DR. DIEGO F DIAZ MD
NPI 1407019532
Family Medicine in Portland, OR
About Dr. Diego F Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIEGO F DIAZ MD (NPI 1407019532) is an individual family medicine provider in Portland, Oregon, licensed in Oregon (MD159017) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Dr. Diego F Diaz 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 Diego Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97227
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1184786527 (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 97217 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.
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 Diego Diaz's NPI number?
The NPI number for Diego Diaz is 1407019532. It was assigned to this individual provider in the NPPES registry on July 9, 2008.
Where is Diego Diaz located?
Diego Diaz practices at 4920 N Interstate Ave, Portland, OR 97217. The listed phone number is (503) 215-3300.
What is Diego Diaz's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Diego Diaz enrolled in Medicare?
Yes. Diego Diaz 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 Diego Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diego Diaz reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (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 Diego Diaz'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 Diego Diaz was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Diego F Diaz, MD · NPI 1407019532
Family Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since July 9, 2008.
## Identity
- **NPI:** 1407019532 (Entity type: Individual)
- **Enumerated:** July 9, 2008
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD159017 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 4920 N INTERSTATE AVE, Portland, OR 97217-3653
- **Phone:** (503) 215-3300 · **Fax:** (503) 215-3350
## 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:** Kaiser Foundation Health Plan Of The Northwest (NPI 1093043424, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** February 4, 2022
- **Other identifiers:** Medicaid 500649902 (OR)
---
Source: [NPI Profile](https://npiprofile.com/npi/1407019532) · Data from the CMS NPPES public registry.