Dr. Karin Irene Armstrong, MD

  • Saint Paul, MN
  • Hematologist and oncologist
NPI1730116088PAC ID9537123005
Medicare services, 2024
12,900
Medicare patients, 2024
322
Part D claims, 2024
862
Publications
1
MIPS score, 2024
89
Practice address
1580 Beam E Ave, Saint Paul, MN 55109
Practice phone
Call (651) 779-7978
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Minnesota Oncology Hematology, PA

Saint Paul, Minnesota

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Dr. Karin Irene Armstrong is a hematologist and oncologist in Saint Paul, Minnesota

Dr. Armstrong practices at Minnesota Oncology Hematology, PA in Saint Paul, Minnesota.

Dr. Armstrong's NPI, 1730116088, was assigned on June 26, 2006. Dr. Armstrong graduated from Temple University School of Medicine in 2000. Dr. Armstrong holds Minnesota license 50374.

NPI and contact details
Medicare PAC ID
9537123005
NPI enumeration date
June 26, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(651) 779-7978
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
52
Medical school graduation
2000

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

Dr. Karin Irene Armstrong practices at Minnesota Oncology Hematology, PA in Saint Paul, Minnesota

Dr. Armstrong's primary practice is Minnesota Oncology Hematology, PA, at 1580 Beam E Ave, Saint Paul, MN 55109 in Ramsey County. The practice phone is (651) 779-7978.

  • Minnesota Oncology Hematology, PA
    1580 Beam E Ave, Saint Paul, MN 55109 · Ramsey CountyPhone(651) 779-7978

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Karin Irene Armstrong is affiliated with 7 sites of care and 2 medical groups

Dr. Armstrong's primary practice is Minnesota Oncology Hematology, PA in Saint Paul, Minnesota. Dr. Armstrong is also affiliated with United Hospital. The medical group on file is Buffalo Hospital. Dmand AI also links Dr. Armstrong to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Armstrong

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Karin Irene Armstrong's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armstrong practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Minnesota Oncology Hematology, PAAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Karin Irene Armstrong is one of 213 hematologists and oncologists in Minnesota

Hematology and oncology is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Armstrong is licensed in Minnesota.

Specialties and state licenses

  • Hematology and oncology, MinnesotaPrimaryLicense 50374 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Armstrong

Counts of hematologists and oncologists 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. Karin Irene Armstrong billed Medicare for 12,900 services in 2024

CMS data shows 12,900 Medicare services from Dr. Armstrong across 36 procedure codes in 2024, for 322 Medicare patients. Medicare paid $115,150 for them. Every service was in an office.

Medicare services, 202412,900
Medicare patients322
Paid by Medicare$115,150
Procedure codes36

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

  • 2023
  • 2024
Drugs given in the office
2023: 8,8502024: 9,2174%
Lab and pathology
2023: 1,0442024: 1,48943%
Tests and treatments
2023: 9762024: 1,08411%
Surgery
2023: 3172024: 42333%
Office and hospital visits
2023: 3412024: 39115%
Other services
2023: 122024: 2962367%

Dr. Armstrong compared with the Minnesota median for hematologists and oncologists, 2024

  • Dr. Armstrong
  • Minnesota median
Medicare services
12,900vs 38433.6 times
Medicare patients
322vs 1502.1 times
Part D claims
685vs 3282.1 times

Medians across 209 hematologists and oncologists in Minnesota with Dmand AI profiles that report each measure.

Dr. Armstrong'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. Armstrong

Need commercial claims for Dr. Armstrong?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Armstrong and other hematologists and oncologists in Minnesota.

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

Dr. Karin Irene Armstrong treated 322 Medicare patients in 2024, average age 74

CMS counts 322 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 65 to 74, with 144 patients. 65% of them have high blood pressure, and 59% have high cholesterol. 10% are also on Medicaid. Their average risk score is 2.23, 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. Armstrong's median patient age at 69, with 69% women.

Medicare patients, 2024322
Average age74
Average risk score2.23
Also on Medicaid10%

Dr. Armstrong's Medicare patients by age, 2024

Dr. Armstrong's Medicare patients by sex, 2024

  • Women22670%
  • Men9630%

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

  1. High blood pressure65%
  2. High cholesterol59%
  3. Cancer54%
  4. Arthritis42%
  5. Chronic kidney disease29%
  6. Ischemic heart disease28%
  7. Mood disorders28%
  8. Anxiety26%

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

Dr. Armstrong's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women69%
  • Men31%

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

Dr. Karin Irene Armstrong wrote 862 Medicare Part D claims in 2024

In 2024, Dr. Armstrong wrote 862 Medicare Part D claims for 168 patients. 79% of them were for generic drugs. CMS names the drug for 685 of them, across 24 drugs with 11 or more claims each, at $1,921,612 in total drug cost. In 2023, CMS named 518 claims across 18 drugs.

