Stephanie Castillo, FNP
- Part D claims, 2024
- 1,785
- Hospital affiliations
- 1
- Industry payments
- $100
- Medical groups
- 4
- State license
- 1
- Practice address
- 300 Prosperity Blvd, Chowchilla, CA 93610
- Practice phone
- Call (559) 665-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chowchilla Health Center
FQHC - Main Site · Chowchilla, California
Find Stephanie 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.
Stephanie Castillo is a nurse practitioner in Chowchilla, California
Stephanie Castillo practices at Chowchilla Health Center in Chowchilla, California.
Stephanie Castillo's NPI, 1083147730, was assigned on April 10, 2017. Stephanie Castillo holds California license 95006442.
- NPI
- 1083147730NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941572960
- NPI enumeration date
- April 10, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 665-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie Castillo practices at Chowchilla Health Center in Chowchilla, California
Stephanie Castillo's primary practice is Chowchilla Health Center, at 300 Prosperity Blvd, Chowchilla, CA 93610 in Madera County. The practice phone is (559) 665-1400.
- Chowchilla Health Center300 Prosperity Blvd, Chowchilla, CA 93610 · Madera CountyPhone(559) 665-1400
Source: Dmand AI Affiliation Data
Stephanie Castillo is affiliated with 3 sites of care and 4 medical groups
Stephanie Castillo's primary practice is Chowchilla Health Center in Chowchilla, California. Stephanie Castillo is also affiliated with Dignity Health - Mercy Medical Center. The medical group on file is Camarena Health. Dmand AI also links Stephanie Castillo to 3 more medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephanie Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Castillo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chowchilla Health Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephanie Castillo is one of 5,983 nurse practitioners in California
Nurse practitioner is Stephanie Castillo's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Stephanie Castillo is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Stephanie Castillo
Counts of nurse practitioners 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
Stephanie Castillo's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Stephanie Castillo's median patient age at 45, with 67% women.
Stephanie 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 45
Patient panel by sex, all payers
- Women67%
- Men32%
Source: Dmand AI Patient Panel Data
Stephanie Castillo wrote 1,785 Medicare Part D claims in 2024
In 2024, Stephanie Castillo wrote 1,785 Medicare Part D claims for 201 patients. 81% of them were for generic drugs.
Stephanie Castillo's Part D claims by kind of drug, 2024
- Generic1,449 claims81%
- Brand-name and other336 claims19%
Drug classes CMS tracks in Stephanie Castillo's Part D claims, 2024
- Antibiotics2%28 of 1,785 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Stephanie Castillo takes part in Medicare
Stephanie Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Stephanie Castillo received $100 in industry payments in 2025
CMS Open Payments shows 7 general payments to Stephanie Castillo from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $76.
Companies that paid Stephanie 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 Stephanie 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Stephanie 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 Stephanie Castillo's NPI number?
Stephanie Castillo's NPI number is 1083147730. It was assigned on April 10, 2017, and it is active in the NPI Registry.
What does Stephanie Castillo specialize in?
Stephanie Castillo is a nurse practitioner in Chowchilla, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Stephanie Castillo practice?
Stephanie Castillo practices at 300 Prosperity Blvd, Chowchilla, CA 93610. Stephanie Castillo's primary practice is Chowchilla Health Center in Chowchilla, California. Dmand AI also links Stephanie Castillo to 3 medical groups and 1 community health center.
What is Stephanie Castillo's office phone number?
The practice phone on file for Stephanie Castillo is (559) 665-1400.
What is Stephanie Castillo's medical license number?
Stephanie Castillo holds California license 95006442.
Which hospitals is Stephanie Castillo affiliated with?
Stephanie Castillo is affiliated with Dignity Health - Mercy Medical Center.
What medical group is Stephanie Castillo part of?
Stephanie Castillo is linked to Camarena Health. Dmand AI links Stephanie Castillo to 3 more medical groups.
Does Stephanie Castillo accept Medicare?
Yes. CMS lists Stephanie Castillo as accepting Medicare assignment.
Has Stephanie Castillo received payments from drug or device companies?
CMS Open Payments shows $100 in general payments to Stephanie Castillo from 2 companies from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has Stephanie Castillo been practicing?
Stephanie Castillo graduated from medical school in 2016, 10 years ago.
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