Dr. Luis Guillermo Vargas Buonfiglio, MD

  • Salt Lake City, UT
  • Pulmonologist
NPI1164955779PAC ID2567732001
Medicare services, 2024
133
Medicare patients, 2024
82
Part D claims, 2024
107
MIPS score, 2024
90
Hospital affiliations
3
Practice address
50 North Medical Drive, Salt Lake City, UT 84132
Practice phone
Call (801) 581-2337
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Utah Hospitals and Clinics - Unit

Acute Care Hospital-Unit · Salt Lake City, Utah

See all 5 affiliations

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Dr. Luis Guillermo Vargas Buonfiglio is a pulmonologist in Salt Lake City, Utah

Dr. Vargas Buonfiglio practices at University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah.

Dr. Vargas Buonfiglio's NPI, 1164955779, was assigned on April 10, 2017. Dr. Vargas Buonfiglio holds Utah license 13440883-1205.

NPI and contact details
Medicare PAC ID
2567732001
NPI enumeration date
April 10, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(801) 581-2337
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
41
Medical school graduation
2011

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

Dr. Luis Guillermo Vargas Buonfiglio practices at University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah

Dr. Vargas Buonfiglio's primary practice is University of Utah Hospitals and Clinics - Unit, at 50 North Medical Drive, Salt Lake City, UT 84132 in Salt Lake County. The practice phone is (801) 581-2337.

  • University of Utah Hospitals and Clinics - Unit
    50 North Medical Drive, Salt Lake City, UT 84132 · Salt Lake CountyPhone(801) 581-2337

Source: Dmand AI Affiliation Data

Dr. Luis Guillermo Vargas Buonfiglio is affiliated with 3 sites of care and 2 medical groups

Dr. Vargas Buonfiglio's primary practice is University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah. Dr. Vargas Buonfiglio is also affiliated with University of Utah Hospital. The medical group on file is University of Utah Health. Dmand AI also links Dr. Vargas Buonfiglio to 1 more hospital and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Vargas Buonfiglio

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Luis Guillermo Vargas Buonfiglio's practice

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

EHR by site
SiteEHR vendor and product
University of Utah Hospitals and Clinics - UnitAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Luis Guillermo Vargas Buonfiglio is one of 114 pulmonologists in Utah

Pulmonary disease is Dr. Vargas Buonfiglio's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dmand AI has Dr. Vargas Buonfiglio's licenses on file in 2 states: Utah and Iowa.

Specialties and state licenses

  • Pulmonary disease, UtahPrimaryLicense 13440883-1205 · taxonomy 207RP1001X
  • Internal medicine, IowaLicense R-10797 · taxonomy 207R00000X

Pulmonologists near Dr. Vargas Buonfiglio

Counts of pulmonologists 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. Luis Guillermo Vargas Buonfiglio billed Medicare for 133 services in 2024

CMS data shows 133 Medicare services from Dr. Vargas Buonfiglio across 3 procedure codes in 2024, for 82 Medicare patients. Medicare paid $14,550 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024133
Medicare patients82
Paid by Medicare$14,550
Procedure codes3

Dr. Vargas Buonfiglio compared with the Utah median for pulmonologists, 2024

  • Dr. Vargas Buonfiglio
  • Utah median
Medicare services
133vs 29054% below
Medicare patients
82vs 14845% below
Part D claims
11vs 22095% below

Medians across 114 pulmonologists in Utah with Dmand AI profiles that report each measure.

Dr. Vargas Buonfiglio'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. Vargas Buonfiglio

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

Dr. Luis Guillermo Vargas Buonfiglio treated 82 Medicare patients in 2024, average age 70

CMS counts 82 Medicare patients who saw Dr. Vargas Buonfiglio in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.84, 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. Vargas Buonfiglio's median patient age at 72, with 46% women.

Medicare patients, 202482
Average age70
Average risk score2.84
Also on Medicaid28%

Dr. Vargas Buonfiglio's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Vargas Buonfiglio's Medicare patients by sex, 2024

  • Women4251%
  • Men4049%

Chronic conditions among Dr. Vargas Buonfiglio's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol68%
  3. COPD57%
  4. Mood disorders50%
  5. Anxiety49%
  6. Chronic kidney disease49%
  7. Diabetes48%
  8. Heart failure48%

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

Dr. Vargas Buonfiglio's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women46%
  • Men54%

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

Dr. Luis Guillermo Vargas Buonfiglio wrote 107 Medicare Part D claims in 2024

In 2024, Dr. Vargas Buonfiglio wrote 107 Medicare Part D claims for 26 patients. 35% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $279,582 in total drug cost. In 2023, CMS named 40 claims across 3 drugs.

