Am J Emerg Med
Emergency MedicineEmergency Service, HospitalInternship and Residency
Dr. Brent Christopher Lorenzen, MD
NPI1013176551
- Medicare services, 2016
- 255
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 82
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Dr. Lorenzen's professional email, personal email and mobile number
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Dr. Brent Christopher Lorenzen is an emergency medicine physician in San Diego, California
Dr. Lorenzen practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Dr. Lorenzen's NPI, 1013176551, was assigned on June 9, 2008. Dr. Lorenzen graduated from Vanderbilt University School Of Medicine in 2008. Dr. Lorenzen holds California license C142802.
NPI and contact details
- NPI
- 1013176551NPI Registry (opens in a new tab)
- NPI enumeration date
- June 9, 2008
- NPI status
- Active
- Practice phone
- (619) 528-5000
- 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 Practice Data
Dr. Brent Christopher Lorenzen practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Dr. Lorenzen's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brent Christopher Lorenzen is affiliated with 2 sites of care and 4 medical groups
Dr. Lorenzen's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dr. Lorenzen is also affiliated with Kaiser Permanente Zion Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Lorenzen to 3 more medical groups, each named with a free account.
Kaiser Permanente San Diego 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. Brent Christopher Lorenzen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lorenzen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brent Christopher Lorenzen is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Lorenzen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lorenzen is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Lorenzen's licenses on file in 4 states: California, Arizona, New Mexico and North Carolina.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Arizona license
- New Mexico license
- North Carolina license
Emergency medicine physicians near Dr. Lorenzen
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. Brent Christopher Lorenzen billed Medicare for 255 services in 2016
CMS data shows 255 Medicare services from Dr. Lorenzen across 5 procedure codes in 2016, for 11 Medicare patients. Medicare paid $18,484 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2016255
Medicare patients11
Paid by Medicare$18,484
Procedure codes5
Dr. Lorenzen's Medicare services by type, 2016
- Office and hospital visits171
- Tests and treatments84
Dr. Lorenzen compared with the California median for emergency medicine physicians, 2016
- Dr. Lorenzen
- California median
- Medicare services
- 255vs 265Close to median
- Medicare patients
- 11vs 24395% below
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Lorenzen's most billed Medicare procedure codes, 2016
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. Lorenzen 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. Brent Christopher Lorenzen treated 11 Medicare patients in 2024, average age 71
CMS counts 11 Medicare patients who saw Dr. Lorenzen in 2024. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lorenzen's median patient age at 45, with 59% women.
Medicare patients, 202411
Average age71
Average risk score1.39
Dr. Lorenzen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brent Christopher Lorenzen wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Lorenzen wrote 82 Medicare Part D claims for 59 patients. 83% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $93 in total drug cost. In 2020, CMS named 11 claims across 1 drug.
Part D claims, 202482
Drugs named by CMS1
Total drug cost$93
Part D patients59
Dr. Lorenzen's Part D claims by kind of drug, 2024
- Generic68 claims83%
- Brand-name14 claims17%
Dr. Lorenzen's most prescribed drugs by claims, 2023
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 Dr. Lorenzen's Part D claims, 2024
- Antibiotics34%28 of 82 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 112023: 11No change
Drugs named by CMS: 1 in 2023, 1 in 2020.
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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Dr. Brent Christopher Lorenzen has 2 publications on record
Dmand AI links 2 papers to Dr. Lorenzen in 2010. The most frequent topics are Emergency Service, Hospital. Dr. Lorenzen's most frequent co-author is Adam Schwartz, MD.
Papers2
Topics Dr. Lorenzen writes about most
- Emergency Service, Hospital
Dr. Lorenzen's most frequent co-authors
Recent publications by Dr. Lorenzen
CaliforniaCOVID-19Emergency Service, Hospital
See who Dr. Lorenzen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lorenzen 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. Brent Christopher Lorenzen received $19 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Lorenzen from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Chiesi USA, Inc. paid the most, $19.
Companies that paid Dr. Lorenzen the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brent Christopher Lorenzen graduated from Vanderbilt University School Of Medicine
Dr. Lorenzen graduated from Vanderbilt University School Of Medicine in 2008. Dr. Lorenzen is a member of AAEM, ACEP and AMIA.
- Medical school
- Board certified in emergency medicine
- Board certified in clinical informatics
Source: Dmand AI Professional Profile Data
Dr. Brent Christopher Lorenzen accepts plans from 3 insurance carriers
Dr. Lorenzen is in network with 3 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Kaiser Permanente. POS plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Kaiser Permanente
Plan types Dr. Lorenzen accepts, by number of carriers
- POS3
- EPO2
- HMO2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Brent Christopher Lorenzen'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Brent Christopher Lorenzen
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. Brent Christopher Lorenzen's NPI number?
Dr. Brent Christopher Lorenzen's NPI number is 1013176551. It was assigned on June 9, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Brent Christopher Lorenzen?
Dr. Brent Christopher Lorenzen 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. Brent Christopher Lorenzen practice?
Dr. Lorenzen practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Dr. Lorenzen's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dmand AI also links Dr. Lorenzen to 3 medical groups.
What is Dr. Brent Christopher Lorenzen's office phone number?
The practice phone on file for Dr. Lorenzen is (619) 528-5000.
What is Dr. Brent Christopher Lorenzen's medical license number?
Dr. Lorenzen holds California license C142802, one of the licenses on file in 4 states.
Which states has Dr. Brent Christopher Lorenzen been licensed in?
Dmand AI has state licenses on file for Dr. Lorenzen in California (2016 to 2026), Arizona (2011 to 2026), New Mexico (2014 to 2026) and North Carolina (2008 to 2011).
Which hospitals is Dr. Brent Christopher Lorenzen affiliated with?
Dr. Lorenzen is affiliated with Kaiser Permanente Zion Medical Center.
What medical group is Dr. Brent Christopher Lorenzen part of?
Dr. Lorenzen is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Lorenzen to 3 more medical groups.
Does Dr. Brent Christopher Lorenzen accept Medicare?
Yes. CMS data shows Dr. Lorenzen billed Medicare for 255 services in 2016.
How many Medicare patients does Dr. Brent Christopher Lorenzen see?
CMS counts 11 Medicare patients who saw Dr. Lorenzen in 2024, with an average age of 71.
Show 9 more questionsShow fewer questions
Is Dr. Brent Christopher Lorenzen board certified?
Yes. Dr. Lorenzen is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Brent Christopher Lorenzen bill to Medicare?
In 2016, Dr. Lorenzen's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Brent Christopher Lorenzen go to medical school?
Dr. Lorenzen graduated from Vanderbilt University School Of Medicine in 2008.
What drugs does Dr. Brent Christopher Lorenzen prescribe most?
In 2023 Medicare Part D data, Dr. Lorenzen's most prescribed drugs by claims were Morphine Sulfate.
Has Dr. Brent Christopher Lorenzen received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Lorenzen from 1 company from 2020 to 2020. The largest total came from Chiesi USA, Inc.
How long has Dr. Brent Christopher Lorenzen been practicing?
Dr. Lorenzen graduated from medical school in 2008, 18 years ago.
Does Dr. Brent Christopher Lorenzen do research?
Dmand AI links 2 publications to Dr. Lorenzen.
Who does Dr. Brent Christopher Lorenzen publish with?
Dr. Lorenzen's most frequent co-authors are Adam Schwartz, MD (1 shared paper).
What insurance does Dr. Brent Christopher Lorenzen accept?
Dr. Lorenzen is in network with 3 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Kaiser Permanente. POS plans come from the most carriers, 3. Check the plan with the practice before a visit.
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