Dr. Charles F. Thomas Jr., MD

  • Rochester, MN
  • Pulmonologist
NPI1891774378PAC ID8628103967
Medicare services, 2024
350
Medicare patients, 2024
278
Part D claims, 2024
458
Publications
39
Clinical trials
1
Practice address
1216 Second Street Southwest, Rochester, MN 55902
Practice phone
Call (507) 255-5123
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mayo Clinic Hospital, Saint Marys Campus

Hospital · Rochester, Minnesota

See all 4 affiliations

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Dr. Charles F. Thomas Jr. is a pulmonologist in Rochester, Minnesota

Dr. Thomas practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.

Dr. Thomas' NPI, 1891774378, was assigned on January 12, 2006. Dr. Thomas graduated from UTMB Health in 1992. Dr. Thomas holds Minnesota license 36433.

NPI and contact details
Medicare PAC ID
8628103967
NPI enumeration date
January 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(507) 255-5123
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
60
Medical school graduation
1992

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

Dr. Charles F. Thomas Jr. practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota

Dr. Thomas' primary practice is Mayo Clinic Hospital, Saint Marys Campus, at 1216 Second Street Southwest, Rochester, MN 55902 in Olmsted County. The practice phone is (507) 255-5123.

Source: Dmand AI Affiliation Data

Dr. Charles F. Thomas Jr. is affiliated with 3 sites of care and 1 medical group

Dr. Thomas' primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dr. Thomas is also affiliated with Mayo Clinic Health System in Red Wing. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Thomas to 1 more hospice, named with a free account.

See all 4 affiliations for Dr. Thomas

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

Dmand AI tracks the EHR system at Dr. Charles F. Thomas Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Mayo Clinic Hospital, Saint Marys CampusAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles F. Thomas Jr. is one of 271 pulmonologists in Minnesota

Pulmonary disease is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Thomas is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Thomas is licensed in Minnesota.

Specialties and state licenses

  • Pulmonary disease, MinnesotaPrimaryLicense 36433 · 1993 to 2026 · taxonomy 207RP1001X

Clinical focus

Dmand AI lists acute respiratory failure, asthma, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, chronic sinusitis, lung disease: COPD, asthma or bronchitis, pleural effusion and pneumonia among the conditions Dr. Thomas treats.

Pulmonologists near Dr. Thomas

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. Charles F. Thomas Jr. billed Medicare for 350 services in 2024

CMS data shows 350 Medicare services from Dr. Thomas across 10 procedure codes in 2024, for 278 Medicare patients. Medicare paid $29,200 for them.

Medicare services, 2024350
Medicare patients278
Paid by Medicare$29,200
Procedure codes10

Dr. Thomas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3662024: 3504%

Where Dr. Thomas' Medicare services took place, 2024

  • In an office19857%
  • In a facility15243%

Dr. Thomas compared with the Minnesota median for pulmonologists, 2024

  • Dr. Thomas
  • Minnesota median
Medicare services
350vs 31810% above
Medicare patients
278vs 17460% above
Part D claims
305vs 23629% above

Medians across 265 pulmonologists in Minnesota with Dmand AI profiles that report each measure.

Dr. Thomas' 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. Thomas

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

Dr. Charles F. Thomas Jr. treated 278 Medicare patients in 2024, average age 74

CMS counts 278 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 130 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.76, 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. Thomas' median patient age at 73, with 54% women.

Medicare patients, 2024278
Average age74
Average risk score1.76
Also on Medicaid8%

Dr. Thomas' Medicare patients by age, 2024

Dr. Thomas' Medicare patients by sex, 2024

  • Women15455%
  • Men12445%

Chronic conditions among Dr. Thomas' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. COPD44%
  4. Arthritis43%
  5. Cancer43%
  6. Ischemic heart disease36%
  7. Chronic kidney disease35%
  8. Heart failure30%

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

Dr. Thomas' patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Dr. Charles F. Thomas Jr. wrote 458 Medicare Part D claims in 2024

In 2024, Dr. Thomas wrote 458 Medicare Part D claims for 122 patients. 38% of them were for generic drugs. CMS names the drug for 305 of them, across 14 drugs with 11 or more claims each, at $77,467 in total drug cost. In 2023, CMS named 286 claims across 15 drugs.

Part D claims, 2024458
Drugs named by CMS14
Total drug cost$77,467
Part D patients122

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

  • Generic174 claims38%
  • Brand-name284 claims62%

Dr. Thomas' 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. Thomas' Part D claims, 2024

  • Antibiotics8%35 of 458 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: 2862024: 3057%

Drugs named by CMS: 14 in 2024, 15 in 2023.

See all prescribing by Dr. Thomas

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. Charles F. Thomas Jr. offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Charles F. Thomas Jr. has 39 publications on record

Dmand AI links 39 papers to Dr. Thomas, published from 2006 to 2023. 2017 was the busiest year, with 3. The most frequent topics are Lung Neoplasms, Molecular Sequence Data and Pneumocystis. Dr. Thomas has published most often in J Thorac Oncol. Dr. Thomas' most frequent co-authors are Tobias Peikert, MD, Dennis A. Wigle, MD and Marie Christine Aubry, MD.

