Doctor profile · Federal record

Dr. Basem William, MD

Hematology & Oncology Physician (CMS: Hematopoietic Cell Transplantation and Cellular Therapy) · Hospitalist Physician · Marion, OH

  • NPI 1952416505
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 30 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1050 Delaware Ave
Marion, OH 433026416
(740) 383-7830
Additional location
460 W 10Th Ave
Columbus, OH 432101240
(614) 293-3196
fax (614) 293-4812
Mailing address
Po Box 7527
Dublin, OH 430170727

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
December 15, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Ohio #35-099331 · Maine #016881
Medicaid
OH #0065765

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952416505. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
421
Distinct HCPCS
5
Medicare allowed
$53,374
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 270 23 $117
99214 Established patient office or other outpatient visit, 30-39 minutes 79 29 $123
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $212
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 16 $171
99239 Hospital discharge day management, more than 30 minutes 22 16 $112

In context: peer comparison

Among 2 peers in this city , average services per provider: 67. This provider delivers 6.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,108
Transactions
13
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Incyte Corporation 1 $2,397.50
E.R. Squibb & Sons, L.L.C. 1 $2,076.00
PFIZER INC. 2 $1,123.99
Karyopharm Therapeutics Inc. 5 $870.93
Adaptive Biotechnologies Corporation 2 $289.59
National Marrow Donor Program 1 $214.51
AstraZeneca Pharmaceuticals LP 1 $135.00

By nature of payment

Consulting Fee
$5,474
Food and Beverage
$862
Travel and Lodging
$772

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
0
Total drug cost
$366
Drug Type Claims Patients Total cost
Allopurinol Generic 12 0 $141
Acyclovir Generic 11 0 $226

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Basem William's medical specialty?
Dr. Basem William practices Hematology & Oncology Physician in Marion, OH.
Where does Dr. Basem William practice?
Dr. Basem William practices at 1050 Delaware Ave, Marion, OH 433026416. Office phone: 7403837830.
What is Dr. Basem William's NPI?
Dr. Basem William's National Provider Identifier (NPI) is 1952416505, issued by NPPES.
Does Dr. Basem William accept Medicare assignment?
Yes. Dr. Basem William accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Basem William commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.