Dr. Christine L. Klassen, MD

  • Rochester, MN
  • Internist
NPI1801186705PAC ID3870730989
Medicare services, 2024
210
Medicare patients, 2024
158
Part D claims, 2024
167
Publications
20
Hospital affiliations
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

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Dr. Christine L. Klassen is an internist in Rochester, Minnesota

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

Dr. Klassen's NPI, 1801186705, was assigned on April 12, 2011. Dr. Klassen graduated from University of Arizona College of Medicine in 2011. Dr. Klassen's Minnesota license number on file is 61098.

NPI and contact details
Medicare PAC ID
3870730989
NPI enumeration date
April 12, 2011
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
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. Christine L. Klassen practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota

Dr. Klassen's 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. Christine L. Klassen is affiliated with 2 sites of care and 1 medical group

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

See all 3 affiliations for Dr. Klassen

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

Dmand AI tracks the EHR system at Dr. Christine L. Klassen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klassen practices, 2 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
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Christine L. Klassen is one of 2,322 internists in Minnesota

Internal medicine is Dr. Klassen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Klassen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Klassen's licenses on file in 2 states: Minnesota and Arizona.

Specialties and state licenses

  • Internal medicine, MinnesotaPrimaryLicense 61098 · 2016 to 2025 · taxonomy 207R00000X
  • Arizona license2012 to 2026

Clinical focus

Dmand AI lists aneurysm, chronic hypertension, lower back pain, skin cyst, tobacco use and UTI among the conditions Dr. Klassen treats.

Internists near Dr. Klassen

Counts of internists 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. Christine L. Klassen billed Medicare for 210 services in 2024

CMS data shows 210 Medicare services from Dr. Klassen across 7 procedure codes in 2024, for 158 Medicare patients. Medicare paid $16,372 for them. Every service was in an office.

Medicare services, 2024210
Medicare patients158
Paid by Medicare$16,372
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 2452024: 18425%
Other services
2023: 02024: 26

Dr. Klassen compared with the Minnesota median for internists, 2024

  • Dr. Klassen
  • Minnesota median
Medicare services
210vs 33638% below
Medicare patients
158vs 1487% above
Part D claims
137vs 144Close to median

Medians across 2,238 internists in Minnesota with Dmand AI profiles that report each measure.

Dr. Klassen'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. Klassen

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

Dr. Christine L. Klassen treated 158 Medicare patients in 2024, average age 72

CMS counts 158 Medicare patients who saw Dr. Klassen in 2024. The largest group is 65 to 74, with 87 patients. 67% of them have high cholesterol, and 61% have cancer. Their average risk score is 0.85, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Klassen's median patient age at 63, with 98% women.

Medicare patients, 2024158
Average age72
Average risk score0.85

Dr. Klassen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. High cholesterol67%
  2. Cancer61%
  3. High blood pressure57%
  4. Arthritis42%
  5. Osteoporosis31%
  6. Mood disorders23%
  7. Anxiety21%
  8. Depression21%

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

Dr. Klassen's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women98%
  • Men2%

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

Dr. Christine L. Klassen wrote 167 Medicare Part D claims in 2024

In 2024, Dr. Klassen wrote 167 Medicare Part D claims for 58 patients. 95% of them were for generic drugs. CMS names the drug for 137 of them, across 5 drugs with 11 or more claims each, at $5,547 in total drug cost. In 2023, CMS named 133 claims across 5 drugs.

Part D claims, 2024167
Drugs named by CMS5
Total drug cost$5,547
Part D patients58

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

  • Generic158 claims95%
  • Brand-name and other9 claims5%

Dr. Klassen'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1332024: 1373%

Drugs named by CMS: 5 in 2024, 5 in 2023.