Papers39
Years published2006 to 2023

Dr. Thomas' papers by year, 2006 to 2023

Topics Dr. Thomas writes about most

  • Lung Neoplasms
  • Molecular Sequence Data
  • Pneumocystis
  • Amino Acid Sequence
  • Cloning, Molecular
  • Carcinoid Tumor
  • Fungal Proteins
  • Lung

Dr. Thomas' most frequent co-authors

Recent publications by Dr. Thomas

See all 39 publications and co-authors

See who Dr. Thomas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thomas 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. Charles F. Thomas Jr. has worked on 1 clinical trial

Dmand AI links Dr. Thomas to 1 clinical trial. Conditions studied include Lung Neoplasms and Thoracic Neoplasms.

Conditions in Dr. Thomas' trials

  • Lung Neoplasms
  • Thoracic Neoplasms

Investigators on the most trials with Dr. Thomas

Recent clinical trials with Dr. Thomas

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Charles F. Thomas Jr. has 10 awards and honors on record

Dmand AI lists 10 awards for Dr. Thomas, most recently Outstanding Educator, Internal Medicine Residency Program in 2010. Dr. Thomas serves on European Respiratory Society Respiratory Infections Section.

Awards and honors for Dr. Thomas

  1. 2010
    • Outstanding Educator, Internal Medicine Residency Program
  2. 2003
    • Outstanding Educator, Mayo Medical School
  3. 1998
    • Burgher Family Fellowship Award in Pulmonary Diseases
    • Cum Laude Ampla et Magna
    • Rhone-Poulenc Rorer Pulmonary Disease Resident Scholarship Recipient
  4. 1997
    • Microbiology, Tuberculosis and Pulmonary Infections (MTPI) Trainee Travel Award
See all 10 awards

Dr. Thomas' committees and leadership roles

European Respiratory Society Respiratory Infections SectionAd Hoc Program Committee Reviewer
2000 to present
French National Research Agency (l'Agence Nationale de la Recherche (ANR)Grant Reviewer
2010
Assembly on Microbiology Tuberculosis and Pulmonary Infections (MTPI) American Thoracic SocietyNominating Committee Member
2006 to 2009
Cochrane Collaborative Review Group “Prophylaxis for Pneumocystis pneumonia (PCP) in non-HIV immunocompromised patientsReview group member
2005
American Federation for Medical ResearchCouncilor
1998 to 2000

Source: Dmand AI Professional Profile Data

Dr. Charles F. Thomas Jr. graduated from UTMB Health

Dr. Thomas graduated from UTMB Health in 1992. Dr. Thomas is a member of ACCP, ATS and International Association for the Study of Lung Cancer (IASLC).

  1. Medical schoolUTMB Health
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in pulmonary diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Charles F. Thomas Jr. accepts plans from 10 insurance carriers

Dr. Thomas is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Medica. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Plan types Dr. Thomas accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO4
  4. POS4
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Charles F. Thomas Jr.'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Charles F. Thomas Jr.

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. Charles F. Thomas Jr.'s NPI number?

Dr. Charles F. Thomas Jr.'s NPI number is 1891774378. It was assigned on January 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles F. Thomas Jr.?

Dr. Charles F. Thomas Jr. is a pulmonologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Charles F. Thomas Jr. practice?

Dr. Thomas practices at 1216 Second Street Southwest, Rochester, MN 55902. Dr. Thomas' primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dmand AI also links Dr. Thomas to 1 hospice.

What is Dr. Charles F. Thomas Jr.'s office phone number?

The practice phone on file for Dr. Thomas is (507) 255-5123.

What is Dr. Charles F. Thomas Jr.'s medical license number?

Dr. Thomas holds Minnesota license 36433.

Which hospitals is Dr. Charles F. Thomas Jr. affiliated with?

Dr. Thomas practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota. Dr. Thomas is also affiliated with Mayo Clinic Health System in Red Wing.

What medical group is Dr. Charles F. Thomas Jr. part of?

Dr. Thomas is linked to Mayo Clinic.

Does Dr. Charles F. Thomas Jr. accept Medicare?

Yes. CMS data shows Dr. Thomas billed Medicare for 350 services in 2024, and Dr. Thomas accepts Medicare assignment.

Does Dr. Charles F. Thomas Jr. offer telehealth?

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

How many Medicare patients does Dr. Charles F. Thomas Jr. see?

CMS counts 278 Medicare patients who saw Dr. Thomas in 2024, with an average age of 74.

Show 8 more questionsShow fewer questions

Is Dr. Charles F. Thomas Jr. board certified?

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

What services does Dr. Charles F. Thomas Jr. bill to Medicare?

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

Where did Dr. Charles F. Thomas Jr. go to medical school?

Dr. Thomas graduated from UTMB Health in 1992.

What drugs does Dr. Charles F. Thomas Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Prednisone, Advair Hfa and Spiriva Respimat.

How long has Dr. Charles F. Thomas Jr. been practicing?

Dr. Thomas graduated from medical school in 1992, 34 years ago.

Does Dr. Charles F. Thomas Jr. do research?

Dmand AI links 39 publications to Dr. Thomas, published from 2006 to 2023. Dr. Thomas has worked on 1 clinical trial.

Who does Dr. Charles F. Thomas Jr. publish with?

Dr. Thomas' most frequent co-authors are Tobias Peikert, MD (4 shared papers), Dennis A. Wigle, MD (4 shared papers) and Marie Christine Aubry, MD (3 shared papers).

What insurance does Dr. Charles F. Thomas Jr. accept?

Dr. Thomas is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Medica. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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