JAMES J BIEMER JR. MD
NPI 1750300703
Internal Medicine in Portland, OR
About James J Biemer Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES J BIEMER JR. MD (NPI 1750300703) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD16885) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of Georgetown University School Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
James J Biemer Jr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show James Biemer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97225
- Reassigned Medicare billing, Oregon enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, ORLegacy Good Samaritan Medical Center
Acute Care Hospitals · Portland, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97225
PORTLAND, OR 97225
PORTLAND, OR 97225
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Biemer's NPI number?
The NPI number for James Biemer is 1750300703. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is James Biemer located?
James Biemer practices at 9135 SW Barnes Rd Suite 863, Portland, OR 97225. The listed phone number is (503) 384-0316.
What is James Biemer's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is James Biemer enrolled in Medicare?
Yes. James Biemer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for James Biemer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Biemer reassigns Medicare benefits to James J Biemer Jr MD, P.C. (Portland, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Biemer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Biemer accept?
Health plans from BridgeSpan Health Company, Providence Health Plan and Regence BlueCross BlueShield of Oregon list James Biemer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is James Biemer affiliated with any hospitals?
According to CMS data, James Biemer is affiliated with Providence St Vincent Medical Center and Legacy Good Samaritan Medical Center.
When was this NPI record last updated?
The NPPES record for James Biemer was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.