Cynthia Castillo, FNP-C
- Part D claims, 2024
- 716
- Hospital affiliations
- 2
- Industry payments
- $18
- Medical groups
- 2
- State license
- 1
- Practice address
- 31700 Temecula Pkwy, Temecula, CA 92592
- Practice phone
- Call (951) 331-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Cynthia 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.
Cynthia Castillo is a family nurse practitioner in Temecula, California
Cynthia Castillo practices at Temecula Valley Hospital in Temecula, California, part of Universal Health Services.
Cynthia Castillo's NPI, 1699429704, was assigned on February 8, 2022. Cynthia Castillo holds California license 95022514.
- NPI
- 1699429704NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345611265
- NPI enumeration date
- February 8, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 331-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cynthia Castillo practices at Temecula Valley Hospital in Temecula, California
Cynthia Castillo's primary practice is Temecula Valley Hospital, at 31700 Temecula Pkwy, Temecula, CA 92592 in Riverside County. The practice phone is (951) 331-2200.
- Temecula Valley Hospital31700 Temecula Pkwy, Temecula, CA 92592 · Riverside CountyPhone(951) 331-2200
Source: Dmand AI Affiliation Data
Cynthia Castillo is affiliated with 2 sites of care and 2 medical groups
Cynthia Castillo's primary practice is Temecula Valley Hospital in Temecula, California, part of Universal Health Services. Cynthia Castillo is also affiliated with Southwest Healthcare Rancho Springs Hospital. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Cynthia Castillo to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Cynthia Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cynthia Castillo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Temecula Valley Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Cynthia Castillo is one of 13,532 family nurse practitioners in California
Family is Cynthia Castillo's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Cynthia Castillo is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Cynthia Castillo
Counts of family 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
Cynthia Castillo's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Cynthia Castillo's median patient age at 75, with 53% women.
Cynthia 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 75
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Cynthia Castillo wrote 716 Medicare Part D claims in 2024
In 2024, Cynthia Castillo wrote 716 Medicare Part D claims for 297 patients. 87% of them were for generic drugs. CMS names the drug for 428 of them, across 17 drugs with 11 or more claims each, at $26,504 in total drug cost.
Cynthia Castillo's Part D claims by kind of drug, 2024
- Generic622 claims87%
- Brand-name and other94 claims13%
Cynthia Castillo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Cynthia Castillo's Part D claims, 2024
- Opioids4%30 of 716 claims
- Antibiotics20%142 of 716 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Cynthia Castillo takes part in Medicare
Cynthia 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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Cynthia Castillo received $18 in industry payments in 2024
CMS Open Payments shows 1 general payment to Cynthia Castillo from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $18.
Companies that paid Cynthia Castillo the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Cynthia 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 and Drug (CMS) (opens in a new tab)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 Cynthia 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 Cynthia Castillo's NPI number?
Cynthia Castillo's NPI number is 1699429704. It was assigned on February 8, 2022, and it is active in the NPI Registry.
What does Cynthia Castillo specialize in?
Cynthia Castillo is a family nurse practitioner in Temecula, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Cynthia Castillo practice?
Cynthia Castillo practices at 31700 Temecula Pkwy, Temecula, CA 92592. Cynthia Castillo's primary practice is Temecula Valley Hospital in Temecula, California, part of Universal Health Services. Dmand AI also links Cynthia Castillo to 1 medical group.
What is Cynthia Castillo's office phone number?
The practice phone on file for Cynthia Castillo is (951) 331-2200.
What is Cynthia Castillo's medical license number?
Cynthia Castillo holds California license 95022514.
Which hospitals is Cynthia Castillo affiliated with?
Cynthia Castillo practices at Temecula Valley Hospital in Temecula, California. Cynthia Castillo is also affiliated with Southwest Healthcare Rancho Springs Hospital.
What medical group is Cynthia Castillo part of?
Cynthia Castillo is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Cynthia Castillo to 1 more medical group.
Does Cynthia Castillo accept Medicare?
Yes. CMS lists Cynthia Castillo as accepting Medicare assignment.
What drugs does Cynthia Castillo prescribe most?
In 2024 Medicare Part D data, Cynthia Castillo's most prescribed drugs by claims were Clopidogrel, Levofloxacin and Pantoprazole Sodium.
Has Cynthia Castillo received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Cynthia Castillo from 1 company from 2024 to 2024. The largest total came from GlaxoSmithKline, LLC.
How long has Cynthia Castillo been practicing?
Cynthia Castillo graduated from medical school in 2022, 4 years ago.
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