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Jonathan Stephen Warren
NPI1164059564
- Part D claims, 2024
- 17
- Publications
- 1
- Hospital affiliations
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 14445 Olive View Drive, Sylmar, CA 91342
- Practice phone
- Call (818) 364-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jonathan Warren'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.
Jonathan Stephen Warren is an emergency medicine physician in Sylmar, California
Jonathan Warren practices at Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles.
Jonathan Warren's NPI, 1164059564, was assigned on March 25, 2020. Jonathan Warren graduated from David Geffen School of Medicine at UCLA in 2020. Jonathan Warren holds California license A180610.
NPI and contact details
- NPI
- 1164059564NPI Registry (opens in a new tab)
- NPI enumeration date
- March 25, 2020
- NPI status
- Active
- Practice phone
- (818) 364-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Jonathan Stephen Warren practices at Olive View-UCLA Medical Center in Sylmar, California
Jonathan Warren's primary practice is Olive View-UCLA Medical Center, at 14445 Olive View Drive, Sylmar, CA 91342 in Los Angeles County. The practice phone is (818) 364-1555.
- Olive View-UCLA Medical Center14445 Olive View Drive, Sylmar, CA 91342 · Los Angeles CountyPhone(818) 364-1555
Source: Dmand AI Affiliation Data
Jonathan Stephen Warren is affiliated with 2 sites of care and 1 medical group
Jonathan Warren's primary practice is Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles. Jonathan Warren is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Emergency Medicine. Jonathan Warren's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jonathan Stephen Warren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jonathan Warren practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Olive View-UCLA Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Jonathan Stephen Warren is one of 7,423 emergency medicine physicians in California
Emergency medicine is Jonathan Warren's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Jonathan Warren is board certified in internal medicine by the American Board of Internal Medicine. Jonathan Warren is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Jonathan Warren
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
7,423emergency medicine physicians in California35emergency medicine physicians in Sylmar34emergency medicine physicians at Olive View-UCLA Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Jonathan Stephen Warren's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Jonathan Warren's median patient age at 46, with 49% women.
Jonathan Warren'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
- Women49%
- Men50%
Source: Dmand AI Patient Panel Data
Jonathan Stephen Warren wrote 17 Medicare Part D claims in 2024
In 2024, Jonathan Warren wrote 17 Medicare Part D claims for 13 patients. 76% of them were for generic drugs.
Part D claims, 202417
Part D patients13
Jonathan Warren's Part D claims by kind of drug, 2024
- Generic13 claims76%
- Brand-name and other4 claims24%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Jonathan Stephen Warren has 1 publication on record
Dmand AI links 1 paper to Jonathan Warren in 2023. Jonathan Warren's most frequent co-authors are Amanda J. Deutsch, MD and Ryan David Pappal.
Papers1
Jonathan Warren's most frequent co-authors
Recent publications by Jonathan Warren
See who Jonathan Warren researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Jonathan Warren 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
Jonathan Stephen Warren graduated from David Geffen School of Medicine at UCLA
Jonathan Warren graduated from David Geffen School of Medicine at UCLA in 2020.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Jonathan Stephen Warren'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) |
| 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 Jonathan Stephen Warren
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jonathan Stephen Warren's NPI number?
Jonathan Stephen Warren's NPI number is 1164059564. It was assigned on March 25, 2020, and it is active in the NPI Registry.
What does Jonathan Stephen Warren specialize in?
Jonathan Stephen Warren is an emergency medicine physician in Sylmar, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Jonathan Stephen Warren practice?
Jonathan Warren practices at 14445 Olive View Drive, Sylmar, CA 91342. Jonathan Warren's primary practice is Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles.
What is Jonathan Stephen Warren's office phone number?
The practice phone on file for Jonathan Warren is (818) 364-1555.
What is Jonathan Stephen Warren's medical license number?
Jonathan Warren holds California license A180610.
Which hospitals is Jonathan Stephen Warren affiliated with?
Jonathan Warren practices at Olive View-UCLA Medical Center in Sylmar, California. Jonathan Warren is also affiliated with Ronald Reagan UCLA Medical Center.
What medical group is Jonathan Stephen Warren part of?
Jonathan Warren is linked to UCLA Emergency Medicine.
Is Jonathan Stephen Warren board certified?
Yes. Jonathan Warren is board certified in internal medicine by the American Board of Internal Medicine.
Where did Jonathan Stephen Warren go to medical school?
Jonathan Warren graduated from David Geffen School of Medicine at UCLA in 2020.
How long has Jonathan Stephen Warren been practicing?
Jonathan Warren graduated from medical school in 2020, 6 years ago.
Does Jonathan Stephen Warren do research?
Dmand AI links 1 publication to Jonathan Warren.
Who does Jonathan Stephen Warren publish with?
Jonathan Warren's most frequent co-authors are Amanda J. Deutsch, MD (1 shared paper) and Ryan David Pappal (1 shared paper).
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