Peter Alexander Leahey, M.D.
Infectious Disease Physician · Portland, OR
Peter Alexander Leahey, M.D. is an infectious disease physician with a practice address in Portland, Oregon, and NPI 1104143726, issued on Apr 21, 2010. Check the license (Oregon MD161118, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Peter Alexander Leahey
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- MD161118 OR
MD60344929 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3550 N Interstate Ave, Portland, OR 97227
- Phone
- (503) 249-3442
- Enumerated
- Apr 21, 2010
- Record last updated
- Feb 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20160927001364); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2010
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 127 in Oregon → Look up another NPI →
Also registered at 3550 N Interstate Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kaylene Adams, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1669922035
- John Alferes, M.D.Internal Medicine Physician1679680805
- James Allen, M.M.F.T.Addiction (Substance Use Disorder) Counselor1821192279
- Brad Anderson, M.D.Addiction Medicine (Family Medicine) Physician1245323724
- Brenda Annotti, F.N.P.Gerontology Registered Nurse1255335295
Verify Peter Alexander Leahey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD161118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average infectious disease physician in 2024
2,328 Medicare Part D claims for 204 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 58 claims were for opioids.
Most prescribed
- Biktarvy150 claims
- Atorvastatin Calcium144 claims
- Valacyclovir80 claims
- Odefsey68 claims
- Lisinopril67 claims
- Tivicay66 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $94.30
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Alexander Leahey among 127 infectious disease physician records in Oregon
Peter Alexander Leahey, M.D. 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 2010, is newer than 69% of them.
- NPI issued2010 · 69% of these records are older, 26% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2010 · median 2007 among the 88 with a school on file
- Record last updated2022 · 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
- Diana Antoniskis, M.D.Portland, OR 972271922116953
- Cliffton Bong, M.D.Portland, OR 972271609950849
- Raymond Bracis, M.D.Portland, OR 972271609897867
- Eric Chang, MDPortland, OR 972271720290190
- Molly Stenzel, MDPortland, OR 972271174635874
- Josephine Williams, MDPortland, OR 972271407819139
- Nabil Al-Kourainy, MDPortland, OR 972251902339971
- Cameron Cover, MDPortland, OR 972251609806785
Common questions
What is Peter Alexander Leahey, M.D.'s NPI number?
Peter Alexander Leahey, M.D.'s National Provider Identifier (NPI) is 1104143726, issued on Apr 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Peter Alexander Leahey, M.D. located?
The NPPES record lists a practice address at 3550 N Interstate Ave, Portland, OR, 97227. Phone: (503) 249-3442. Providers update this record themselves, so call before visiting.
How can I verify Peter Alexander Leahey, M.D.'s license?
NPPES lists Oregon license number MD161118, 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.
How much does Peter Alexander Leahey, M.D. prescribe under Medicare Part D?
In 2024, Peter Alexander Leahey, M.D. had 2,328 Medicare Part D claims for 204 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
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.