Dr. Louis Choong Lee, MD

  • Santa Cruz, CA
  • General surgeon
NPI1093972192PAC ID8527236082
Medicare services, 2024
931
Medicare patients, 2024
435
Part D claims, 2024
121
Publications
7
MIPS score, 2024
92
Practice address
1555 Soquel Drive, Santa Cruz, CA 95065
Practice phone
Call (831) 462-7700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dignity Health - Dominican Hospital

Hospital · Santa Cruz, California

See all 5 affiliations

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Dr. Louis Choong Lee is a general surgeon in Santa Cruz, California

Dr. Lee practices at Dignity Health - Dominican Hospital in Santa Cruz, California, part of CommonSpirit Health.

Dr. Lee's NPI, 1093972192, was assigned on May 18, 2008. Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 2006. Dr. Lee's California license number on file is A121405.

NPI and contact details
Medicare PAC ID
8527236082
NPI enumeration date
May 18, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(831) 462-7700
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Louis Choong Lee practices at Dignity Health - Dominican Hospital in Santa Cruz, California

Dr. Lee's primary practice is Dignity Health - Dominican Hospital, at 1555 Soquel Drive, Santa Cruz, CA 95065 in Santa Cruz County. The practice phone is (831) 462-7700.

Source: Dmand AI Affiliation Data

Dr. Louis Choong Lee is affiliated with 4 sites of care and 1 medical group

Dr. Lee's primary practice is Dignity Health - Dominican Hospital in Santa Cruz, California, part of CommonSpirit Health. Dr. Lee is also affiliated with Watsonville Community Hospital. The medical group on file is Surgical Associates of Monterey Bay. Dmand AI also links Dr. Lee to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Lee

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Louis Choong Lee's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dignity Health - Dominican HospitalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Louis Choong Lee is one of 2,926 general surgeons in California

Surgery is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lee is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Lee's licenses on file in 5 states: California, New York, New Jersey, Minnesota and Virginia.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A121405 · 2012 to 2025 · taxonomy 208600000X
  • New York license2010 to 2016
  • New Jersey license2010 to 2015
  • Minnesota licenseLicense 54487 · 2011 to 2012
  • Virginia licenseLicense 0116018519 · 2006 to 2012

Clinical focus

Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, cancerous skin growth removal, colon removal, gallbladder removal, gastrointestinal bleeding, groin hernia surgery and hemorrhoids among the conditions Dr. Lee treats.

General surgeons near Dr. Lee

Counts of general surgeons 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. Louis Choong Lee billed Medicare for 931 services in 2024

CMS data shows 931 Medicare services from Dr. Lee across 14 procedure codes in 2024, for 435 Medicare patients. Medicare paid $154,983 for them.

Medicare services, 2024931
Medicare patients435
Paid by Medicare$154,983
Procedure codes14

Dr. Lee's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5262024: 5668%
Tests and treatments
2023: 1482024: 24868%
Surgery
2023: 1022024: 1031%
Imaging
2023: 02024: 14

Where Dr. Lee's Medicare services took place, 2024

  • In an office87394%
  • In a facility586%

Dr. Lee compared with the California median for general surgeons, 2024

  • Dr. Lee
  • California median
Medicare services
931vs 1665.6 times
Medicare patients
435vs 1213.6 times
Part D claims
76vs 342.2 times

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Lee'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. Lee

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other general surgeons in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Louis Choong Lee treated 435 Medicare patients in 2024, average age 73

CMS counts 435 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 220 patients. 68% of them have high cholesterol, and 66% have high blood pressure. 33% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 57, with 53% women.

Medicare patients, 2024435
Average age73
Average risk score1.21
Also on Medicaid33%

Dr. Lee's Medicare patients by age, 2024

Dr. Lee's Medicare patients by sex, 2024

  • Women25057%
  • Men18543%

Chronic conditions among Dr. Lee's Medicare patients, 2024

  1. High cholesterol68%
  2. High blood pressure66%
  3. Arthritis47%
  4. Diabetes25%
  5. Anxiety24%
  6. Mood disorders24%
  7. Depression21%
  8. Cancer18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Lee's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Louis Choong Lee wrote 121 Medicare Part D claims in 2024

In 2024, Dr. Lee wrote 121 Medicare Part D claims for 64 patients. 98% of them were for generic drugs. CMS names the drug for 76 of them, across 5 drugs with 11 or more claims each, at $637 in total drug cost. In 2023, CMS named 68 claims across 4 drugs.

Part D claims, 2024121
Drugs named by CMS5
Total drug cost$637
Part D patients64

Dr. Lee's Part D claims by kind of drug, 2024

  • Generic118 claims98%
  • Brand-name and other3 claims2%

Dr. Lee'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. Lee's Part D claims, 2024

  • Opioids38%46 of 121 claims
  • Antibiotics21%26 of 121 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: 682024: 7612%

Drugs named by CMS: 5 in 2024, 4 in 2023.

