DR. PHIL HOLLAND ALDAY JR. MD, PHD
NPI 1417181629
Internal Medicine - Infectious Disease in Portland, OR
About Dr. Phil Holland Alday Jr. Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHIL HOLLAND ALDAY JR. MD, PHD (NPI 1417181629) is an individual infectious disease provider in Portland, Oregon, licensed in Oregon (MD167089) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of University Of Mississippi School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Phil Holland Alday Jr. Md, Phd 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 Phil Alday 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.
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 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.
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 Phil Alday's NPI number?
The NPI number for Phil Alday is 1417181629. It was assigned to this individual provider in the NPPES registry on May 4, 2009.
Where is Phil Alday located?
Phil Alday practices at 3181 SW Sam Jackson Park Road L457, Portland, OR 97239. The listed phone number is (503) 494-7735.
What is Phil Alday's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Phil Alday enrolled in Medicare?
Yes. Phil Alday 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 Phil Alday's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Phil Alday 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 Phil Alday's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Phil Alday accept?
Health plans from Moda Health Plan, Inc. list Phil Alday 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 Phil Alday affiliated with any hospitals?
According to CMS data, Phil Alday is affiliated with Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Phil Alday was last updated on June 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.