Dr. Warren Bryan Chow, MD
- Part D claims, 2016
- 29
- Publications
- 3
- Hospital affiliations
- 1
- Industry payments
- $20,179
- Insurance carriers
- 6
- 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 Dr. Chow'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.
Dr. Warren Bryan Chow is a vascular surgeon in Sylmar, California
Dr. Chow practices at Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles.
Dr. Chow's NPI, 1457689283, was assigned on December 7, 2009. Dr. Chow graduated from David Geffen School of Medicine at UCLA in 2008. Dr. Chow's Washington license number on file is 60757701.
- NPI
- 1457689283NPI Registry (opens in a new tab)
- NPI enumeration date
- December 7, 2009
- 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
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Warren Bryan Chow practices at Olive View-UCLA Medical Center in Sylmar, California
Dr. Chow'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
Dr. Warren Bryan Chow is affiliated with 1 site of care
Dr. Chow's primary practice is Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles. Dr. Chow'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 Dr. Warren Bryan Chow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chow practices. 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 |
Source: Dmand AI Technology Install Data
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Dr. Warren Bryan Chow is one of 532 vascular surgeons in California
Vascular surgery is Dr. Chow's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Chow is board certified in vascular surgery by the American Board of Surgery. Dmand AI has Dr. Chow's licenses on file in 3 states: Washington, California and Illinois.
Specialties and state licenses
- Vascular surgery, WashingtonPrimary
- Surgery, California
- Illinois license
Vascular surgeons near Dr. Chow
Counts of vascular surgeons 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. Warren Bryan Chow's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Chow's median patient age at 65, with 33% women.
Dr. Chow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Warren Bryan Chow wrote 29 Medicare Part D claims in 2016
In 2016, Dr. Chow wrote 29 Medicare Part D claims. They cover 2 drugs, with $362 in total drug cost.
Dr. Chow's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Warren Bryan Chow has 3 publications on record
Dmand AI links 3 papers to Dr. Chow in 2020. Dr. Chow's most frequent co-author is Matthew P. Sweet, MD.
Dr. Chow's most frequent co-authors
Recent publications by Dr. Chow
See who Dr. Chow researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chow works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Warren Bryan Chow received $20,179 in industry payments from 2016 to 2025
CMS Open Payments shows 148 general payments to Dr. Chow from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 45% of the total. Medtronic Vascular, Inc. paid the most, $9,385.
General payments to Dr. Chow by program year, 2016 to 2025
General payments to Dr. Chow by kind, 2016 to 2025
- Food and beverage$9,00345%
- Grants$7,50037%
- Travel and lodging$3,28916%
- Education$3572%
- Speaker and faculty fees$290%
Companies that paid Dr. Chow the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Warren Bryan Chow graduated from David Geffen School of Medicine at UCLA
Dr. Chow graduated from David Geffen School of Medicine at UCLA in 2008. Dr. Chow is a member of ACS.
- Medical school
- Board certified in vascular surgery
Source: Dmand AI Professional Profile Data
Dr. Warren Bryan Chow accepts plans from 6 insurance carriers
Dr. Chow is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- AK State Medicaid
- Elevance
Plan types Dr. Chow accepts, by number of carriers
- PPO5
- Medicare4
- HMO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Warren Bryan Chow'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Warren Bryan Chow
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. Warren Bryan Chow's NPI number?
Dr. Warren Bryan Chow's NPI number is 1457689283. It was assigned on December 7, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Warren Bryan Chow?
Dr. Warren Bryan Chow is a vascular surgeon in Sylmar, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Warren Bryan Chow practice?
Dr. Chow practices at 14445 Olive View Drive, Sylmar, CA 91342. Dr. Chow's primary practice is Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles.
What is Dr. Warren Bryan Chow's office phone number?
The practice phone on file for Dr. Chow is (818) 364-1555.
What is Dr. Warren Bryan Chow's medical license number?
Dr. Chow's Washington license number on file is 60757701, one of the licenses on file in 3 states.
Which states has Dr. Warren Bryan Chow been licensed in?
Dmand AI has state licenses on file for Dr. Chow in Washington (2017 to 2024), California (2009 to 2025) and Illinois (2010 to 2014).
Which hospitals is Dr. Warren Bryan Chow affiliated with?
Dr. Chow practices at Olive View-UCLA Medical Center in Sylmar, California.
Is Dr. Warren Bryan Chow board certified?
Yes. Dr. Chow is board certified in vascular surgery by the American Board of Surgery.
Where did Dr. Warren Bryan Chow go to medical school?
Dr. Chow graduated from David Geffen School of Medicine at UCLA in 2008.
What drugs does Dr. Warren Bryan Chow prescribe most?
In 2016 Medicare Part D data, Dr. Chow's most prescribed drugs by claims were Clopidogrel and Hydrocodone-Acetaminophen.
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Has Dr. Warren Bryan Chow received payments from drug or device companies?
CMS Open Payments shows $20,179 in general payments to Dr. Chow from 13 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Warren Bryan Chow been practicing?
Dr. Chow graduated from medical school in 2008, 18 years ago.
Does Dr. Warren Bryan Chow do research?
Dmand AI links 3 publications to Dr. Chow.
Who does Dr. Warren Bryan Chow publish with?
Dr. Chow's most frequent co-authors are Matthew P. Sweet, MD (1 shared paper).
What insurance does Dr. Warren Bryan Chow accept?
Dr. Chow is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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