Julie Castner, PA
Physician Assistant · Rocklin, CA
Julie Castner, PA is a physician assistant with a practice address in Rocklin, California, and NPI 1508357435, issued on May 26, 2018. Check the license (California PA56505, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julie Castner
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA56505 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3104 Sunset Blvd Ste 2B, Rocklin, CA 95677
- Phone
- (916) 624-0300
- Enumerated
- May 26, 2018
- Record last updated
- Oct 18, 2023
- Medicare enrollment
- Enrolled (PECOS I20190507000108); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 3104 Sunset Blvd Ste 2B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michelle Thuy VI Do, MDFamily Medicine Physician1922680537
- Camille Fletchall, PA-CMedical Physician Assistant1790603538
- Michelle GeertsPhysician Assistant1396415188
- Stephanie McCullough, PA-CPhysician Assistant1497500995
Verify Julie Castner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA56505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average physician assistant in 2024
2,206 Medicare Part D claims for 450 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 84 claims were for opioids.
Most prescribed
- Levothyroxine Sodium103 claims
- Atorvastatin Calcium92 claims
- Amlodipine Besylate71 claims
- Lisinopril53 claims
- Cyclobenzaprine Hcl46 claims
- Losartan Potassium46 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: $2,267.09
127 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.
Bills Medicare through one group practice
- Rocklin Family Practice And Sports MedicineRocklin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie Castner among 14,451 physician assistant records in California
Julie Castner, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 52% of them.
- NPI issued2018 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2018 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 40% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 physician assistant records list a practice address in Rocklin
They are 20 of the 1,575 NPPES records with a practice address in Rocklin, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Rocklin → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Meaghan Berglund, PARocklin, CA 956771235207143
- Dennis Blaine, PACRocklin, CA 956771457443368
- Nataliya Dorofeyev, PA-CRocklin, CA 956771346134699
- Aspen FernandoRocklin, CA 956771013782150
- Michelle GeertsRocklin, CA 956771396415188
- Stephanie McCullough, PA-CRocklin, CA 956771497500995
- Bruce Roe, PACRocklin, CA 956771356433262
- Sue Wissler, PACRocklin, CA 956771811089725
Common questions
What is Julie Castner, PA's NPI number?
Julie Castner, PA's National Provider Identifier (NPI) is 1508357435, issued on May 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Julie Castner, PA located?
The NPPES record lists a practice address at 3104 Sunset Blvd Ste 2B, Rocklin, CA, 95677. Phone: (916) 624-0300. Providers update this record themselves, so call before visiting.
How can I verify Julie Castner, PA's license?
NPPES lists California license number PA56505, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Julie Castner, PA prescribe under Medicare Part D?
In 2024, Julie Castner, PA had 2,206 Medicare Part D claims for 450 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.