
- Anna Billy, APRNNurse Practitioner1972254126
- Tarek Chidiac, MDHematology & Oncology Physician1922066778
- Patrick Elwood, MDHematology & Oncology Physician1083672760
- Jeanna Knoble, MDHematology & Oncology Physician1548242118
Verify Mark Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35078040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average hematology & oncology physician in 2024
882 Medicare Part D claims for 162 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims. 37 claims were for opioids.
Most prescribed
- Revlimid111 claims
- Hydroxyurea110 claims
- Dexamethasone65 claims
- Imbruvica36 claims
- Acyclovir34 claims
- Pomalyst34 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $15,135.92
30 payments; by number, the most common kind was food and beverage; the largest payer was Pharmacosmos Therapeutics 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 one group practice
- American Oncology Partners PAColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Knapp among 513 hematology & oncology physician records in Ohio
Mark Knapp, MD is one of 513 hematology & oncology physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1997 · median 2001 among the 369 with a school on file
- Record last updated2023 · 53% 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 Ohio 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 Ohio
There are 513 hematology & oncology physician records in Ohio.
All 513 in Ohio → Every provider in Columbus → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Tarek Chidiac, MDColumbus, OH 432191922066778
- Patrick Elwood, MDColumbus, OH 432191083672760
- Edward JamelarinColumbus, OH 432191104024900
- Jeanna Knoble, MDColumbus, OH 432191548242118
- Sameh Mikhail, M.D.Columbus, OH 432191447455720
- Taral Patel, MDColumbus, OH 432191780632828
- Jorge Rios-Perez, M.D.Columbus, OH 432191710143847
- Mark Segal, MDColumbus, OH 432191093715385
Common questions
What is Mark Knapp, MD's NPI number?
Mark Knapp, MD's National Provider Identifier (NPI) is 1952359549, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Knapp, MD located?
The NPPES record lists a practice address at 3100 Plaza Properties Blvd, Columbus, OH, 43219. Phone: (614) 383-6000. Providers update this record themselves, so call before visiting.
How can I verify Mark Knapp, MD's license?
NPPES lists Ohio license number 35078040, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Knapp, MD prescribe under Medicare Part D?
In 2024, Mark Knapp, MD had 882 Medicare Part D claims for 162 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Mark Knapp, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.