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Dr. Joseph Villarreal, MD
NPI1003229436
- Medicare services, 2018
- 23
- Part D claims, 2019
- 40
- Publications
- 2
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 3350 La Jolla Village Dr, San Diego, CA 92161
- Practice phone
- Call (702) 341-3020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jennifer Moreno VA Medical Center
San Diego, California
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Dr. Joseph Villarreal is an emergency medicine physician in San Diego, California
Dr. Villarreal practices at Jennifer Moreno VA Medical Center in San Diego, California.
Dr. Villarreal's NPI, 1003229436, was assigned on June 3, 2014. Dr. Villarreal graduated from UC San Diego School of Medicine in 2014. Dr. Villarreal holds California license A141108.
NPI and contact details
- NPI
- 1003229436NPI Registry (opens in a new tab)
- NPI enumeration date
- June 3, 2014
- NPI status
- Active
- Practice phone
- (702) 341-3020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Joseph Villarreal practices at Jennifer Moreno VA Medical Center in San Diego, California
Dr. Villarreal's primary practice is Jennifer Moreno VA Medical Center, at 3350 La Jolla Village Dr, San Diego, CA 92161 in San Diego County. The practice phone is (702) 341-3020.
- Jennifer Moreno VA Medical Center3350 La Jolla Village Dr, San Diego, CA 92161 · San Diego CountyPhone(702) 341-3020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joseph Villarreal is affiliated with 2 sites of care and 2 medical groups
Dr. Villarreal's primary practice is Jennifer Moreno VA Medical Center in San Diego, California. Dr. Villarreal is also affiliated with UCI Health - Orange. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Villarreal to 1 more medical group, named with a free account.
Jennifer Moreno VA Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Villarreal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Villarreal practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jennifer Moreno VA Medical Center | 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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Dr. Joseph Villarreal is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Villarreal's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Villarreal is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Villarreal is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Villarreal
Counts of emergency medicine physicians 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
Dr. Joseph Villarreal billed Medicare for 23 services in 2018
CMS data shows 23 Medicare services from Dr. Villarreal across 1 procedure code in 2018. Medicare paid $2,962 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201823
Paid by Medicare$2,962
Procedure codes1
Dr. Villarreal compared with the California median for emergency medicine physicians, 2018
- Dr. Villarreal
- California median
- Medicare services
- 23vs 26591% below
- Part D claims
- 40vs 6235% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Villarreal's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Villarreal and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Villarreal's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. Villarreal's median patient age at 46, with 36% women.
Dr. Villarreal'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
- Women36%
- Men64%
Source: Dmand AI Patient Panel Data
Dr. Joseph Villarreal wrote 40 Medicare Part D claims in 2019
In 2019, Dr. Villarreal wrote 40 Medicare Part D claims. They cover 3 drugs, with $364 in total drug cost. In 2018, CMS named 43 claims across 3 drugs.
Part D claims, 201940
Drugs named by CMS3
Total drug cost$364
Dr. Villarreal's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 432019: 407%
Drugs named by CMS: 3 in 2019, 3 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Joseph Villarreal has 2 publications on record
Dmand AI links 2 papers to Dr. Villarreal, published from 2014 to 2015. Dr. Villarreal's most frequent co-authors are Richard F. Clark, MD, James Dunford, MD and Christopher A. Kahn, MD.
Papers2
Years published2014 to 2015
Dr. Villarreal's most frequent co-authors
- Richard F. Clark, MD2 shared papers
- James Dunford, MD2 shared papers
- Christopher A. Kahn, MD2 shared papers
Recent publications by Dr. Villarreal
See who Dr. Villarreal researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Villarreal works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joseph Villarreal graduated from UC San Diego School of Medicine
Dr. Villarreal graduated from UC San Diego School of Medicine in 2014.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Villarreal'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Joseph Villarreal
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joseph Villarreal's NPI number?
Dr. Joseph Villarreal's NPI number is 1003229436. It was assigned on June 3, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Villarreal?
Dr. Joseph Villarreal is an emergency medicine physician in San Diego, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Joseph Villarreal practice?
Dr. Villarreal practices at 3350 La Jolla Village Dr, San Diego, CA 92161. Dr. Villarreal's primary practice is Jennifer Moreno VA Medical Center in San Diego, California. Dmand AI also links Dr. Villarreal to 1 medical group.
What is Dr. Joseph Villarreal's office phone number?
The practice phone on file for Dr. Villarreal is (702) 341-3020.
What is Dr. Joseph Villarreal's medical license number?
Dr. Villarreal holds California license A141108.
Which hospitals is Dr. Joseph Villarreal affiliated with?
Dr. Villarreal is affiliated with UCI Health - Orange.
What medical group is Dr. Joseph Villarreal part of?
Dr. Villarreal is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Villarreal to 1 more medical group.
Does Dr. Joseph Villarreal accept Medicare?
Yes. CMS data shows Dr. Villarreal billed Medicare for 23 services in 2018.
Is Dr. Joseph Villarreal board certified?
Yes. Dr. Villarreal is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Joseph Villarreal bill to Medicare?
In 2018, Dr. Villarreal's most billed Medicare services were emergency department visit (99285).
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Where did Dr. Joseph Villarreal go to medical school?
Dr. Villarreal graduated from UC San Diego School of Medicine in 2014.
What drugs does Dr. Joseph Villarreal prescribe most?
In 2019 Medicare Part D data, Dr. Villarreal's most prescribed drugs by claims were Cephalexin, Hydrocodone-Acetaminophen and Azithromycin.
How long has Dr. Joseph Villarreal been practicing?
Dr. Villarreal graduated from medical school in 2014, 12 years ago.
Does Dr. Joseph Villarreal do research?
Dmand AI links 2 publications to Dr. Villarreal, published from 2014 to 2015.
Who does Dr. Joseph Villarreal publish with?
Dr. Villarreal's most frequent co-authors are Richard F. Clark, MD (2 shared papers), James Dunford, MD (2 shared papers) and Christopher A. Kahn, MD (2 shared papers).
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