Dr. Rex Yung, MD

  • Durango, CO
  • Pulmonologist
NPI1750327128PAC ID0446380992
Medicare services, 2024
67
Medicare patients, 2024
48
Part D claims, 2022
25
Publications
43
Hospital affiliations
3
Practice address
1010 Three Springs Blvd, Durango, CO 81301
Practice phone
Call (970) 247-4311
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

CommonSpirit - Mercy Hospital

Hospital · Durango, Colorado

See all 14 affiliations

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Dr. Rex Yung is a pulmonologist in Durango, Colorado

Dr. Yung practices at CommonSpirit - Mercy Hospital in Durango, Colorado, part of CommonSpirit Health.

Dr. Yung's NPI, 1750327128, was assigned on June 22, 2006. Dr. Yung graduated from David Geffen School of Medicine at UCLA in 1985. Dr. Yung's Maryland license number on file is D55665.

NPI and contact details
Medicare PAC ID
0446380992
NPI enumeration date
June 22, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(970) 247-4311
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

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

Dr. Rex Yung practices at CommonSpirit - Mercy Hospital in Durango, Colorado

Dr. Yung's primary practice is CommonSpirit - Mercy Hospital, at 1010 Three Springs Blvd, Durango, CO 81301 in La Plata County. The practice phone is (970) 247-4311.

Source: Dmand AI Affiliation Data

Dr. Rex Yung is affiliated with 4 sites of care and 10 medical groups

Dr. Yung's primary practice is CommonSpirit - Mercy Hospital in Durango, Colorado, part of CommonSpirit Health. Dr. Yung is also affiliated with Alameda Health System - Highland Hospital. The medical group on file is Cardiac & Thoracic Surgery Associates (CTSA). Dmand AI also links Dr. Yung to 1 more hospital, 9 medical groups and 1 group practice or clinic, each named with a free account.

See all 14 affiliations for Dr. Yung

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

Dmand AI tracks the EHR system at Dr. Rex Yung's practice

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

EHR by site
SiteEHR vendor and product
CommonSpirit - Mercy HospitalAvailable with a free account
+3 more sites and 9 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Rex Yung is one of 254 pulmonologists in Colorado

Pulmonary disease is Dr. Yung's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Yung is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Yung's licenses on file in 10 states: Maryland, South Dakota, Colorado, North Dakota, California, Minnesota, Missouri, Utah, Wisconsin and Nebraska.

Specialties and state licenses

  • Pulmonary disease, MarylandPrimaryLicense D55665 · 2000 to 2025 · taxonomy 207RP1001X
  • South Dakota licenseSince 2025
  • Colorado license2025 to 2027
  • North Dakota license2020 to 2026
  • Critical care medicine (internal medicine), CaliforniaLicense G62106 · 2019 to 2025 · taxonomy 207RC0200X
  • Minnesota license2021 to 2024
  • Missouri license2022 to 2024
  • Utah license2022 to 2024
  • Wisconsin licenseLicense 1083 · 2020 to 2023
  • Nebraska license2020 to 2022

Clinical focus

Dmand AI lists acute respiratory failure, asthma, chronic obstructive pulmonary disease (COPD), pneumonia and respiratory infection, pulmonary fibrosis, sleep apnea and tobacco use among the conditions Dr. Yung treats.

Pulmonologists near Dr. Yung

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. Rex Yung billed Medicare for 67 services in 2024

CMS data shows 67 Medicare services from Dr. Yung across 2 procedure codes in 2024, for 48 Medicare patients. Medicare paid $8,754 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202467
Medicare patients48
Paid by Medicare$8,754
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 2152024: 6769%
Tests and treatments
2023: 542024: 0100%

Dr. Yung compared with the Colorado median for pulmonologists, 2024

  • Dr. Yung
  • Colorado median
Medicare services
67vs 35481% below
Medicare patients
48vs 19575% below
Part D claims
25vs 37693% below

Medians across 247 pulmonologists in Colorado with Dmand AI profiles that report each measure.

Dr. Yung'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. Yung

Need commercial claims for Dr. Yung?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yung and other pulmonologists in Colorado.

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

Dr. Rex Yung treated 48 Medicare patients in 2024, average age 70

CMS counts 48 Medicare patients who saw Dr. Yung in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.65, 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. Yung's median patient age at 76, with 65% women.

Medicare patients, 202448
Average age70
Average risk score2.65
Also on Medicaid46%

Dr. Yung's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Yung's Medicare patients by sex, 2024

  • Women2348%
  • Men2552%

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

  1. High blood pressure75%
  2. High cholesterol67%
  3. Mood disorders58%
  4. Heart failure54%
  5. Depression52%
  6. Diabetes50%
  7. COPD48%
  8. Anxiety40%

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

Dr. Yung's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women65%
  • Men32%

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

Dr. Rex Yung wrote 25 Medicare Part D claims in 2022

In 2022, Dr. Yung wrote 25 Medicare Part D claims. They cover 2 drugs, with $9,806 in total drug cost. In 2021, CMS named 152 claims across 9 drugs.

Part D claims, 202225
Drugs named by CMS2
Total drug cost$9,806

Dr. Yung'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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 1522022: 2584%

Drugs named by CMS: 2 in 2022, 9 in 2021.

See all prescribing by Dr. Yung

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Rex Yung offers telehealth to Medicare patients

Dr. Yung accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yung as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Rex Yung has 43 publications on record

Dmand AI links 43 papers to Dr. Yung, published from 2009 to 2021. 2009 was the busiest year, with 3. The most frequent topics are Lung Neoplasms, Bronchoscopy and Carcinoma, Non-Small-Cell Lung. Dr. Yung has published most often in Chest. Dr. Yung's most frequent co-authors are Johann Christoph Brandes, MD, PhD, Malcolm V. Brock, MD and Edward S. Chen, MD.

