Ronald Ng, MD - Medicare Internal Medicine in Portland, OR

Ronald Ng, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Portland, Oregon. His current practice location is 3303 S Bond Ave, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 494-6594.

Ronald Ng is licensed to practice in Oregon (license number MD216878) 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 1164957544.

Contact Information

Ronald Ng, MD
3303 S Bond Ave,
Portland, OR 97239-4501
(503) 494-6594
(503) 494-5385

Map and Direction




Physician's Profile

Full NameRonald Ng
GenderMale
SpecialityInternal Medicine - Medical Oncology
Location3303 S Bond Ave, Portland, Oregon
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1164957544
  • Provider Enumeration Date: 04/24/2017
  • Last Update Date: 08/08/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9335410232
  • Enrollment ID: I20230825001332

Medical Identifiers

Medical identifiers for Ronald Ng such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164957544NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 125076227 (Illinois)Secondary
207RX0202XInternal Medicine - Medical Oncology MD216878 (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. Ronald Ng allows following entities to bill medicare on his behalf.
Entity NameUniversity Professional Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376709535
PECOS PAC ID: 4880760107
Enrollment ID: O20080910000013

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. Ronald Ng 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
Ronald Ng, MD
1400 Sw 5th Ave Ste 500,
Portland, OR 97201-5537

Ph: (866) 617-6855
Ronald Ng, MD
3303 S Bond Ave,
Portland, OR 97239-4501

Ph: (503) 494-6594

Reviews and Comments


Internal Medicine Doctors in Portland, OR

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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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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