Dr. Andrew David Louie, MD

  • Torrance, CA
  • Emergency medicine physician
NPI1518151968PAC ID3577633023
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
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Personal email
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Mobile number
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Social profiles

Primary practice

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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 and contact details
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.

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.

EHR by site
SiteEHR vendor and product
Providence Little Company of Mary Medical Center TorranceAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.

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, CaliforniaPrimaryLicense A103150 · 2008 to 2025 · taxonomy 207P00000X
  • Illinois licenseLicense 125047692 · 2007 to 2008

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.

Medicare services, 2024379
Medicare patients272
Paid by Medicare$41,977
Procedure codes5

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.

See all procedures by Dr. Louie

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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.

Medicare patients, 2024272
Average age75
Average risk score2.24
Also on Medicaid48%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Chronic kidney disease44%
  5. Diabetes44%
  6. Ischemic heart disease38%
  7. Heart failure35%
  8. 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.

Part D claims, 2024153
Drugs named by CMS5
Total drug cost$749
Part D patients112

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.

See all prescribing by Dr. Louie

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

For MedTech and pharma teams

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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.

Papers5

Dr. Louie's most frequent co-authors

Recent publications by Dr. Louie

See all 5 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Louie

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.

  1. Medical schoolGeorge Washington University School of Medicine and Health Sciences
  2. Board certified in emergency medicineAmerican Board of 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

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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