Phil Holland Alday, MD, PHD
Infectious Disease Physician · Portland, OR
Phil Holland Alday, MD, PHD is an infectious disease physician with a practice address in Portland, Oregon, and NPI 1417181629, issued on May 4, 2009. Check the license (Oregon MD167089, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Phil Holland Alday
- Credential
- MD, PHD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- MD167089 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park Road L457, Portland, OR 97239
- Phone
- (503) 494-7735
- Enumerated
- May 4, 2009
- Record last updated
- Jun 2, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (403) 494-4264
- Medicare enrollment
- Enrolled (PECOS I20140605000895); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 127 in Oregon → Look up another NPI →
Verify Phil Holland Alday in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD167089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phil Holland Alday among 127 infectious disease physician records in Oregon
Phil Holland Alday, MD, PHD is one of 127 infectious disease physician records with a practice address in Oregon. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 31% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2009 · median 2007 among the 88 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Oregon
There are 127 infectious disease physician records in Oregon.
All 127 in Oregon → Every provider in Portland → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Richard Bryant, MDPortland, OR 972391285641100
- Sunwen Chou, MDPortland, OR 972391568477073
- Graeme Forrest, M.D.Portland, OR 972391730139114
- Morgan Hakki, MDPortland, OR 972391255441556
- Kieren MarrPortland, OR 972391104916055
- George Mejicano, MDPortland, OR 972391083680979
- Melissa Murphy, MDPortland, OR 972391497763916
- Christopher Pfeiffer, M.D., M.H.S.Portland, OR 972391760440044
Common questions
What is Phil Holland Alday, MD, PHD's NPI number?
Phil Holland Alday, MD, PHD's National Provider Identifier (NPI) is 1417181629, issued on May 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Phil Holland Alday, MD, PHD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park Road L457, Portland, OR, 97239. Phone: (503) 494-7735. Providers update this record themselves, so call before visiting.
How can I verify Phil Holland Alday, MD, PHD's license?
NPPES lists Oregon license number MD167089, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Phil Holland Alday, MD, PHD's MIPS final score?
The 2023 MIPS final score is 97.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.