Roger E. Castillo, PA-C
- Part D claims, 2024
- 417
- Hospital affiliations
- 1
- Industry payments
- $25
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 500 W Hospital Road, French Camp, CA 95231
- Practice phone
- Call (209) 468-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Roger Castillo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Roger E. Castillo is a physician assistant in French Camp, California
Roger Castillo practices at San Joaquin General Hospital in French Camp, California, part of County of San Joaquin.
Roger Castillo's NPI, 1134235773, was assigned on August 23, 2006. Roger Castillo holds California license PA55863.
- NPI
- 1134235773NPI Registry (opens in a new tab)
- NPI enumeration date
- August 23, 2006
- NPI status
- Active
- Practice phone
- (209) 468-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Roger E. Castillo practices at San Joaquin General Hospital in French Camp, California
Roger Castillo's primary practice is San Joaquin General Hospital, at 500 W Hospital Road, French Camp, CA 95231 in San Joaquin County. The practice phone is (209) 468-6000.
- San Joaquin General Hospital500 W Hospital Road, French Camp, CA 95231 · San Joaquin CountyPhone(209) 468-6000
Source: Dmand AI Affiliation Data
Roger E. Castillo is affiliated with 2 sites of care and 2 medical groups
Roger Castillo's primary practice is San Joaquin General Hospital in French Camp, California, part of County of San Joaquin. The medical group on file is San Joaquin County Behavioral Health Services. Dmand AI also links Roger Castillo to 1 more community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Roger E. Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Roger Castillo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Joaquin General Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Joaquin and 6.2K+ hospitals, with verified contacts in the same login.
Roger E. Castillo is one of 11,482 physician assistants in California
Physician assistant is Roger Castillo's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Roger Castillo's licenses on file in 2 states: California and Montana.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
- Montana license
Physician assistants near Roger Castillo
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Roger E. Castillo's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Roger Castillo's median patient age at 46, with 56% women.
Roger Castillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women56%
- Men43%
Source: Dmand AI Patient Panel Data
Roger E. Castillo wrote 417 Medicare Part D claims in 2024
In 2024, Roger Castillo wrote 417 Medicare Part D claims for 158 patients. 88% of them were for generic drugs.
Roger Castillo's Part D claims by kind of drug, 2024
- Generic365 claims88%
- Brand-name and other52 claims12%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Roger E. Castillo received $25 in industry payments in 2025
CMS Open Payments shows 1 general payment to Roger Castillo from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $25.
Companies that paid Roger Castillo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Roger E. Castillo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Roger E. Castillo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Roger E. Castillo's NPI number?
Roger E. Castillo's NPI number is 1134235773. It was assigned on August 23, 2006, and it is active in the NPI Registry.
What does Roger E. Castillo specialize in?
Roger E. Castillo is a physician assistant in French Camp, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Roger E. Castillo practice?
Roger Castillo practices at 500 W Hospital Road, French Camp, CA 95231. Roger Castillo's primary practice is San Joaquin General Hospital in French Camp, California, part of County of San Joaquin. Dmand AI also links Roger Castillo to 1 community health center and 1 medical group.
What is Roger E. Castillo's office phone number?
The practice phone on file for Roger Castillo is (209) 468-6000.
What is Roger E. Castillo's medical license number?
Roger Castillo holds California license PA55863, one of the licenses on file in 2 states.
Which states has Roger E. Castillo been licensed in?
Dmand AI has state licenses on file for Roger Castillo in California and Montana.
Which hospitals is Roger E. Castillo affiliated with?
Roger Castillo practices at San Joaquin General Hospital in French Camp, California.
What medical group is Roger E. Castillo part of?
Roger Castillo is linked to San Joaquin County Behavioral Health Services. Dmand AI links Roger Castillo to 1 more medical group.
Has Roger E. Castillo received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Roger Castillo from 1 company from 2025 to 2025. The largest total came from Exact Sciences Corporation.
How long has Roger E. Castillo been practicing?
Roger Castillo graduated from medical school in 1996, 30 years ago.
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