Dr. Lauren Irene O'Brien, MD
- Medicare services, 2024
- 188
- Medicare patients, 2024
- 133
- Hospital affiliations
- 2
- Industry payments
- $163
- Medical group
- 1
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Brien'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. Lauren Irene O'Brien is a pathologist in Los Angeles, California
Dr. O'Brien practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Dr. O'Brien's NPI, 1689608556, was assigned on July 10, 2006. Dr. O'Brien graduated from Duke University School Of Medicine in 1978. Dr. O'Brien holds California license G46005.
- NPI
- 1689608556NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022201318
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lauren Irene O'Brien practices at Keck Hospital of USC in Los Angeles, California
Dr. O'Brien's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Dr. Lauren Irene O'Brien is affiliated with 4 sites of care and 1 medical group
Dr. O'Brien's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dr. O'Brien is also affiliated with USC Verdugo Hills Hospital. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. O'Brien to 1 more other site and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lauren Irene O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Southern California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Lauren Irene O'Brien is one of 1,354 pathologists in California
Anatomic pathology and clinical pathology is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. O'Brien is board certified in anatomic pathology by the American Board of Pathology. Dmand AI has Dr. O'Brien's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Anatomic pathology and clinical pathology, CaliforniaPrimary
- Pennsylvania license
Pathologists near Dr. O'Brien
Counts of pathologists 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. Lauren Irene O'Brien billed Medicare for 188 services in 2024
CMS data shows 188 Medicare services from Dr. O'Brien across 2 procedure codes in 2024, for 133 Medicare patients. Medicare paid $7,635 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1352024: 18839%
Dr. O'Brien compared with the California median for pathologists, 2024
- Dr. O'Brien
- California median
- Medicare services
- 188vs 1,15384% below
- Medicare patients
- 133vs 44770% below
Medians across 1,094 pathologists in California with Dmand AI profiles that report each measure.
Dr. O'Brien's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. O'Brien?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Brien and other pathologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lauren Irene O'Brien treated 133 Medicare patients in 2024, average age 68
CMS counts 133 Medicare patients who saw Dr. O'Brien in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 58% are also on Medicaid. Their average risk score is 3.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 63, with 47% women.
Dr. O'Brien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. O'Brien's Medicare patients by sex, 2024
- Women7355%
- Men6045%
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease63%
- Arthritis59%
- Chronic kidney disease54%
- Diabetes48%
- Heart failure48%
- Anxiety37%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Lauren Irene O'Brien takes part in Medicare
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Lauren Irene O'Brien received $163 in industry payments from 2018 to 2025
CMS Open Payments shows 2 general payments to Dr. O'Brien from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Davol Inc. paid the most, $148.
General payments to Dr. O'Brien by program year, 2018 to 2025
Companies that paid Dr. O'Brien the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lauren Irene O'Brien graduated from Duke University School Of Medicine
Dr. O'Brien graduated from Duke University School Of Medicine in 1978.
- Medical school
- Board certified in anatomic pathology
- Board certified in blood banking
- Board certified in clinical pathology
Source: Dmand AI Professional Profile Data
Dr. Lauren Irene O'Brien accepts plans from 6 insurance carriers
Dr. O'Brien is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. O'Brien accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lauren Irene O'Brien'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Lauren Irene O'Brien
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. Lauren Irene O'Brien's NPI number?
Dr. Lauren Irene O'Brien's NPI number is 1689608556. It was assigned on July 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lauren Irene O'Brien?
Dr. Lauren Irene O'Brien is a pathologist in Los Angeles, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Lauren Irene O'Brien practice?
Dr. O'Brien practices at 1500 San Pablo Street, Los Angeles, CA 90033. Dr. O'Brien's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Dr. O'Brien to 1 other site and 1 urgent care center.
What is Dr. Lauren Irene O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (323) 442-8656.
What is Dr. Lauren Irene O'Brien's medical license number?
Dr. O'Brien holds California license G46005, one of the licenses on file in 2 states.
Which states has Dr. Lauren Irene O'Brien been licensed in?
Dmand AI has state licenses on file for Dr. O'Brien in California (1981 to 2027) and Pennsylvania (2011 to 2018).
Which hospitals is Dr. Lauren Irene O'Brien affiliated with?
Dr. O'Brien practices at Keck Hospital of USC in Los Angeles, California. Dr. O'Brien is also affiliated with USC Verdugo Hills Hospital.
What medical group is Dr. Lauren Irene O'Brien part of?
Dr. O'Brien is linked to USC Care Medical Group.
Does Dr. Lauren Irene O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 188 services in 2024, and Dr. O'Brien accepts Medicare assignment.
How many Medicare patients does Dr. Lauren Irene O'Brien see?
CMS counts 133 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 68.
Show 6 more questionsShow fewer questions
Is Dr. Lauren Irene O'Brien board certified?
Yes. Dr. O'Brien is board certified in anatomic pathology by the American Board of Pathology.
What services does Dr. Lauren Irene O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were lab and pathology test (86077) and lab and pathology test (86078).
Where did Dr. Lauren Irene O'Brien go to medical school?
Dr. O'Brien graduated from Duke University School Of Medicine in 1978.
Has Dr. Lauren Irene O'Brien received payments from drug or device companies?
CMS Open Payments shows $163 in general payments to Dr. O'Brien from 2 companies from 2018 to 2025. The largest total came from Davol Inc.
How long has Dr. Lauren Irene O'Brien been practicing?
Dr. O'Brien graduated from medical school in 1978, 48 years ago.
What insurance does Dr. Lauren Irene O'Brien accept?
Dr. O'Brien is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
Selling to anatomic pathology and clinical pathology practices?
See pathologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card