See all prescribing by Dr. Klassen

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. Christine L. Klassen offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Christine L. Klassen has 20 publications on record

Dmand AI links 20 papers to Dr. Klassen, published from 2015 to 2024. 2024 was the busiest year, with 3. The most frequent topics are Breast Neoplasms, Breast and Breast Diseases. Dr. Klassen has published most often in Cleve Clin J Med. Dr. Klassen's most frequent co-authors are Sandhya Pruthi, MD, Karthik Ghosh, MD and Kenneth K. Sakata, MD.

Papers20
Years published2015 to 2024

Dr. Klassen's papers by year, 2015 to 2024

Topics Dr. Klassen writes about most

  • Breast Neoplasms
  • Breast
  • Breast Diseases
  • Mammography
  • Anti-Bacterial Agents
  • Carcinoma, Intraductal, Noninfiltrating
  • Genetic Predisposition to Disease
  • Hyperplasia

Dr. Klassen's most frequent co-authors

Recent publications by Dr. Klassen

See all 20 publications and co-authors

See who Dr. Klassen researches with

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

How network discovery works

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

Dr. Christine L. Klassen has 1 award and honors on record

Dmand AI lists 1 award for Dr. Klassen, most recently AOA Inductee 2011 in 2011.

Awards and honors for Dr. Klassen

  1. 2011
    • AOA Inductee 2011

Source: Dmand AI Professional Profile Data

Dr. Christine L. Klassen graduated from University of Arizona College of Medicine

Dr. Klassen graduated from University of Arizona College of Medicine in 2011. Dr. Klassen is a member of AOA.

  1. Medical schoolUniversity of Arizona College of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Christine L. Klassen accepts plans from 17 insurance carriers

Dr. Klassen is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Klassen accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO7
  4. POS6
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Christine L. Klassen'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
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. Christine L. Klassen

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. Christine L. Klassen's NPI number?

Dr. Christine L. Klassen's NPI number is 1801186705. It was assigned on April 12, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Christine L. Klassen?

Dr. Christine L. Klassen is an internist in Rochester, Minnesota. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Christine L. Klassen practice?

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

What is Dr. Christine L. Klassen's office phone number?

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

What is Dr. Christine L. Klassen's medical license number?

Dr. Klassen's Minnesota license number on file is 61098, one of the licenses on file in 2 states.

Which states has Dr. Christine L. Klassen been licensed in?

Dmand AI has state licenses on file for Dr. Klassen in Minnesota (2016 to 2025) and Arizona (2012 to 2026).

Which hospitals is Dr. Christine L. Klassen affiliated with?

Dr. Klassen practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota.

What medical group is Dr. Christine L. Klassen part of?

Dr. Klassen is linked to Mayo Clinic.

Does Dr. Christine L. Klassen accept Medicare?

Yes. CMS data shows Dr. Klassen billed Medicare for 210 services in 2024, and Dr. Klassen accepts Medicare assignment.

Does Dr. Christine L. Klassen offer telehealth?

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

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Christine L. Klassen see?

CMS counts 158 Medicare patients who saw Dr. Klassen in 2024, with an average age of 72.

Is Dr. Christine L. Klassen board certified?

Yes. Dr. Klassen is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Christine L. Klassen bill to Medicare?

In 2024, Dr. Klassen's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99205).

Where did Dr. Christine L. Klassen go to medical school?

Dr. Klassen graduated from University of Arizona College of Medicine in 2011.

What drugs does Dr. Christine L. Klassen prescribe most?

In 2024 Medicare Part D data, Dr. Klassen's most prescribed drugs by claims were Tamoxifen Citrate, Letrozole and Anastrozole.

How long has Dr. Christine L. Klassen been practicing?

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

Does Dr. Christine L. Klassen do research?

Dmand AI links 20 publications to Dr. Klassen, published from 2015 to 2024.

Who does Dr. Christine L. Klassen publish with?

Dr. Klassen's most frequent co-authors are Sandhya Pruthi, MD (7 shared papers), Karthik Ghosh, MD (5 shared papers) and Kenneth K. Sakata, MD (5 shared papers).

What insurance does Dr. Christine L. Klassen accept?

Dr. Klassen is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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