KATHRYN MARIE RITTER MD
NPI 1295267839
Emergency Medicine in Portland, OR
About Kathryn Marie Ritter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN MARIE RITTER MD (NPI 1295267839) is an individual emergency medicine provider in Portland, Oregon, licensed in Maryland (D96294) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kathryn Marie Ritter Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathryn Ritter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 5
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.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 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.
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 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Kathryn Ritter's NPI number?
The NPI number for Kathryn Ritter is 1295267839. It was assigned to this individual provider in the NPPES registry on April 2, 2017.
Where is Kathryn Ritter located?
Kathryn Ritter practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-7551.
What is Kathryn Ritter's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Kathryn Ritter enrolled in Medicare?
Yes. Kathryn Ritter is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathryn Ritter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Ritter reassigns Medicare benefits to Johns Hopkins University (Bethesda, MD). 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 Kathryn Ritter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kathryn Ritter affiliated with any hospitals?
According to CMS data, Kathryn Ritter is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Kathryn Ritter was last updated on September 21, 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.
# Kathryn Marie Ritter, MD · NPI 1295267839
Emergency Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since April 2, 2017.
## Identity
- **NPI:** 1295267839 (Entity type: Individual)
- **Enumerated:** April 2, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D96294 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 494-7551 · **Fax:** (503) 494-4997
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1578569240, Bethesda, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1295267839) · Data from the CMS NPPES public registry.