Dr. Ian Taylor Macqueen, MD

  • Los Angeles, CA
  • General surgeon
NPI1134486244PAC ID3476876715
Medicare services, 2024
444
Medicare patients, 2024
264
Part D claims, 2024
26
Publications
12
MIPS score, 2024
93
Practice address
200 Medical Plz, Los Angeles, CA 90024
Practice phone
Call (310) 794-9206
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Peter Morton UCLA Medical Building

Los Angeles, California

See all 5 affiliations

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Dr. Ian Taylor Macqueen is a general surgeon in Los Angeles, California

Dr. Macqueen practices at Peter Morton UCLA Medical Building in Los Angeles, California.

Dr. Macqueen's NPI, 1134486244, was assigned on April 13, 2012. Dr. Macqueen graduated from Keck School of Medicine of USC in 2012. Dr. Macqueen holds California license A130834.

NPI and contact details
Medicare PAC ID
3476876715
NPI enumeration date
April 13, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 794-9206
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Ian Taylor Macqueen practices at Peter Morton UCLA Medical Building in Los Angeles, California

Dr. Macqueen's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.

  • Peter Morton UCLA Medical Building
    200 Medical Plz, Los Angeles, CA 90024 · Los Angeles CountyPhone(310) 794-9206

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ian Taylor Macqueen is affiliated with 4 sites of care and 1 medical group

Dr. Macqueen's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dr. Macqueen is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Associated General Surgeons. Dmand AI also links Dr. Macqueen to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Macqueen

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ian Taylor Macqueen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Macqueen practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Peter Morton UCLA Medical BuildingAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ian Taylor Macqueen is one of 2,926 general surgeons in California

Surgery is Dr. Macqueen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Macqueen is board certified in surgery by the American Board of Surgery. Dr. Macqueen is licensed in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A130834 · 2014 to 2026 · taxonomy 208600000X

Clinical focus

Dmand AI lists abdominal hernia repair surgery, appendectomy, bladder removal, colon removal, esophagus, stomach, or upper small intestine surgery and groin hernia surgery among the conditions Dr. Macqueen treats.

General surgeons near Dr. Macqueen

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. Ian Taylor Macqueen billed Medicare for 444 services in 2024

CMS data shows 444 Medicare services from Dr. Macqueen across 10 procedure codes in 2024, for 264 Medicare patients. Medicare paid $100,960 for them.

Medicare services, 2024444
Medicare patients264
Paid by Medicare$100,960
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 2942024: 35320%
Surgery
2023: 282024: 91225%

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

  • In an office22851%
  • In a facility21649%

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

  • Dr. Macqueen
  • California median
Medicare services
444vs 1662.7 times
Medicare patients
264vs 1212.2 times
Part D claims
13vs 3462% below

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

Dr. Macqueen'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. Macqueen

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

Dr. Ian Taylor Macqueen treated 264 Medicare patients in 2024, average age 72

CMS counts 264 Medicare patients who saw Dr. Macqueen in 2024. The largest group is 65 to 74, with 125 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 30% are also on Medicaid. Their average risk score is 2.16, 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. Macqueen's median patient age at 61, with 42% women.

Medicare patients, 2024264
Average age72
Average risk score2.16
Also on Medicaid30%

Dr. Macqueen's Medicare patients by age, 2024

Dr. Macqueen's Medicare patients by sex, 2024

  • Women12045%
  • Men14455%

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

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis63%
  4. Anxiety36%
  5. Ischemic heart disease36%
  6. Mood disorders35%
  7. Depression31%
  8. Chronic kidney disease28%

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

Dr. Macqueen'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

  • Women42%
  • Men57%

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

Dr. Ian Taylor Macqueen wrote 26 Medicare Part D claims in 2024

In 2024, Dr. Macqueen wrote 26 Medicare Part D claims for 17 patients. 92% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $287 in total drug cost. In 2017, CMS named 29 claims across 1 drug.

Part D claims, 202426
Drugs named by CMS1
Total drug cost$287
Part D patients17

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

  • Generic24 claims92%
  • Brand-name and other2 claims8%

Dr. Macqueen's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2022

  • 2017
  • 2022
Claims for drugs CMS names
2017: 292022: 1355%

Drugs named by CMS: 1 in 2022, 1 in 2017.

See all prescribing by Dr. Macqueen

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. Ian Taylor Macqueen scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Macqueen for performance year 2024, reported as part of a group. Dr. Macqueen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Macqueen as offering telehealth. CMS counts 17 procedures of hernia repair - groin (open) by Dr. Macqueen, more than 95% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Macqueen's MIPS scores, performance year 2024

  • 93of 100Final score
  • 69.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 82of 100Cost

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

Where Dr. Macqueen ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
49th percentile19 procedures
Hernia repair (minimally invasive)
86th percentile18 procedures
Hernia repair - groin (open)
95th percentile17 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)

Removal of tissue: 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)

For MedTech and pharma teams

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Dr. Ian Taylor Macqueen has 12 publications on record

Dmand AI links 12 papers to Dr. Macqueen, published from 2010 to 2024. The most frequent topics are Hernia, Inguinal, Herniorrhaphy and Laparoscopy. Dr. Macqueen has published most often in Surg Technol Int. Dr. Macqueen's most frequent co-authors are David C. Chen, MD, Yang Lu and Charles J. Filipi, MD.

