Joseph Castro
Physician Assistant · Bellevue, WA
Joseph Castro is a physician assistant with a practice address in Bellevue, Washington, and NPI 1609446236, issued on Jun 27, 2021. Check the license (Washington 61226668, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Castro
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 61226668 WA
Self-reported in NPPES; status is on the state search - Practice location
- 14450 NE 29TH PL Ste 230, Bellevue, WA 98007
- Phone
- (425) 998-7884
- Enumerated
- Jun 27, 2021
- Record last updated
- Jan 14, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 14450 NE 29TH PL Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bowers, MDPain Medicine Physician1114217908
Verify Joseph Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 61226668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average physician assistant in 2024
4,214 Medicare Part D claims for 421 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 2,542 claims were for opioids.
Most prescribed
- Oxycodone Hcl1,234 claims
- Hydrocodone-Acetaminophen319 claims
- Oxycodone-Acetaminophen231 claims
- Tizanidine Hcl195 claims
- Methadone Hcl185 claims
- Gabapentin184 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: $727.15
31 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Joseph Castro among 3,718 physician assistant records in Washington
Joseph Castro is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 77% of them.
- NPI issued2021 · 77% of these records are older, 17% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 physician assistant records list a practice address in Bellevue
They are 83 of the 6,738 NPPES records with a practice address in Bellevue, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Bellevue → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Henry Bradbury, PA-C, MPASBellevue, WA 980071609842871
- Nikaela Hemminger, PA-CBellevue, WA 980071134703010
- Cole Kozloff, PA-CBellevue, WA 980071417359415
- Thuy Le, PA-CBellevue, WA 980071538300256
- Anthony Meador, PA-CBellevue, WA 980071831176395
- Kristeen Budreau, PA-CBellevue, WA 980061164569315
- Mark Damberg, PA-CBellevue, WA 980061952606477
- Ashley Schmaing, PA-CBellevue, WA 980061669839064
Common questions
What is Joseph Castro's NPI number?
Joseph Castro's National Provider Identifier (NPI) is 1609446236, issued on Jun 27, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Castro located?
The NPPES record lists a practice address at 14450 NE 29TH PL Ste 230, Bellevue, WA, 98007. Phone: (425) 998-7884. Providers update this record themselves, so call before visiting.
How can I verify Joseph Castro's license?
NPPES lists Washington license number 61226668, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph Castro prescribe under Medicare Part D?
In 2024, Joseph Castro had 4,214 Medicare Part D claims for 421 beneficiaries; the average among physician assistant prescribers was 830. 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.