Mark Wayne Knestrick, MD
Hematology & Oncology Physician · Washington, PA
Mark Wayne Knestrick, MD is a hematology & oncology physician with a practice address in Washington, Pennsylvania, and NPI 1447576673, issued on Apr 13, 2010. Check the license (Pennsylvania MD474898, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark Wayne Knestrick
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD474898 PA
0101260907 VA
Self-reported in NPPES; status is on the state search - Practice location
- 470 Johnson RD Ste 10, Washington, PA 15301
- Phone
- (724) 223-3816
- Enumerated
- Apr 13, 2010
- Record last updated
- Sep 7, 2023
- Fax
- (724) 223-4079
- Medicaid ID
- 1447576673 VA
- Medicare enrollment
- Enrolled (PECOS I20240319003156); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Verify Mark Wayne Knestrick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD474898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,512 Medicare Part D claims for 280 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 115 claims were for opioids.
Most prescribed
- Eliquis133 claims
- Anastrozole107 claims
- Prednisone97 claims
- Calquence85 claims
- Hydroxyurea85 claims
- Oxycodone Hcl76 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: $111.96
6 payments; by number, the most common kind was food and beverage; the largest payer was Celgene 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 one group practice
- Oncology Hematology Association IncSteubenville, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Wayne Knestrick among 784 hematology & oncology physician records in Pennsylvania
Mark Wayne Knestrick, MD is one of 784 hematology & oncology physician records with a practice address in Pennsylvania. 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 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2010 · median 2004 among the 553 with a school on file
- Record last updated2023 · 60% 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 Pennsylvania 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 Pennsylvania
There are 784 hematology & oncology physician records in Pennsylvania.
All 784 in Pennsylvania → Every provider in Washington → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Nitin KapoorWashington, PA 153011013952878
- Alexis Megaludis, M.D.Washington, PA 153011942271648
- Wayne Pfrimmer, M.D.Washington, PA 153011679544019
- Jocelyn Tan, M.D.Washington, PA 153011790759025
- Arunkumar Sanjeevi, MDMc Murray, PA 153171932181070
- Tala AchkarPittsburgh, PA 152431104268242
- Christopher MarshPittsburgh, PA 152431780612044
- Vincent Reyes, MDPittsburgh, PA 152431639371297
Common questions
What is Mark Wayne Knestrick, MD's NPI number?
Mark Wayne Knestrick, MD's National Provider Identifier (NPI) is 1447576673, issued on Apr 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mark Wayne Knestrick, MD located?
The NPPES record lists a practice address at 470 Johnson RD Ste 10, Washington, PA, 15301. Phone: (724) 223-3816. Providers update this record themselves, so call before visiting.
How can I verify Mark Wayne Knestrick, MD's license?
NPPES lists Pennsylvania license number MD474898, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Wayne Knestrick, MD prescribe under Medicare Part D?
In 2024, Mark Wayne Knestrick, MD had 1,512 Medicare Part D claims for 280 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.