Ruben Esparza, PA
- Part D claims, 2024
- 1,269
- Hospital affiliations
- 3
- Industry payments
- $1,130
- Medical group
- 1
- State license
- 1
- Practice address
- 15107 Vanowen St, Vannuys, CA 91405
- Practice phone
- Call (818) 782-6600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ruben Esparza's professional email, personal email and mobile number
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Ruben Esparza is a physician assistant in Vannuys, California
Ruben Esparza practices at Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital.
Ruben Esparza's NPI, 1942615877, was assigned on June 30, 2014. Ruben Esparza holds California license 51733.
- NPI
- 1942615877NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2014
- NPI status
- Active
- Practice phone
- (818) 782-6600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Ruben Esparza practices at Valley Presbyterian Hospital in Vannuys, California
Ruben Esparza's primary practice is Valley Presbyterian Hospital, at 15107 Vanowen St, Vannuys, CA 91405 in Los Angeles County. The practice phone is (818) 782-6600.
- Valley Presbyterian Hospital15107 Vanowen St, Vannuys, CA 91405 · Los Angeles CountyPhone(818) 782-6600
Source: Dmand AI Affiliation Data
Ruben Esparza is affiliated with 4 sites of care and 1 medical group
Ruben Esparza's primary practice is Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital. The medical group on file is Samuel Dixon Family Health Center. Dmand AI also links Ruben Esparza to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ruben Esparza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ruben Esparza practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Presbyterian Hospital | Available with a free account |
| +3 more affiliated sites | 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 Valley Presbyterian Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Ruben Esparza is one of 2,381 physician assistants in California
Medical is Ruben Esparza's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Ruben Esparza is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Physician assistants near Ruben Esparza
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
Ruben Esparza's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Ruben Esparza's median patient age at 56, with 57% women.
Ruben Esparza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Ruben Esparza wrote 1,269 Medicare Part D claims in 2024
In 2024, Ruben Esparza wrote 1,269 Medicare Part D claims for 115 patients. 82% of them were for generic drugs. CMS names the drug for 886 of them, across 33 drugs with 11 or more claims each, at $137,737 in total drug cost.
Ruben Esparza's Part D claims by kind of drug, 2024
- Generic1,036 claims82%
- Brand-name203 claims16%
- Other30 claims2%
Ruben Esparza'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 Ruben Esparza's Part D claims, 2024
- Opioids2%20 of 1,269 claims
- Antibiotics2%26 of 1,269 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
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Ruben Esparza received $1,130 in industry payments from 2024 to 2025
CMS Open Payments shows 56 general payments to Ruben Esparza from 12 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $281.
General payments to Ruben Esparza by program year, 2024 to 2025
Companies that paid Ruben Esparza the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Ruben Esparza'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) |
| 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 Ruben Esparza
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ruben Esparza's NPI number?
Ruben Esparza's NPI number is 1942615877. It was assigned on June 30, 2014, and it is active in the NPI Registry.
What does Ruben Esparza specialize in?
Ruben Esparza is a physician assistant in Vannuys, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Ruben Esparza practice?
Ruben Esparza practices at 15107 Vanowen St, Vannuys, CA 91405. Ruben Esparza's primary practice is Valley Presbyterian Hospital in Vannuys, California, part of Valley Presbyterian Hospital. Dmand AI also links Ruben Esparza to 2 hospitals and 1 group practice or clinic.
What is Ruben Esparza's office phone number?
The practice phone on file for Ruben Esparza is (818) 782-6600.
What is Ruben Esparza's medical license number?
Ruben Esparza holds California license 51733.
Which hospitals is Ruben Esparza affiliated with?
Ruben Esparza practices at Valley Presbyterian Hospital in Vannuys, California. Dmand AI links Ruben Esparza to 2 more hospitals.
What medical group is Ruben Esparza part of?
Ruben Esparza is linked to Samuel Dixon Family Health Center.
What drugs does Ruben Esparza prescribe most?
In 2024 Medicare Part D data, Ruben Esparza's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Metformin HCl.
Has Ruben Esparza received payments from drug or device companies?
CMS Open Payments shows $1,130 in general payments to Ruben Esparza from 12 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.
How long has Ruben Esparza been practicing?
Ruben Esparza's NPI was assigned in 2014.
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