Anesthesiology
Abnormalities, MultipleAnesthesia, CaudalAnesthesia, Epidural
Dr. Patrick D. Demars, MD
NPI1235123753
- Part D claims, 2024
- 15
- Publications
- 2
- Industry payments
- $122
- Medical groups
- 2
- Insurance carriers
- 1
- Practice address
- 4301 Lost Hills Rd, Agoura Hills, CA 91301
- Practice phone
- Call (713) 442-6754
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Laboratory Corporation of America
Agoura Hills, California
Find Dr. Demars' professional email, personal email and mobile number
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Dr. Patrick D. Demars is an anesthesiologist in Agoura Hills, California
Dr. Demars practices at Laboratory Corporation of America in Agoura Hills, California.
Dr. Demars' NPI, 1235123753, was assigned on September 12, 2005. Dr. Demars graduated from University Of Minnesota Medical School in 1981. Dr. Demars holds Washington license MD60198039.
NPI and contact details
- NPI
- 1235123753NPI Registry (opens in a new tab)
- NPI enumeration date
- September 12, 2005
- NPI status
- Active
- Practice phone
- (713) 442-6754
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Patrick D. Demars practices at Laboratory Corporation of America in Agoura Hills, California
Dr. Demars' primary practice is Laboratory Corporation of America, at 4301 Lost Hills Rd, Agoura Hills, CA 91301 in Los Angeles County. The practice phone is (713) 442-6754.
- Laboratory Corporation of America4301 Lost Hills Rd, Agoura Hills, CA 91301 · Los Angeles CountyPhone(713) 442-6754
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Patrick D. Demars is affiliated with 1 site of care and 2 medical groups
Dr. Demars' primary practice is Laboratory Corporation of America in Agoura Hills, California. The medical group on file is Shriners Hospitals For Children. Dmand AI also links Dr. Demars to 1 more medical group, named with a free account.
Laboratory Corporation of AmericaPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Patrick D. Demars' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demars practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Laboratory Corporation of America | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Patrick D. Demars is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Demars' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Demars is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Demars' licenses on file in 7 states: Washington, California, Idaho, Texas, Minnesota, Tennessee and Nebraska.
Specialties and state licenses
- Anesthesiology, WashingtonPrimary
- California license
- Idaho license
- Texas license
- Minnesota license
- Tennessee license
- Nebraska license
Anesthesiologists near Dr. Demars
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California
2anesthesiologists in Agoura Hills
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Patrick D. Demars' patients have a median age of 21
Across all payers, Dmand AI patient panel data puts Dr. Demars' median patient age at 21, with 0% women.
Dr. Demars' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 21
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Patrick D. Demars wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Demars wrote 15 Medicare Part D claims. 100% of them were for generic drugs.
Part D claims, 202415
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Patrick D. Demars has 2 publications on record
Dmand AI links 2 papers to Dr. Demars.
Papers2
Recent publications by Dr. Demars
Anesthesia, SpinalAnesthetics, LocalBlood Pressure
See who Dr. Demars researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Demars works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Patrick D. Demars received $122 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Demars from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. AcelRx Pharmaceuticals, Inc. paid the most, $122.
Companies that paid Dr. Demars the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Patrick D. Demars graduated from University Of Minnesota Medical School
Dr. Demars graduated from University Of Minnesota Medical School in 1981.
- Medical school
- Board certified in anesthesiology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Patrick D. Demars accepts plans from 1 insurance carrier
Dr. Demars is in network with 1 carrier, including WI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- WI State Medicaid
Source: Dmand AI Insurance Network Data
Sources for Dr. Patrick D. Demars'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 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 |
| 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. Patrick D. Demars
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. Patrick D. Demars' NPI number?
Dr. Patrick D. Demars' NPI number is 1235123753. It was assigned on September 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick D. Demars?
Dr. Patrick D. Demars is an anesthesiologist in Agoura Hills, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Patrick D. Demars practice?
Dr. Demars practices at 4301 Lost Hills Rd, Agoura Hills, CA 91301. Dr. Demars' primary practice is Laboratory Corporation of America in Agoura Hills, California. Dmand AI also links Dr. Demars to 1 medical group.
What is Dr. Patrick D. Demars' office phone number?
The practice phone on file for Dr. Demars is (713) 442-6754.
What is Dr. Patrick D. Demars' medical license number?
Dr. Demars holds Washington license MD60198039, one of the licenses on file in 7 states.
Which states has Dr. Patrick D. Demars been licensed in?
Dmand AI has state licenses on file for Dr. Demars in Washington (2010 to 2026), California (1986 to 2026), Idaho (2019 to 2020), Texas (2018 to 2019), Minnesota (2016 to 2018), Tennessee (2017 to 2018) and Nebraska (2005 to 2012).
What medical group is Dr. Patrick D. Demars part of?
Dr. Demars is linked to Shriners Hospitals For Children. Dmand AI links Dr. Demars to 1 more medical group.
Is Dr. Patrick D. Demars board certified?
Yes. Dr. Demars is board certified in anesthesiology by the American Board of Anesthesiology.
Where did Dr. Patrick D. Demars go to medical school?
Dr. Demars graduated from University Of Minnesota Medical School in 1981.
Has Dr. Patrick D. Demars received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Dr. Demars from 1 company from 2019 to 2019. The largest total came from AcelRx Pharmaceuticals, Inc.
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How long has Dr. Patrick D. Demars been practicing?
Dr. Demars graduated from medical school in 1981, 45 years ago.
Does Dr. Patrick D. Demars do research?
Dmand AI links 2 publications to Dr. Demars.
What insurance does Dr. Patrick D. Demars accept?
Dr. Demars is in network with 1 carrier, including WI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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