CD4-Positive T-LymphocytesGene Expression ProfilingHIV-1
Dr. Eric S. Daar, MD
NPI1336119676PAC ID8628265840
- Part D claims, 2024
- 17
- Publications
- 181
- Clinical trials
- 8
- Hospital affiliations
- 1
- Industry payments
- $102,720
- Practice address
- 1000 W Carson St, Torrance, CA 90509
- Practice phone
- Call (310) 222-2345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Daar'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. Eric S. Daar is an infectious disease specialist in Torrance, California
Dr. Daar practices at Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.
Dr. Daar's NPI, 1336119676, was assigned on January 26, 2006. Dr. Daar graduated from Georgetown University School Of Medicine in 1985. Dr. Daar's California license number on file is G58472.
NPI and contact details
- NPI
- 1336119676NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628265840
- NPI enumeration date
- January 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 222-2345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric S. Daar practices at Harbor-UCLA Medical Center in Torrance, California
Dr. Daar's primary practice is Harbor-UCLA Medical Center, at 1000 W Carson St, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 222-2345.
- Harbor-UCLA Medical Center1000 W Carson St, Torrance, CA 90509 · Los Angeles CountyPhone(310) 222-2345
Source: Dmand AI Affiliation Data
Dr. Eric S. Daar is affiliated with 2 sites of care and 1 medical group
Dr. Daar's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Daar to 1 more group practice or clinic, named with a free account. Dr. Daar's employer is on file too: a hospital.
Harbor-UCLA Medical Center1 group practice or clinicName with a free accountEmployer: hospitalName with a free account
See all 3 affiliations for Dr. DaarSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric S. Daar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Daar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harbor-UCLA Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Eric S. Daar is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Daar's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Daar is board certified in internal medicine by the American Board of Internal Medicine. Dr. Daar has a license on file in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Clinical focus
Dmand AI lists liver disease and sepsis among the conditions Dr. Daar treats.
Infectious disease specialists near Dr. Daar
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
1,054infectious disease specialists in California24infectious disease specialists in Torrance10infectious disease specialists at Harbor-UCLA Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Eric S. Daar's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Daar's median patient age at 61, with 27% women.
Dr. Daar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women27%
- Men73%
Source: Dmand AI Patient Panel Data
Dr. Eric S. Daar wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Daar wrote 17 Medicare Part D claims. 88% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $40 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Part D claims, 202417
Drugs named by CMS1
Total drug cost$40
Dr. Daar's Part D claims by kind of drug, 2024
- Generic15 claims88%
- Brand-name and other2 claims12%
Dr. Daar's most prescribed drugs by claims, 2024
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. Daar's Part D claims, 2024
- Opioids65%11 of 17 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 11No change
Drugs named by CMS: 1 in 2024, 1 in 2023.
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
How Dr. Eric S. Daar takes part in Medicare
Dr. Daar 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
Find infectious disease specialists like Dr. Daar by procedure volume and prescribing
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Dr. Eric S. Daar has 181 publications on record
Dmand AI links 181 papers to Dr. Daar, published from 2001 to 2025. 2024 was the busiest year, with 7. The most frequent topics are HIV Infections, HIV-1 and Anti-HIV Agents. Dr. Daar has published most often in J Acquir Immune Defic Syndr. Dr. Daar's most frequent co-authors are Joseph J. Eron, MD, Kara Wei Wei Chew, MD and Roy M. Gulick, MD, MPH.
Papers181
Years published2001 to 2025
Dr. Daar's papers by year, 2016 to 2025
Topics Dr. Daar writes about most
- HIV Infections
- HIV-1
- Anti-HIV Agents
- Viral Load
- RNA, Viral
- CD4 Lymphocyte Count
- Antiretroviral Therapy, Highly Active
- Drug Resistance, Viral
Dr. Daar's most frequent co-authors
- Joseph J. Eron, MD18 shared papers
- Kara Wei Wei Chew, MD14 shared papers
- Roy M. Gulick, MD, MPH12 shared papers
Recent publications by Dr. Daar
See who Dr. Daar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Daar works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric S. Daar has worked on 8 clinical trials
Dmand AI links Dr. Daar to 8 clinical trials, 2 of them phase 4 studies. Conditions studied include HIV Infections, Lentivirus Infections and Patient Compliance. National Institute of Allergy and Infectious Diseases (NIAID) sponsors the most, 3.
