National Provider Identifier Database

WILLIAM W HARLESS, M.D. PHD. – NPI #1528100948
Medical Oncology

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.


Contact Information

WILLIAM W HARLESS, M.D. PHD.
3415 MACCORKLE AVE SE
CHARLESTON, WV25304-1334
Phone: 304-388-4949
Fax:
Website:
Specialty Taxonomy Code
* Medical Oncology 207RX0202X
Specialist 174400000X

* Indicates primary specialty

NPI Profile & details for WILLIAM W HARLESS

NPI Number 1528100948
Credentials M.D. PHD.
Entity Individual
Enumeration date 02/13/2007
Last updated 02/06/2026 - About 4 months ago
Sole proprietor1 Yes
Identifiers
  • AL License #: 37144
  • CT License #: 62961
  • ME License #: MD23392
  • OH License #: 35C.003724
  • WV License #: 21423
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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