JOHANNA BETH WARREN MD
NPI 1043226541
Family Medicine in Milwaukie, OR
About Johanna Beth Warren Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHANNA BETH WARREN MD (NPI 1043226541) is an individual family medicine provider in Milwaukie, Oregon, licensed in Oregon (MD25775) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Northwestern University Feinberg Medical School (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Johanna Beth Warren 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 Johanna Warren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97222 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
MILWAUKIE, OR 97222
MILWAUKIE, OR 97222
MILWAUKIE, OR 97222
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 Johanna Warren's NPI number?
The NPI number for Johanna Warren is 1043226541. It was assigned to this individual provider in the NPPES registry on August 1, 2006.
Where is Johanna Warren located?
Johanna Warren practices at 10330 SE 32nd Ave Suite 205, Milwaukie, OR 97222. The listed phone number is (503) 513-8950.
What is Johanna Warren's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Johanna Warren enrolled in Medicare?
Yes. Johanna Warren 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 Johanna Warren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johanna Warren reassigns Medicare benefits to University Professional Services (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 Johanna Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Johanna Warren accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Johanna Warren 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 Johanna Warren affiliated with any hospitals?
According to CMS data, Johanna Warren is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Johanna Warren was last updated on October 31, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Johanna Beth Warren, MD · NPI 1043226541
Family Medicine physician in Milwaukie, Oregon. Individual provider, active in the CMS NPPES registry since August 1, 2006.
## Identity
- **NPI:** 1043226541 (Entity type: Individual)
- **Enumerated:** August 1, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD25775 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 10330 SE 32ND AVE, SUITE 205, Milwaukie, OR 97222-6587
- **Phone:** (503) 513-8950
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Professional Services (NPI 1376709535, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2003
## Record status
- **NPPES last updated:** October 31, 2016
- **Other identifiers:** Medicare UPIN I43225; Medicare PIN R179616 (OR); Medicaid 243038 (OR)
---
Source: [NPI Profile](https://npiprofile.com/npi/1043226541) · Data from the CMS NPPES public registry.