Doctor profile · Federal record

Dr. William Harless, M.D. PHD.

Medical Oncology Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Medical Oncology Physician · Specialist · Medical Oncology Physician · Charleston, WV

  • NPI 1528100948
  • 30 yrs in practice
  • Licensed in 5 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3415 Maccorkle Ave Se
Charleston, WV 253041334
(304) 388-4949
Additional location
433 W High St
Bryan, OH 435061690
(419) 630-2291
fax (419) 630-2181
Additional location
3860 Teays Valley RD Ste 5
Hurricane, WV 255269772
Mailing address
1400 Afflink Pl Ste 101
Tuscaloosa, AL 354062452

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
February 6, 2026
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (5)
West Virginia #21423 · Maine #MD23392 · Ohio #35C.003724 · Alabama #37144 · Connecticut #62961

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528100948. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
244
Distinct HCPCS
5
Medicare allowed
$26,196
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 82 55 $134
99214 Established patient office or other outpatient visit, 30-39 minutes 50 39 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 47 37 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 37 31 $64
99215 Established patient office or other outpatient visit, 40-54 minutes 28 25 $137

In context: peer comparison

Among 1 peers in this city , average services per provider: 48. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$50
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $33.04
Novartis Pharmaceuticals Corporation 1 $17.42

By nature of payment

Food and Beverage
$50

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
139
Patients
24
Total drug cost
$10,036
Drug Type Claims Patients Total cost
Prednisone Generic 18 0 $85
Dexamethasone Generic 15 12 $235
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 0 $259
Ondansetron Hcl Generic 15 0 $143
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 14 0 $32
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 12 $83
Eliquis (Apixaban) Brand 13 0 $8,669
Potassium Chloride Generic 13 0 $55
Oxycodone Hcl Generic 12 0 $359
Pantoprazole Sodium Generic 11 0 $117

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Harless's medical specialty?
Dr. William Harless practices Medical Oncology Physician in Charleston, WV.
Where does Dr. William Harless practice?
Dr. William Harless practices at 3415 Maccorkle Ave Se, Charleston, WV 253041334. Office phone: 3043884949.
What is Dr. William Harless's NPI?
Dr. William Harless's National Provider Identifier (NPI) is 1528100948, issued by NPPES.
Does Dr. William Harless accept Medicare assignment?
Dr. William Harless does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Harless commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.