Donald Patrick Lilak, PAC
Surgical Physician Assistant · Portland, OR
Donald Patrick Lilak, PAC is a surgical physician assistant with a practice address in Portland, Oregon, and NPI 1659324564, issued on May 19, 2006. Check the license with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Donald Patrick Lilak
- Credential
- PAC
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-8991
- Enumerated
- May 19, 2006
- Record last updated
- Jan 3, 2022
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 362 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Donald Patrick Lilak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average surgical physician assistant in 2024
220 Medicare Part D claims for 88 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 102 claims were for opioids.
Most prescribed
- Oxycodone Hcl68 claims
- Ondansetron Odt40 claims
- Naloxone Hcl31 claims
- Hydrocodone-Acetaminophen22 claims
- Tranexamic Acid13 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.
Donald Patrick Lilak among 362 surgical physician assistant records in Oregon
Donald Patrick Lilak, PAC is one of 362 surgical physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 74% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 78% of these records are
- Record last updated2022 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Oregon
There are 362 surgical physician assistant records in Oregon.
All 362 in Oregon → Every provider in Portland → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Amy Biedenbach, MS, PA-CPortland, OR 972391932298429
- Cynthia Britton, PAPortland, OR 972391093764714
- Ileana Esquivel, PA-CPortland, OR 972391861407363
- Amanda Hamilton, PAPortland, OR 972391467524744
- Cathleen Hernandez, PAPortland, OR 972391124088448
- Brookley Holter, PACPortland, OR 972391710968375
- Robert Mangrum, PA-CPortland, OR 972391871546838
- Richard Reed, PAPortland, OR 972391235145723
Common questions
What is Donald Patrick Lilak, PAC's NPI number?
Donald Patrick Lilak, PAC's National Provider Identifier (NPI) is 1659324564, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Patrick Lilak, PAC located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8991. Providers update this record themselves, so call before visiting.
How can I verify Donald Patrick Lilak, PAC's license?
Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Donald Patrick Lilak, PAC prescribe under Medicare Part D?
In 2024, Donald Patrick Lilak, PAC had 220 Medicare Part D claims for 88 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.