Aaron Louis Isaac, PA C
Medical Physician Assistant · Federal Way, WA
Aaron Louis Isaac, PA C is a medical physician assistant with a practice address in Federal Way, Washington, and NPI 1790973923, issued on Oct 12, 2007. Check the license (Washington PA10005219, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Aaron Louis Isaac
- Credential
- PA C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA10005219 WA
Self-reported in NPPES; status is on the state search - Practice location
- 34515 9TH Ave S, Federal Way, WA 98003
- Phone
- (253) 944-8100
- Enumerated
- Oct 12, 2007
- Record last updated
- Jan 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (253) 944-7922
- Medicaid ID
- 8945483 WA
- Medicare enrollment
- Enrolled (PECOS I20071101000237); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 34515 9TH Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Berhane Asfaw, MDHospitalist Physician1760593057
- Ann Asmussen, DOAnesthesiology Physician1932718079
- Jonathan BarnierAnesthesiology Physician1407233174
Verify Aaron Louis Isaac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10005219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average medical physician assistant in 2024
340 Medicare Part D claims for 224 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 95 claims were for opioids.
Most prescribed
- Oxycodone Hcl69 claims
- Cefdinir28 claims
- Ondansetron Odt26 claims
- Amoxicillin-Clavulanate Potass25 claims
- Cephalexin23 claims
- Hydrocodone-Acetaminophen19 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.
Bills Medicare through one group practice
- Tacoma Emergency Care Physicians PLLCCovington, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Louis Isaac among 1,068 medical physician assistant records in Washington
Aaron Louis Isaac, PA C is one of 1,068 medical physician assistant records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 53% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2007 · median 2013 among the 581 with a school on file
- Record last updated2010 · 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 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Washington
There are 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Federal Way → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Adam Bryant, P.A.-CFederal Way, WA 980031073970844
- Rick Eskenazi, P.A.Federal Way, WA 980031467509653
- Kevin Goodell, PAFederal Way, WA 980031952588725
- Rose Jones, PA-CFederal Way, WA 980031275935553
- Rebekah MacneillFederal Way, WA 980031679713291
- Christopher PrattFederal Way, WA 980031497137889
- Elizabeth Shuckhart, PA-CFederal Way, WA 980031780968883
- Jackie Shuey, PAFederal Way, WA 980031528065265
Common questions
What is Aaron Louis Isaac, PA C's NPI number?
Aaron Louis Isaac, PA C's National Provider Identifier (NPI) is 1790973923, issued on Oct 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Louis Isaac, PA C located?
The NPPES record lists a practice address at 34515 9TH Ave S, Federal Way, WA, 98003. Phone: (253) 944-8100. Providers update this record themselves, so call before visiting.
How can I verify Aaron Louis Isaac, PA C's license?
NPPES lists Washington license number PA10005219, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Aaron Louis Isaac, PA C prescribe under Medicare Part D?
In 2024, Aaron Louis Isaac, PA C had 340 Medicare Part D claims for 224 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.