Mark S. Collins, M.D.
Hematology & Oncology Physician · Columbus, OH
Mark S. Collins, M.D. is a hematology & oncology physician with a practice address in Columbus, Ohio, and NPI 1962451021, issued on May 8, 2006. Check the license (Ohio 35065485, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mark S. Collins
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 35065485 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1492 E Broad St, Columbus, OH 43205
- Phone
- (614) 257-2900
- Enumerated
- May 8, 2006
- Record last updated
- Jan 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (614) 257-2079
- Medicaid ID
- 0331055 OH
- Medicare enrollment
- Enrolled (PECOS I20100803000193); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1983
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 513 in Ohio → Look up another NPI →
Also registered at 1492 E Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Birtcher, PTPhysical Therapist1881802072
- Debra Bruce, P.T.Physical Therapist1063627073
- Sheila Chucta, RNCritical Care Medicine Clinical Nurse Specialist1316250368
- Ludmila Core, PTPhysical Therapist1790905255
- Mark Debard, M.D.Family Medicine Physician1376623306
- Matthew Delahunty, PHARMD, BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1285037408
Verify Mark S. Collins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35065485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
647 Medicare Part D claims for 102 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 37 claims were for opioids.
Most prescribed
- Gabapentin43 claims
- Ondansetron Odt41 claims
- Acyclovir40 claims
- Prochlorperazine Maleate34 claims
- Pomalyst31 claims
- Dexamethasone22 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: $80.66
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Mercy Health Physicians Lima Specialty Care LLCLima, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark S. Collins among 513 hematology & oncology physician records in Ohio
Mark S. Collins, M.D. 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
- Graduated1983 · median 2001 among the 369 with a school on file
- Record last updated2014 · 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
- Regina Crawford, M.D.Columbus, OH 432031578787123
- Mary Misischia, D.O.Columbus, OH 432031003892084
- William Hicks, M.D.Columbus, OH 432101538187315
- Jonathan Hyak, MDColumbus, OH 432101245868959
- Prachi Jain, M.DColumbus, OH 432101225569783
- Kathleen Kerrigan, D.O.Columbus, OH 432101457779035
- David Liebner, MDColumbus, OH 432101174753537
- Thomas Lin, M.D.Columbus, OH 432101053328500
Common questions
What is Mark S. Collins, M.D.'s NPI number?
Mark S. Collins, M.D.'s National Provider Identifier (NPI) is 1962451021, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Collins, M.D. located?
The NPPES record lists a practice address at 1492 E Broad St, Columbus, OH, 43205. Phone: (614) 257-2900. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Collins, M.D.'s license?
NPPES lists Ohio license number 35065485, 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 S. Collins, M.D. prescribe under Medicare Part D?
In 2024, Mark S. Collins, M.D. had 647 Medicare Part D claims for 102 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.