Dr. Sarah J. Chalmers, MD

  • Rochester, MN
  • Pulmonologist
NPI1740612241PAC ID8426379355
Medicare services, 2024
171
Medicare patients, 2024
175
Part D claims, 2024
390
Publications
23
Hospital affiliations
2
Practice address
1216 Second Street Southwest, Rochester, MN 55902
Practice phone
Call (507) 255-5123
Professional email
Get professional email
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 6 affiliations

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Dr. Sarah J. Chalmers is a pulmonologist in Rochester, Minnesota

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

Dr. Chalmers' NPI, 1740612241, was assigned on August 7, 2013. Dr. Chalmers graduated from University of North Dakota School of Medicine & Health Sciences in 2013. Dr. Chalmers holds Minnesota license 64278.

NPI and contact details
Medicare PAC ID
8426379355
NPI enumeration date
August 7, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(507) 255-5123
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
39
Medical school graduation
2013

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

Dr. Sarah J. Chalmers practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota

Dr. Chalmers' 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. Sarah J. Chalmers is affiliated with 3 sites of care and 3 medical groups

Dr. Chalmers' primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dr. Chalmers is also affiliated with Mayo Clinic Health System in Red Wing. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Chalmers to 2 more medical groups and 1 hospice, each named with a free account.

See all 6 affiliations for Dr. Chalmers

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

Dmand AI tracks the EHR system at Dr. Sarah J. Chalmers' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chalmers 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 sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sarah J. Chalmers is one of 271 pulmonologists in Minnesota

Pulmonary disease is Dr. Chalmers' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Chalmers is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chalmers' licenses on file in 4 states: Minnesota, Florida, Wisconsin and Illinois.

Specialties and state licenses

  • Pulmonary disease, MinnesotaPrimaryLicense 64278 · 2018 to 2026 · taxonomy 207RP1001X
  • Florida licenseSince 2022
  • Wisconsin license2023 to 2025
  • Internal medicine, IllinoisLicense 125.064141 · 2016 to 2020 · taxonomy 207R00000X

Clinical focus

Dmand AI lists asthma, chronic lung disease, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, pleural effusion and pneumonia among the conditions Dr. Chalmers treats.

Pulmonologists near Dr. Chalmers

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. Sarah J. Chalmers billed Medicare for 171 services in 2024

CMS data shows 171 Medicare services from Dr. Chalmers across 4 procedure codes in 2024, for 175 Medicare patients. Medicare paid $18,652 for them.

Medicare services, 2024171
Medicare patients175
Paid by Medicare$18,652
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2652024: 17135%

Where Dr. Chalmers' Medicare services took place, 2024

  • In an office6840%
  • In a facility10360%

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

  • Dr. Chalmers
  • Minnesota median
Medicare services
171vs 31846% below
Medicare patients
175vs 174Close to median
Part D claims
237vs 236Close to median

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

Dr. Chalmers' 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. Chalmers

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

Dr. Sarah J. Chalmers treated 175 Medicare patients in 2024, average age 72

CMS counts 175 Medicare patients who saw Dr. Chalmers in 2024. The largest group is 65 to 74, with 76 patients. 66% of them have copd, and 66% have high blood pressure. 15% are also on Medicaid. Their average risk score is 2.56, 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. Chalmers' median patient age at 70, with 66% women.

Medicare patients, 2024175
Average age72
Average risk score2.56
Also on Medicaid15%

Dr. Chalmers' Medicare patients by age, 2024

Dr. Chalmers' Medicare patients by sex, 2024

  • Women9454%
  • Men8146%

Chronic conditions among Dr. Chalmers' Medicare patients, 2024

  1. COPD66%
  2. High blood pressure66%
  3. High cholesterol63%
  4. Arthritis45%
  5. Heart failure41%
  6. Chronic kidney disease38%
  7. Ischemic heart disease36%
  8. Atrial fibrillation35%

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

Dr. Chalmers' patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women66%
  • Men34%

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

Dr. Sarah J. Chalmers wrote 390 Medicare Part D claims in 2024

In 2024, Dr. Chalmers wrote 390 Medicare Part D claims for 72 patients. 39% of them were for generic drugs. CMS names the drug for 237 of them, across 9 drugs with 11 or more claims each, at $3,021,271 in total drug cost. In 2023, CMS named 177 claims across 8 drugs.

Part D claims, 2024390
Drugs named by CMS9
Total drug cost$3M
Part D patients72

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

  • Generic154 claims39%
  • Brand-name236 claims61%

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

  • Antibiotics24%92 of 390 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: 1772024: 23734%

Drugs named by CMS: 9 in 2024, 8 in 2023.

See all prescribing by Dr. Chalmers

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. Sarah J. Chalmers offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Sarah J. Chalmers has 23 publications on record

Dmand AI links 23 papers to Dr. Chalmers, published from 2015 to 2023. 2021 was the busiest year, with 6. The most frequent topics are Cystic Fibrosis, Respiratory Distress Syndrome and Aminophenols. Dr. Chalmers has published most often in Crit Care Explor. Dr. Chalmers' most frequent co-authors are Amos Lal, MD, Yewande Efunpeju Odeyemi, MBBS and Hemang Yadav, MBBS.