Clinical trials with Dr. Daar by phase
- 1Phase 1: 1 trial
- 1Phase 2: 1 trial
- 1Phase 3: 1 trial
- 2Phase 4: 2 trials
Conditions in Dr. Daar's trials
- HIV Infections
- Lentivirus Infections
- Patient Compliance
- Acquired Immunodeficiency Syndrome
- HIV Seropositivity
Investigators on the most trials with Dr. Daar
- Michael P. Dube, MD2 shared trials
- Amy Montague Sitapati, MD1 shared trial
- Maile Ann Young, MD1 shared trial
Recent clinical trials with Dr. Daar
HIV SeropositivityPatient Compliance
CCTG 595: Text Messaging Intervention to Improve Adherence to PrEP in High-risk MSM (opens in a new tab)
CompletedPhase 4
Patient CompliancePatient Acceptance of Health CareSoC + iTab
A Multicenter Study to Assess the Tolerability of Once Daily Lopinavir/Ritonavir (LPV/r) Liquid Versus Capsules (opens in a new tab)
CompletedPhase 4
HIV InfectionsLentivirus InfectionsDifferent formulations of once-daily lopinavir/ritonavir
HIV InfectionsLentivirus InfectionsAbacavir/LamivudineAtazanavirEfavirenz
Treatment of Depression With Massage in HIV (opens in a new tab)
CompletedPhase 2
Acquired Immunodeficiency SyndromeSlow Virus Diseases
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Eric S. Daar received $102,720 in industry payments from 2016 to 2025
CMS Open Payments shows 291 general payments to Dr. Daar from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 81% of the total. Gilead Sciences, Inc. paid the most, $59,858. It also lists 12 research payments totaling $1,865 from 2018 to 2019.
General payments to Dr. Daar by program year, 2016 to 2025
General payments to Dr. Daar by kind, 2016 to 2025
$102.7Kin total
- Consulting fees$83,26481%
- Speaker and faculty fees$7,2867%
- Food and beverage$6,3696%
- Travel and lodging$3,6694%
- Other$2,1102%
Companies that paid Dr. Daar 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. Eric S. Daar has 5 awards and honors on record
Dmand AI lists 5 awards for Dr. Daar, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Daar
- 2014
- America's Top Doctors
- 2013
- Top Doctors:LA Area
- 2012
- Top Doctors:Southern California
- Undated
- Super Doc
- Whos Who
Source: Dmand AI Professional Profile Data
Dr. Eric S. Daar graduated from Georgetown University School Of Medicine
Dr. Daar graduated from Georgetown University School Of Medicine in 1985.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Eric S. Daar accepts plans from 1 insurance carrier
Dr. Daar is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Eric S. Daar'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)Medicare Part D Prescribers - 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Eric S. Daar
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. Eric S. Daar's NPI number?
Dr. Eric S. Daar's NPI number is 1336119676. It was assigned on January 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric S. Daar?
Dr. Eric S. Daar is an infectious disease specialist in Torrance, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Eric S. Daar practice?
Dr. Daar practices at 1000 W Carson St, Torrance, CA 90509. Dr. Daar's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles. Dmand AI also links Dr. Daar to 1 group practice or clinic.
What is Dr. Eric S. Daar's office phone number?
The practice phone on file for Dr. Daar is (310) 222-2345.
What is Dr. Eric S. Daar's medical license number?
Dr. Daar's California license number on file is G58472.
Which hospitals is Dr. Eric S. Daar affiliated with?
Dr. Daar practices at Harbor-UCLA Medical Center in Torrance, California.
What medical group is Dr. Eric S. Daar part of?
Dr. Daar is linked to Harbor-UCLA Medical Center.
Does Dr. Eric S. Daar accept Medicare?
Yes. CMS lists Dr. Daar as accepting Medicare assignment.
Is Dr. Eric S. Daar board certified?
Yes. Dr. Daar is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Eric S. Daar go to medical school?
Dr. Daar graduated from Georgetown University School Of Medicine in 1985.
Show 6 more questionsShow fewer questions
What drugs does Dr. Eric S. Daar prescribe most?
In 2024 Medicare Part D data, Dr. Daar's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Eric S. Daar received payments from drug or device companies?
CMS Open Payments shows $102,720 in general payments to Dr. Daar from 18 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Eric S. Daar been practicing?
Dr. Daar graduated from medical school in 1985, 41 years ago.
Does Dr. Eric S. Daar do research?
Dmand AI links 181 publications to Dr. Daar, published from 2001 to 2025. Dr. Daar has worked on 8 clinical trials.
Who does Dr. Eric S. Daar publish with?
Dr. Daar's most frequent co-authors are Joseph J. Eron, MD (18 shared papers), Kara Wei Wei Chew, MD (14 shared papers) and Roy M. Gulick, MD, MPH (12 shared papers).
What insurance does Dr. Eric S. Daar accept?
Dr. Daar is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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