DI DENG
NPI 1427589019
Family Medicine in Portland, OR
About Di Deng NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DI DENG (NPI 1427589019) is an individual family medicine provider in Portland, Oregon, licensed in Oregon (MD204600) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of Geisel School Of Medicine At Dartmouth (2017).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Di Deng 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 Di Deng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gresham, OR 97030
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1871848457 (Washington)
- 3,207 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97233 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.
PORTLAND, OR 97233
PORTLAND, OR 97233
PORTLAND, OR 97233
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 Di Deng's NPI number?
The NPI number for Di Deng is 1427589019. It was assigned to this individual provider in the NPPES registry on March 24, 2017.
Where is Di Deng located?
Di Deng practices at 19500 SE Stark St, Portland, OR 97233. The listed phone number is (800) 813-2000.
What is Di Deng's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Di Deng enrolled in Medicare?
Yes. Di Deng 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 Di Deng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Di Deng reassigns Medicare benefits to Sapphire At Gresham Rehab, LLC (Gresham, 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 Di Deng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Di Deng was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Di Deng · NPI 1427589019
Family Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since March 24, 2017.
## Identity
- **NPI:** 1427589019 (Entity type: Individual)
- **Enumerated:** March 24, 2017
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD204600 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 19500 SE STARK ST, Portland, OR 97233-5757
- **Phone:** (800) 813-2000
## 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:** Sapphire At Gresham Rehab, LLC (NPI 1033740899, Gresham, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Geisel School Of Medicine At Dartmouth, class of 2017
## Record status
- **NPPES last updated:** February 12, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1427589019) · Data from the CMS NPPES public registry.