Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Basem William, MD

Individual provider Hospitalist Physician · NPI 1952416505

Dr. Basem William, MD practises Hematopoietic Cell Transplantation and Cellular Therapy in Marion, Ohio. Qualified in 1996, 30 years ago. Practices with Ohiohealth Corporation, a 2,289-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Maine and Ohio.

Years since qualifying
30
Licensed in
ME, OH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1050 Delaware Ave
Marion, OH 43302-6416
Phone: (740) 383-7830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 460 W 10th Ave, Columbus, OH 43210-1240 — (614) 293-3196

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 35-099331 (OH)
Hospitalist Physician Taxonomy 208M00000X · Licence 016881 (ME)

Record details

NPI number1952416505
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESDecember 15, 2021
Certification dateMay 26, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOPOIETIC CELL TRANSPLANTATION AND CELLULAR THERAPY
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Ohiohealth Corporation — 2289 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients76
Services billed 345 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Compensation for services other than consulting , including serving as faculty or as a speaker at a venue other than a continuing education program $4,388 2 payments
Consulting Fee $2,870 1 payment
Food and Beverage $1,408 22 payments · a meal or drink at a meeting or visit, not a fee
Travel and Lodging $1,260 5 payments · travel or lodging paid or reimbursed, such as to attend a conference
Education $88 2 payments · educational material or training, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Ohiohealth Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2289 clinicians in the practice; 12 are shown here.

Other providers in Marion