Papers23
Years published2015 to 2023

Dr. Chalmers' papers by year, 2015 to 2023

Topics Dr. Chalmers writes about most

  • Cystic Fibrosis
  • Respiratory Distress Syndrome
  • Aminophenols
  • Benzodioxoles
  • COVID-19
  • Cystic Fibrosis Transmembrane Conductance Regulator
  • Intensive Care Units
  • Mycobacterium Infections, Nontuberculous

Dr. Chalmers' most frequent co-authors

Recent publications by Dr. Chalmers

See all 23 publications and co-authors

See who Dr. Chalmers researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chalmers 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. Sarah J. Chalmers received $4,088 in industry payments from 2016 to 2024

CMS Open Payments shows 2 general payments to Dr. Chalmers from 2 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 99% of the total. Vertex Pharmaceuticals Incorporated paid the most, $4,060.

General payments to Dr. Chalmers by program year, 2016 to 2024

General payments to Dr. Chalmers by kind, 2016 to 2024

$4.1Kin total
  • Consulting fees$4,06099%
  • Food and beverage$281%

Companies that paid Dr. Chalmers the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Chalmers

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

Dr. Sarah J. Chalmers graduated from University of North Dakota School of Medicine & Health Sciences

Dr. Chalmers graduated from University of North Dakota School of Medicine & Health Sciences in 2013.

  1. Medical schoolUniversity of North Dakota School of Medicine & Health Sciences
  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
  5. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Sarah J. Chalmers accepts plans from 14 insurance carriers

Dr. Chalmers is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Medica
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Chalmers accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. POS6
  4. HMO5
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Sarah J. Chalmers'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
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. Sarah J. Chalmers

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. Sarah J. Chalmers' NPI number?

Dr. Sarah J. Chalmers' NPI number is 1740612241. It was assigned on August 7, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Sarah J. Chalmers?

Dr. Sarah J. Chalmers is a pulmonologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Sarah J. Chalmers practice?

Dr. Chalmers practices at 1216 Second Street Southwest, Rochester, MN 55902. Dr. Chalmers' primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dmand AI also links Dr. Chalmers to 2 medical groups and 1 hospice.

What is Dr. Sarah J. Chalmers' office phone number?

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

What is Dr. Sarah J. Chalmers' medical license number?

Dr. Chalmers holds Minnesota license 64278, one of the licenses on file in 4 states.

Which states has Dr. Sarah J. Chalmers been licensed in?

Dmand AI has state licenses on file for Dr. Chalmers in Minnesota (2018 to 2026), Florida (since 2022), Wisconsin (2023 to 2025) and Illinois (2016 to 2020).

Which hospitals is Dr. Sarah J. Chalmers affiliated with?

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

What medical group is Dr. Sarah J. Chalmers part of?

Dr. Chalmers is linked to Mayo Clinic. Dmand AI links Dr. Chalmers to 2 more medical groups.

Does Dr. Sarah J. Chalmers accept Medicare?

Yes. CMS data shows Dr. Chalmers billed Medicare for 171 services in 2024, and Dr. Chalmers accepts Medicare assignment.

Does Dr. Sarah J. Chalmers offer telehealth?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Sarah J. Chalmers see?

CMS counts 175 Medicare patients who saw Dr. Chalmers in 2024, with an average age of 72.

Is Dr. Sarah J. Chalmers board certified?

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

What services does Dr. Sarah J. Chalmers bill to Medicare?

In 2024, Dr. Chalmers' most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and critical care (99291).

Where did Dr. Sarah J. Chalmers go to medical school?

Dr. Chalmers graduated from University of North Dakota School of Medicine & Health Sciences in 2013.

What drugs does Dr. Sarah J. Chalmers prescribe most?

In 2024 Medicare Part D data, Dr. Chalmers' most prescribed drugs by claims were Trikafta, Azithromycin and Sulfamethoxazole-Trimethoprim.

Has Dr. Sarah J. Chalmers received payments from drug or device companies?

CMS Open Payments shows $4,088 in general payments to Dr. Chalmers from 2 companies from 2016 to 2024. The largest total came from Vertex Pharmaceuticals Incorporated.

How long has Dr. Sarah J. Chalmers been practicing?

Dr. Chalmers graduated from medical school in 2013, 13 years ago.

Does Dr. Sarah J. Chalmers do research?

Dmand AI links 23 publications to Dr. Chalmers, published from 2015 to 2023.

Who does Dr. Sarah J. Chalmers publish with?

Dr. Chalmers' most frequent co-authors are Amos Lal, MD (6 shared papers), Yewande Efunpeju Odeyemi, MBBS (5 shared papers) and Hemang Yadav, MBBS (3 shared papers).

What insurance does Dr. Sarah J. Chalmers accept?

Dr. Chalmers is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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