Papers12
Years published2010 to 2024

Dr. Macqueen's papers by year, 2010 to 2024

Topics Dr. Macqueen writes about most

  • Hernia, Inguinal
  • Herniorrhaphy
  • Laparoscopy
  • Hernia, Ventral
  • Pain, Postoperative
  • Robotic Surgical Procedures
  • Surgical Mesh

Dr. Macqueen's most frequent co-authors

Recent publications by Dr. Macqueen

See all 12 publications and co-authors

See who Dr. Macqueen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Macqueen 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. Ian Taylor Macqueen received $3,621 in industry payments from 2019 to 2024

CMS Open Payments shows 12 general payments to Dr. Macqueen from 7 drug and device companies from 2019 to 2024. Education make up the largest share, 83% of the total. Intuitive Surgical, Inc. paid the most, $3,241.

General payments to Dr. Macqueen by program year, 2019 to 2024

General payments to Dr. Macqueen by kind, 2019 to 2024

$3.6Kin total
  • Education$3,00083%
  • Food and beverage$62117%

Companies that paid Dr. Macqueen the most, 2019 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Macqueen

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

Dr. Ian Taylor Macqueen graduated from Keck School of Medicine of USC

Dr. Macqueen graduated from Keck School of Medicine of USC in 2012.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Ian Taylor Macqueen accepts plans from 12 insurance carriers

Dr. Macqueen is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +4 more carriersWith a free account

Plan types Dr. Macqueen accepts, by number of carriers

  1. PPO8
  2. HMO6
  3. Medicare6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Ian Taylor Macqueen'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
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. Ian Taylor Macqueen

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. Ian Taylor Macqueen's NPI number?

Dr. Ian Taylor Macqueen's NPI number is 1134486244. It was assigned on April 13, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Ian Taylor Macqueen?

Dr. Ian Taylor Macqueen is a general surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Ian Taylor Macqueen practice?

Dr. Macqueen practices at 200 Medical Plz, Los Angeles, CA 90024. Dr. Macqueen's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dmand AI also links Dr. Macqueen to 1 hospital and 1 group practice or clinic.

What is Dr. Ian Taylor Macqueen's office phone number?

The practice phone on file for Dr. Macqueen is (310) 794-9206.

What is Dr. Ian Taylor Macqueen's medical license number?

Dr. Macqueen holds California license A130834.

Which hospitals is Dr. Ian Taylor Macqueen affiliated with?

Dr. Macqueen is affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Dr. Macqueen to 1 more hospital.

What medical group is Dr. Ian Taylor Macqueen part of?

Dr. Macqueen is linked to UCLA Associated General Surgeons.

Does Dr. Ian Taylor Macqueen accept Medicare?

Yes. CMS data shows Dr. Macqueen billed Medicare for 444 services in 2024, and Dr. Macqueen accepts Medicare assignment.

Does Dr. Ian Taylor Macqueen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Macqueen as offering telehealth services.

What is Dr. Ian Taylor Macqueen's MIPS score?

Dr. Macqueen's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Ian Taylor Macqueen see?

CMS counts 264 Medicare patients who saw Dr. Macqueen in 2024, with an average age of 72.

Is Dr. Ian Taylor Macqueen board certified?

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

What services does Dr. Ian Taylor Macqueen bill to Medicare?

In 2024, Dr. Macqueen's most billed Medicare services were office visit, new patient (99204), hospital inpatient care (99232) and office visit, established patient (99214).

Where did Dr. Ian Taylor Macqueen go to medical school?

Dr. Macqueen graduated from Keck School of Medicine of USC in 2012.

What drugs does Dr. Ian Taylor Macqueen prescribe most?

In 2022 Medicare Part D data, Dr. Macqueen's most prescribed drugs by claims were Pantoprazole Sodium.

Has Dr. Ian Taylor Macqueen received payments from drug or device companies?

CMS Open Payments shows $3,621 in general payments to Dr. Macqueen from 7 companies from 2019 to 2024. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Ian Taylor Macqueen been practicing?

Dr. Macqueen graduated from medical school in 2012, 14 years ago.

Does Dr. Ian Taylor Macqueen do research?

Dmand AI links 12 publications to Dr. Macqueen, published from 2010 to 2024.

Who does Dr. Ian Taylor Macqueen publish with?

Dr. Macqueen's most frequent co-authors are David C. Chen, MD (4 shared papers), Yang Lu (3 shared papers) and Charles J. Filipi, MD (1 shared paper).

What insurance does Dr. Ian Taylor Macqueen accept?

Dr. Macqueen is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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