National Provider Identifier Database

IVAN S LOWENTHAL, MD – NPI #1043245889
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

IVAN S LOWENTHAL, MD
633 GOV CARLOS CAMACHO RD., STE B5
TAMUNING, GU96913-3194
Phone: 671-647-4656
Fax: 671-647-4660
Website:
Specialty Taxonomy Code
* Medical Oncology 207RX0202X

* Indicates primary specialty

NPI Profile & details for IVAN S LOWENTHAL

NPI Number 1043245889
Credentials MD
Entity Individual
Enumeration date 07/11/2006
Last updated 03/19/2025 - More than a year ago
Sole proprietor1 Yes
Identifiers
  • CT License #: 18789
  • GU License #: M-1925
  • CT Medicaid: 001187897
  • Other: 06-1088532 TAX ID #
  • CT Other: 1683 CT CONTROLLED SUBSTANCE
  • CT Other: 18789 CT. LICENSE
  • GU Other: M-1925 GUAM LICENSE
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 IVAN S LOWENTHAL, MD

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