See all prescribing by Dr. Lee

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. Louis Choong Lee scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Lee for performance year 2024, reported individually. Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 21 procedures of hernia repair - groin (open) by Dr. Lee, more than 97% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Lee's MIPS scores, performance year 2024

  • 92of 100Final score
  • 73.2of 100Quality
  • 81of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 100of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Lee ranks in Medicare procedure volume

Varicose vein removal
81st percentile79 procedures
Hernia repair - groin (open)
97th percentile21 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Louis Choong Lee has 7 publications on record

Dmand AI links 7 papers to Dr. Lee, published from 2011 to 2013. 2012 was the busiest year, with 3. The most frequent topics are Postoperative Complications and Thyroidectomy. Dr. Lee's most frequent co-authors are Mark Christian Domanski, MD, Toni Beninato, MD and Thomas J. Fahey, MD.

Papers7
Years published2011 to 2013

Dr. Lee's papers by year, 2011 to 2013

Topics Dr. Lee writes about most

  • Postoperative Complications
  • Thyroidectomy

Dr. Lee's most frequent co-authors

Recent publications by Dr. Lee

See all 7 publications and co-authors

See who Dr. Lee researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lee works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Louis Choong Lee received $10,346 in industry payments from 2016 to 2025

CMS Open Payments shows 101 general payments to Dr. Lee from 10 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 38% of the total. Intuitive Surgical, Inc. paid the most, $6,154.

General payments to Dr. Lee by program year, 2016 to 2025

General payments to Dr. Lee by kind, 2016 to 2025

$10.3Kin total
  • Travel and lodging$3,95538%
  • Food and beverage$3,39133%
  • Education$3,00029%

Companies that paid Dr. Lee the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lee

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Louis Choong Lee has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Lee, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Lee

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Louis Choong Lee graduated from George Washington University School of Medicine and Health Sciences

Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 2006. Dr. Lee is a member of AACE, ACS, AMA, CMA, SSAT and SAGES.

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

Source: Dmand AI Professional Profile Data

Dr. Louis Choong Lee accepts plans from 16 insurance carriers

Dr. Lee is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Lee accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO7
  4. POS6
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Louis Choong Lee'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)Doctors and Clinicians Utilization Data (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)
Awards and committee rolesDmand AI Professional Profile Data
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. Louis Choong Lee

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. Louis Choong Lee's NPI number?

Dr. Louis Choong Lee's NPI number is 1093972192. It was assigned on May 18, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Louis Choong Lee?

Dr. Louis Choong Lee is a general surgeon in Santa Cruz, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Louis Choong Lee practice?

Dr. Lee practices at 1555 Soquel Drive, Santa Cruz, CA 95065. Dr. Lee's primary practice is Dignity Health - Dominican Hospital in Santa Cruz, California, part of CommonSpirit Health. Dmand AI also links Dr. Lee to 1 hospital and 1 group practice or clinic.

What is Dr. Louis Choong Lee's office phone number?

The practice phone on file for Dr. Lee is (831) 462-7700.

What is Dr. Louis Choong Lee's medical license number?

Dr. Lee's California license number on file is A121405, one of the licenses on file in 5 states.

Which states has Dr. Louis Choong Lee been licensed in?

Dmand AI has state licenses on file for Dr. Lee in California (2012 to 2025), New York (2010 to 2016), New Jersey (2010 to 2015), Minnesota (2011 to 2012) and Virginia (2006 to 2012).

Which hospitals is Dr. Louis Choong Lee affiliated with?

Dr. Lee practices at Dignity Health - Dominican Hospital in Santa Cruz, California. Dr. Lee is also affiliated with Watsonville Community Hospital. Dmand AI links Dr. Lee to 1 more hospital.

What medical group is Dr. Louis Choong Lee part of?

Dr. Lee is linked to Surgical Associates of Monterey Bay.

Does Dr. Louis Choong Lee accept Medicare?

Yes. CMS data shows Dr. Lee billed Medicare for 931 services in 2024, and Dr. Lee accepts Medicare assignment.

What is Dr. Louis Choong Lee's MIPS score?

Dr. Lee's MIPS final score for performance year 2024 is 92 out of 100, reported individually.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Louis Choong Lee see?

CMS counts 435 Medicare patients who saw Dr. Lee in 2024, with an average age of 73.

Is Dr. Louis Choong Lee board certified?

Yes. Dr. Lee is board certified in surgery by the American Board of Surgery.

What services does Dr. Louis Choong Lee bill to Medicare?

In 2024, Dr. Lee's most billed Medicare services were office visit, established patient (99213), blood vessel study (93971) and office visit, new patient (99204).

Where did Dr. Louis Choong Lee go to medical school?

Dr. Lee graduated from George Washington University School of Medicine and Health Sciences in 2006.

What drugs does Dr. Louis Choong Lee prescribe most?

In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Oxycodone-Acetaminophen, Gabapentin and Albuterol Sulfate Hfa.

Has Dr. Louis Choong Lee received payments from drug or device companies?

CMS Open Payments shows $10,346 in general payments to Dr. Lee from 10 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Louis Choong Lee been practicing?

Dr. Lee graduated from medical school in 2006, 20 years ago.

Does Dr. Louis Choong Lee do research?

Dmand AI links 7 publications to Dr. Lee, published from 2011 to 2013.

Who does Dr. Louis Choong Lee publish with?

Dr. Lee's most frequent co-authors are Mark Christian Domanski, MD (2 shared papers), Toni Beninato, MD (1 shared paper) and Thomas J. Fahey, MD (1 shared paper).

What insurance does Dr. Louis Choong Lee accept?

Dr. Lee is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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