National Provider Identifier Database

ROM S LEIDNER, MD – NPI #1801908702
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

ROM S LEIDNER, MD
4805 NE GLISAN ST
SUITE 6N40
PORTLAND, OR97213-2933
Phone: 503-215-5696
Fax:
Website:
Specialty Taxonomy Code
* Medical Oncology 207RX0202X
Hematology & Oncology 207RH0003X

* Indicates primary specialty

NPI Profile & details for ROM S LEIDNER

NPI Number 1801908702
Credentials MD
Entity Individual
Enumeration date 08/31/2006
Last updated 03/19/2021 - About 5 years ago
Sole proprietor1 No
Identifiers
  • OH License #: 57.012492
  • OR License #: MD159938
  • WA License #: MD00044911
  • WA Medicaid: 8441743
  • Other: P00287631 RAILROAD MEDICARE
  • WA Other: 0039581 LABOR & INDUSTRY
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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