National Provider Identifier Database

JOHN L HAYS, M.D., PH.D. – NPI #1588848931
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

JOHN L HAYS, M.D., PH.D.
460 W 10TH AVE
COLUMBUS, OH43210-1240
Phone: 614-293-6529
Fax: 614-293-9469
Website:
Specialty Taxonomy Code
* Medical Oncology 207RX0202X

* Indicates primary specialty

NPI Profile & details for JOHN L HAYS

NPI Number 1588848931
Credentials M.D., PH.D.
Entity Individual
Enumeration date 12/20/2007
Last updated 12/04/2020 - About 6 years ago
Sole proprietor1 No
Identifiers
  • MD License #: D67421
  • OH License #: 35120070
  • OH Medicaid: 0074380
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.

Reviews for JOHN L HAYS, M.D., PH.D.

There are currently no reviews for JOHN L HAYS, M.D., PH.D.


NPIdb - Home
v2.201