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Dr. Andrew David Louie, MD
- Medicare services, 2024
- 379
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 153
- Publications
- 5
- MIPS score, 2024
- 91
- Practice address
- 4101 Torrance Blvd, Torrance, CA 90503
- Practice phone
- Call (310) 540-7676
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Louie'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. Andrew David Louie is an emergency medicine physician in Torrance, California
Dr. Louie practices at Providence Little Company of Mary Medical Center Torrance in Torrance, California, part of Providence Health & Services.
Dr. Louie's NPI, 1518151968, was assigned on August 29, 2007. Dr. Louie graduated from George Washington University School of Medicine and Health Sciences in 2004. Dr. Louie's California license number on file is A103150.
- NPI
- 1518151968NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577633023
- NPI enumeration date
- August 29, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 540-7676
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew David Louie practices at Providence Little Company of Mary Medical Center Torrance in Torrance, California
Dr. Louie's primary practice is Providence Little Company of Mary Medical Center Torrance, at 4101 Torrance Blvd, Torrance, CA 90503 in Los Angeles County. The practice phone is (310) 540-7676.
- Providence Little Company of Mary Medical Center Torrance4101 Torrance Blvd, Torrance, CA 90503 · Los Angeles CountyPhone(310) 540-7676
Source: Dmand AI Affiliation Data
Dr. Andrew David Louie is affiliated with 1 site of care and 1 medical group
Dr. Louie's primary practice is Providence Little Company of Mary Medical Center Torrance in Torrance, California, part of Providence Health & Services. The medical group on file is Emergency Specialist Physicians Medical Associates (ESPMA).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Andrew David Louie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Louie practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Little Company of Mary Medical Center Torrance | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew David Louie is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Louie's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Louie is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Louie's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Illinois license
Emergency medicine physicians near Dr. Louie
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. Andrew David Louie billed Medicare for 379 services in 2024
CMS data shows 379 Medicare services from Dr. Louie across 5 procedure codes in 2024, for 272 Medicare patients. Medicare paid $41,977 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Louie's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2572024: 2726%
- Tests and treatments
- 2023: 1372024: 10722%
Dr. Louie compared with the California median for emergency medicine physicians, 2024
- Dr. Louie
- California median
- Medicare services
- 379vs 26543% above
- Medicare patients
- 272vs 24312% above
- Part D claims
- 86vs 6239% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Louie'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Louie 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. Andrew David Louie treated 272 Medicare patients in 2024, average age 75
CMS counts 272 Medicare patients who saw Dr. Louie in 2024. The largest group is 75 to 84, with 102 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 2.24, 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. Louie's median patient age at 49, with 62% women.
Dr. Louie's Medicare patients by age, 2024
Dr. Louie's Medicare patients by sex, 2024
- Women16761%
- Men10539%
Chronic conditions among Dr. Louie's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Chronic kidney disease44%
- Diabetes44%
- Ischemic heart disease38%
- Heart failure35%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Louie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew David Louie wrote 153 Medicare Part D claims in 2024
In 2024, Dr. Louie wrote 153 Medicare Part D claims for 112 patients. 84% of them were for generic drugs. CMS names the drug for 86 of them, across 5 drugs with 11 or more claims each, at $749 in total drug cost. In 2023, CMS named 52 claims across 2 drugs.
Dr. Louie's Part D claims by kind of drug, 2024
- Generic128 claims84%
- Brand-name25 claims16%
Dr. Louie'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. Louie's Part D claims, 2024
- Opioids15%23 of 153 claims
- Antibiotics33%51 of 153 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: 522024: 8665%
Drugs named by CMS: 5 in 2024, 2 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
Dr. Andrew David Louie scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Louie for performance year 2024, reported as part of a group. Dr. Louie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Louie's MIPS scores, performance year 2024
- 91of 100Final score
- 78.2of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Andrew David Louie has 5 publications on record
Dmand AI links 5 papers to Dr. Louie. Dr. Louie's most frequent co-authors are Stephen J. Forman, MD, Michael Albert Gisondi, MD and Henry J. Lin, MD.
Dr. Louie's most frequent co-authors
- Stephen J. Forman, MD1 shared paper
- Michael Albert Gisondi, MD1 shared paper
- Henry J. Lin, MD1 shared paper
Recent publications by Dr. Louie
Cancer Epidemiol Biomarkers Prev
Acad Emerg Med
See who Dr. Louie researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Louie 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. Andrew David Louie received $17 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Louie from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $17.
Companies that paid Dr. Louie the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew David Louie graduated from George Washington University School of Medicine and Health Sciences
Dr. Louie graduated from George Washington University School of Medicine and Health Sciences in 2004.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Andrew David Louie accepts plans from 1 insurance carrier
Dr. Louie 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. Andrew David Louie'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) |
| 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)Clinician Public Reporting: Overall MIPS Performance (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. Andrew David Louie
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. Andrew David Louie's NPI number?
Dr. Andrew David Louie's NPI number is 1518151968. It was assigned on August 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew David Louie?
Dr. Andrew David Louie is an emergency medicine physician in Torrance, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Andrew David Louie practice?
Dr. Louie practices at 4101 Torrance Blvd, Torrance, CA 90503. Dr. Louie's primary practice is Providence Little Company of Mary Medical Center Torrance in Torrance, California, part of Providence Health & Services.
What is Dr. Andrew David Louie's office phone number?
The practice phone on file for Dr. Louie is (310) 540-7676.
What is Dr. Andrew David Louie's medical license number?
Dr. Louie's California license number on file is A103150, one of the licenses on file in 2 states.
Which states has Dr. Andrew David Louie been licensed in?
Dmand AI has state licenses on file for Dr. Louie in California (2008 to 2025) and Illinois (2007 to 2008).
Which hospitals is Dr. Andrew David Louie affiliated with?
Dr. Louie practices at Providence Little Company of Mary Medical Center Torrance in Torrance, California.
What medical group is Dr. Andrew David Louie part of?
Dr. Louie is linked to Emergency Specialist Physicians Medical Associates (ESPMA).
Does Dr. Andrew David Louie accept Medicare?
Yes. CMS data shows Dr. Louie billed Medicare for 379 services in 2024, and Dr. Louie accepts Medicare assignment.
What is Dr. Andrew David Louie's MIPS score?
Dr. Louie's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Andrew David Louie see?
CMS counts 272 Medicare patients who saw Dr. Louie in 2024, with an average age of 75.
Is Dr. Andrew David Louie board certified?
Yes. Dr. Louie is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Andrew David Louie bill to Medicare?
In 2024, Dr. Louie's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Andrew David Louie go to medical school?
Dr. Louie graduated from George Washington University School of Medicine and Health Sciences in 2004.
What drugs does Dr. Andrew David Louie prescribe most?
In 2024 Medicare Part D data, Dr. Louie's most prescribed drugs by claims were Cephalexin, Hydrocodone-Acetaminophen and Ondansetron ODT.
Has Dr. Andrew David Louie received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Louie from 1 company from 2016 to 2016. The largest total came from Pfizer Inc.
How long has Dr. Andrew David Louie been practicing?
Dr. Louie graduated from medical school in 2004, 22 years ago.
Does Dr. Andrew David Louie do research?
Dmand AI links 5 publications to Dr. Louie.
Who does Dr. Andrew David Louie publish with?
Dr. Louie's most frequent co-authors are Stephen J. Forman, MD (1 shared paper), Michael Albert Gisondi, MD (1 shared paper) and Henry J. Lin, MD (1 shared paper).
What insurance does Dr. Andrew David Louie accept?
Dr. Louie 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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