Dr Regan Mon Look, MD - Medicare Internal Medicine in Portland, OR

Dr Regan Mon Look, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Portland, Oregon. His current practice location is 265 N Broadway St, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 280-1223.

Dr Regan Mon Look is licensed to practice in Oregon (license number MD20544) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1821091604.

Contact Information

Dr Regan Mon Look, MD
265 N Broadway St,
Portland, OR 97227-1800
(503) 280-1223
(503) 528-5252

Map and Direction




Physician's Profile

Full NameDr Regan Mon Look
GenderMale
SpecialityInternal Medicine - Medical Oncology
Location265 N Broadway St, Portland, Oregon
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1821091604
  • Provider Enumeration Date: 05/24/2005
  • Last Update Date: 12/22/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 9931130028
  • Enrollment ID: I20100301000523

Medical Identifiers

Medical identifiers for Dr Regan Mon Look such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821091604NPI-NPPES
1019827MedicaidWA
150403MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology MD20544 (Oregon)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Regan Mon Look allows following entities to bill medicare on his behalf.
Entity NameNorthwest Cancer Specialists Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407828114
PECOS PAC ID: 8426943838
Enrollment ID: O20040217000848
Entity NameSignify Health Medical Associates Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750845863
PECOS PAC ID: 2163764424
Enrollment ID: O20191230002111

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Regan Mon Look is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Regan Mon Look, MD
265 N Broadway St,
Portland, OR 97227-1800

Ph: (503) 280-1223
Dr Regan Mon Look, MD
265 N Broadway St,
Portland, OR 97227-1800

Ph: (503) 280-1223

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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