Part D claims, 2024107
Drugs named by CMS1
Total drug cost$279,582
Part D patients26

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

  • Generic37 claims35%
  • Brand-name70 claims65%

Dr. Vargas Buonfiglio'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. Vargas Buonfiglio's Part D claims, 2024

  • Antibiotics22%24 of 107 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: 402024: 1173%

Drugs named by CMS: 1 in 2024, 3 in 2023.

See all prescribing by Dr. Vargas Buonfiglio

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. Luis Guillermo Vargas Buonfiglio scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Vargas Buonfiglio for performance year 2024, reported as part of a group. Dr. Vargas Buonfiglio accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Vargas Buonfiglio's MIPS scores, performance year 2024

  • 90of 100Final score
  • 72.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

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. Luis Guillermo Vargas Buonfiglio received $125 in industry payments in 2025

CMS Open Payments shows 2 general payments to Dr. Vargas Buonfiglio from 1 drug or device company in 2025. Food and beverage make up the largest share, 86% of the total. Insmed, Inc. paid the most, $125.

General payments to Dr. Vargas Buonfiglio by kind, 2025 to 2025

$125in total
  • Food and beverage$10886%
  • Education$1714%

Companies that paid Dr. Vargas Buonfiglio the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Vargas Buonfiglio

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

Sources for Dr. Luis Guillermo Vargas Buonfiglio'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 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Luis Guillermo Vargas Buonfiglio

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. Luis Guillermo Vargas Buonfiglio's NPI number?

Dr. Luis Guillermo Vargas Buonfiglio's NPI number is 1164955779. It was assigned on April 10, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Luis Guillermo Vargas Buonfiglio?

Dr. Luis Guillermo Vargas Buonfiglio is a pulmonologist in Salt Lake City, Utah. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Luis Guillermo Vargas Buonfiglio practice?

Dr. Vargas Buonfiglio practices at 50 North Medical Drive, Salt Lake City, UT 84132. Dr. Vargas Buonfiglio's primary practice is University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah. Dmand AI also links Dr. Vargas Buonfiglio to 1 hospital and 1 medical group.

What is Dr. Luis Guillermo Vargas Buonfiglio's office phone number?

The practice phone on file for Dr. Vargas Buonfiglio is (801) 581-2337.

What is Dr. Luis Guillermo Vargas Buonfiglio's medical license number?

Dr. Vargas Buonfiglio holds Utah license 13440883-1205, one of the licenses on file in 2 states.

Which states has Dr. Luis Guillermo Vargas Buonfiglio been licensed in?

Dmand AI has state licenses on file for Dr. Vargas Buonfiglio in Utah and Iowa.

Which hospitals is Dr. Luis Guillermo Vargas Buonfiglio affiliated with?

Dr. Vargas Buonfiglio is affiliated with University of Utah Hospital. Dmand AI links Dr. Vargas Buonfiglio to 2 more hospitals.

What medical group is Dr. Luis Guillermo Vargas Buonfiglio part of?

Dr. Vargas Buonfiglio is linked to University of Utah Health. Dmand AI links Dr. Vargas Buonfiglio to 1 more medical group.

Does Dr. Luis Guillermo Vargas Buonfiglio accept Medicare?

Yes. CMS data shows Dr. Vargas Buonfiglio billed Medicare for 133 services in 2024, and Dr. Vargas Buonfiglio accepts Medicare assignment.

What is Dr. Luis Guillermo Vargas Buonfiglio's MIPS score?

Dr. Vargas Buonfiglio's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Luis Guillermo Vargas Buonfiglio see?

CMS counts 82 Medicare patients who saw Dr. Vargas Buonfiglio in 2024, with an average age of 70.

What services does Dr. Luis Guillermo Vargas Buonfiglio bill to Medicare?

In 2024, Dr. Vargas Buonfiglio's most billed Medicare services were hospital inpatient care (99233), critical care (99291) and hospital inpatient care (99238).

What drugs does Dr. Luis Guillermo Vargas Buonfiglio prescribe most?

In 2024 Medicare Part D data, Dr. Vargas Buonfiglio's most prescribed drugs by claims were Trikafta.

Has Dr. Luis Guillermo Vargas Buonfiglio received payments from drug or device companies?

CMS Open Payments shows $125 in general payments to Dr. Vargas Buonfiglio from 1 company from 2025 to 2025. The largest total came from Insmed, Inc.

How long has Dr. Luis Guillermo Vargas Buonfiglio been practicing?

Dr. Vargas Buonfiglio graduated from medical school in 2011, 15 years ago.

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