Papers43
Years published2009 to 2021

Dr. Yung's papers by year, 2009 to 2021

Topics Dr. Yung writes about most

  • Lung Neoplasms
  • Bronchoscopy
  • Carcinoma, Non-Small-Cell Lung
  • Lung
  • Predictive Value of Tests
  • Tomography, X-Ray Computed
  • Biomarkers, Tumor
  • Biopsy

Dr. Yung's most frequent co-authors

Recent publications by Dr. Yung

See all 43 publications and co-authors

See who Dr. Yung researches with

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

How network discovery works

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

Dr. Rex Yung received $6,709 in industry payments from 2016 to 2020

CMS Open Payments shows 116 general payments to Dr. Yung from 33 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 49% of the total. Biodelivery Sciences International, Inc. paid the most, $3,227.

General payments to Dr. Yung by program year, 2016 to 2020

General payments to Dr. Yung by kind, 2016 to 2020

$6.7Kin total
  • Food and beverage$3,31049%
  • Honoraria$2,50037%
  • Travel and lodging$6029%
  • Consulting fees$2684%
  • Education$300%

Companies that paid Dr. Yung the most, 2016 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Yung

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

Dr. Rex Yung has 1 award and honors on record

Dmand AI lists 1 award for Dr. Yung, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Yung

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Rex Yung graduated from David Geffen School of Medicine at UCLA

Dr. Yung graduated from David Geffen School of Medicine at UCLA in 1985.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in pulmonary diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Rex Yung accepts plans from 12 insurance carriers

Dr. Yung is in network with 12 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
  • Blue Cross Blue Shield of North Dakota
  • Blue Cross Blue Shield of Massachusetts
  • CareFirst BlueCross BlueShield
  • HCSC
  • +4 more carriersWith a free account

Plan types Dr. Yung accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO5
  4. POS4
  5. EPO3
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. Rex Yung'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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. Rex Yung

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. Rex Yung's NPI number?

Dr. Rex Yung's NPI number is 1750327128. It was assigned on June 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Rex Yung?

Dr. Rex Yung is a pulmonologist in Durango, Colorado. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Rex Yung practice?

Dr. Yung practices at 1010 Three Springs Blvd, Durango, CO 81301. Dr. Yung's primary practice is CommonSpirit - Mercy Hospital in Durango, Colorado, part of CommonSpirit Health. Dmand AI also links Dr. Yung to 1 hospital, 9 medical groups and 1 group practice or clinic.

What is Dr. Rex Yung's office phone number?

The practice phone on file for Dr. Yung is (970) 247-4311.

What is Dr. Rex Yung's medical license number?

Dr. Yung's Maryland license number on file is D55665, one of the licenses on file in 10 states.

Which states has Dr. Rex Yung been licensed in?

Dmand AI has state licenses on file for Dr. Yung in Maryland (2000 to 2025), South Dakota (since 2025), Colorado (2025 to 2027), North Dakota (2020 to 2026), California (2019 to 2025), Minnesota (2021 to 2024), Missouri (2022 to 2024), Utah (2022 to 2024), Wisconsin (2020 to 2023) and Nebraska (2020 to 2022).

Which hospitals is Dr. Rex Yung affiliated with?

Dr. Yung practices at CommonSpirit - Mercy Hospital in Durango, Colorado. Dr. Yung is also affiliated with Alameda Health System - Highland Hospital. Dmand AI links Dr. Yung to 1 more hospital.

What medical group is Dr. Rex Yung part of?

Dr. Yung is linked to Cardiac & Thoracic Surgery Associates (CTSA). Dmand AI links Dr. Yung to 9 more medical groups.

Does Dr. Rex Yung accept Medicare?

Yes. CMS data shows Dr. Yung billed Medicare for 67 services in 2024, and Dr. Yung accepts Medicare assignment.

Does Dr. Rex Yung offer telehealth?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Rex Yung see?

CMS counts 48 Medicare patients who saw Dr. Yung in 2024, with an average age of 70.

Is Dr. Rex Yung board certified?

Yes. Dr. Yung is board certified in critical care medicine by the American Board of Internal Medicine.

What services does Dr. Rex Yung bill to Medicare?

In 2024, Dr. Yung's most billed Medicare services were critical care (99291) and hospital inpatient care (99232).

Where did Dr. Rex Yung go to medical school?

Dr. Yung graduated from David Geffen School of Medicine at UCLA in 1985.

What drugs does Dr. Rex Yung prescribe most?

In 2022 Medicare Part D data, Dr. Yung's most prescribed drugs by claims were Advair Diskus and Albuterol Sulfate Hfa.

Has Dr. Rex Yung received payments from drug or device companies?

CMS Open Payments shows $6,709 in general payments to Dr. Yung from 33 companies from 2016 to 2020. The largest total came from Biodelivery Sciences International, Inc.

How long has Dr. Rex Yung been practicing?

Dr. Yung graduated from medical school in 1985, 41 years ago.

Does Dr. Rex Yung do research?

Dmand AI links 43 publications to Dr. Yung, published from 2009 to 2021.

Who does Dr. Rex Yung publish with?

Dr. Yung's most frequent co-authors are Johann Christoph Brandes, MD, PhD (2 shared papers), Malcolm V. Brock, MD (2 shared papers) and Edward S. Chen, MD (2 shared papers).

What insurance does Dr. Rex Yung accept?

Dr. Yung is in network with 12 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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