Part D claims, 2024862
Drugs named by CMS24
Total drug cost$1.9M
Part D patients168

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

  • Generic682 claims79%
  • Brand-name180 claims21%

Dr. Armstrong'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. Armstrong's Part D claims, 2024

  • Opioids6%54 of 862 claims
  • Antibiotics3%29 of 862 claims
  • Antipsychotics, patients 65 and over2%13 of 862 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: 5182024: 68532%

Drugs named by CMS: 24 in 2024, 18 in 2023.

See all prescribing by Dr. Armstrong

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. Karin Irene Armstrong scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Armstrong for performance year 2024, reported through an alternative payment model (APM). Dr. Armstrong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Armstrong's MIPS scores, performance year 2024

  • 89of 100Final score
  • 72.3of 100Quality
  • 98of 100Promoting Interoperability
  • 40of 100Improvement Activities

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. Karin Irene Armstrong has 1 publication on record

Dmand AI links 1 paper to Dr. Armstrong in 2017. Dr. Armstrong's most frequent co-authors are Thomas J. Fitzgerald, MD, PhD, Shalom Kalnicki, MD and Daniel Moriarty, MD.

Papers1

Dr. Armstrong's most frequent co-authors

Recent publications by Dr. Armstrong

See all 1 publications and co-authors

See who Dr. Armstrong researches with

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

How network discovery works

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

Dr. Karin Irene Armstrong received $194 in industry payments from 2020 to 2022

CMS Open Payments shows 6 general payments to Dr. Armstrong from 5 drug and device companies from 2020 to 2022. Grants make up the largest share, 62% of the total. Allergan Inc. paid the most, $120.

General payments to Dr. Armstrong by program year, 2020 to 2022

General payments to Dr. Armstrong by kind, 2020 to 2022

$194in total
  • Grants$12062%
  • Education$7438%

Companies that paid Dr. Armstrong the most, 2020 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Armstrong

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

Dr. Karin Irene Armstrong graduated from Temple University School of Medicine

Dr. Armstrong graduated from Temple University School of Medicine in 2000.

  1. Medical schoolTemple University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Karin Irene Armstrong'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (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
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. Karin Irene Armstrong

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. Karin Irene Armstrong's NPI number?

Dr. Karin Irene Armstrong's NPI number is 1730116088. It was assigned on June 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Karin Irene Armstrong?

Dr. Karin Irene Armstrong is a hematologist and oncologist in Saint Paul, Minnesota. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Karin Irene Armstrong practice?

Dr. Armstrong practices at 1580 Beam E Ave, Saint Paul, MN 55109. Dr. Armstrong's primary practice is Minnesota Oncology Hematology, PA in Saint Paul, Minnesota. Dmand AI also links Dr. Armstrong to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Karin Irene Armstrong's office phone number?

The practice phone on file for Dr. Armstrong is (651) 779-7978.

What is Dr. Karin Irene Armstrong's medical license number?

Dr. Armstrong holds Minnesota license 50374.

Which hospitals is Dr. Karin Irene Armstrong affiliated with?

Dr. Armstrong is affiliated with United Hospital. Dmand AI links Dr. Armstrong to 3 more hospitals.

What medical group is Dr. Karin Irene Armstrong part of?

Dr. Armstrong is linked to Buffalo Hospital. Dmand AI links Dr. Armstrong to 1 more medical group.

Does Dr. Karin Irene Armstrong accept Medicare?

Yes. CMS data shows Dr. Armstrong billed Medicare for 12,900 services in 2024, and Dr. Armstrong accepts Medicare assignment.

What is Dr. Karin Irene Armstrong's MIPS score?

Dr. Armstrong's MIPS final score for performance year 2024 is 89 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Karin Irene Armstrong see?

CMS counts 322 Medicare patients who saw Dr. Armstrong in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

What services does Dr. Karin Irene Armstrong bill to Medicare?

In 2024, Dr. Armstrong's most billed Medicare services were injected or infused drug (J0185), injected or infused drug (J1100) and injected or infused drug (J1626).

Where did Dr. Karin Irene Armstrong go to medical school?

Dr. Armstrong graduated from Temple University School of Medicine in 2000.

What drugs does Dr. Karin Irene Armstrong prescribe most?

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

Has Dr. Karin Irene Armstrong received payments from drug or device companies?

CMS Open Payments shows $194 in general payments to Dr. Armstrong from 5 companies from 2020 to 2022. The largest total came from Allergan Inc.

How long has Dr. Karin Irene Armstrong been practicing?

Dr. Armstrong graduated from medical school in 2000, 26 years ago.

Does Dr. Karin Irene Armstrong do research?

Dmand AI links 1 publication to Dr. Armstrong.

Who does Dr. Karin Irene Armstrong publish with?

Dr. Armstrong's most frequent co-authors are Thomas J. Fitzgerald, MD, PhD (1 shared paper), Shalom Kalnicki, MD (1 shared paper) and Daniel Moriarty, MD (1 shared paper).

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