Allie Brooke Casto, PA-C
Physician Assistant · Kirkland, WA
Allie Brooke Casto, PA-C is a physician assistant with a practice address in Kirkland, Washington, and NPI 1275099095, issued on Feb 17, 2019. Check the license (Washington PA61046666, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Allie Brooke Casto
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA61046666 WA
61046666 WA
Self-reported in NPPES; status is on the state search - Practice location
- 12040 NE 128TH St, Kirkland, WA 98034
- Phone
- (425) 441-2600
- Enumerated
- Feb 17, 2019
- Record last updated
- Jun 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200828002371); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 12040 NE 128TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Addison, M.D.Internal Medicine Physician1245573385
- Ziad Alsoufi, MDHospitalist Physician1760652648
- Kathleen AmbielliPharmacist1407612526
- Kevin AntoineOccupational Therapist1528896586
- Warren Appleton, M.D.Emergency Medicine Physician1700831591
- Seth Arlow, MDAnesthesiology Physician1891749586
Verify Allie Brooke Casto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA61046666Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average physician assistant in 2024
299 Medicare Part D claims for 89 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Letrozole79 claims
- Tamoxifen Citrate31 claims
- Anastrozole14 claims
- Zarxio13 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.
The MIPS final score for 2023 (Medicare payment program): 83.8 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
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
39 physician assistant records list a practice address in Kirkland
They are 39 of the 3,404 NPPES records with a practice address in Kirkland, and 3,718 physician assistant records in Washington.
All 39 in Kirkland → All 3,718 in Washington → Every provider in Kirkland →
Other physician assistant records in Washington
- Eric Abarr, PA-CMarysville, WA1598655292
- Ahmed Abdelshafy, PA-CCheney, WA1457029795
- Sihaam AbdiShoreline, WA1801758289
- Nicole Abdullah, PAWenatchee, WA1285032268
- Kimberly Abella-Cree, PA-CYakima, WA1548514292
- Buddhika AbeyratneOak Harbor, WA1104369560
- Danielle Abrass, PA-CSeattle, WA1184140717
- Abraham Abu, PA-CSeattle, WA1710036587
- Alvin AbuegEverett, WA1396132015
- Aaron Adam, PA-CVancouver, WA1447543459
Common questions
What is Allie Brooke Casto, PA-C's NPI number?
Allie Brooke Casto, PA-C's National Provider Identifier (NPI) is 1275099095, issued on Feb 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Allie Brooke Casto, PA-C located?
The NPPES record lists a practice address at 12040 NE 128TH St, Kirkland, WA, 98034. Phone: (425) 441-2600. Providers update this record themselves, so call before visiting.
How can I verify Allie Brooke Casto, PA-C's license?
NPPES lists Washington license number PA61046666, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Allie Brooke Casto, PA-C prescribe under Medicare Part D?
In 2024, Allie Brooke Casto, PA-C had 299 Medicare Part D claims for 89 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Allie Brooke Casto, PA-C's MIPS final score?
The 2023 MIPS final score is 83.8 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.