Dr. Karen Ann Johnson, MD
- Medicare services, 2024
- 2,103
- Medicare patients, 2024
- 848
- MIPS score, 2024
- 90
- Hospital affiliations
- 5
- Industry payments
- $170
- Practice address
- 190 East Bannock Street, Boise, ID 83712
- Practice phone
- Call (208) 381-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Karen Ann Johnson is a pathologist in Boise, Idaho
Dr. Johnson practices at St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System.
Dr. Johnson's NPI, 1386960466, was assigned on April 14, 2010. Dr. Johnson graduated from Loma Linda University School of Medicine in 2009. Dr. Johnson holds Idaho license M-12977.
- NPI
- 1386960466NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062729346
- NPI enumeration date
- April 14, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (208) 381-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen Ann Johnson practices at St. Luke's Boise Medical Center in Boise, Idaho
Dr. Johnson's primary practice is St. Luke's Boise Medical Center, at 190 East Bannock Street, Boise, ID 83712 in Ada County. The practice phone is (208) 381-2222.
- St. Luke's Boise Medical Center190 East Bannock Street, Boise, ID 83712 · Ada CountyPhone(208) 381-2222
Source: Dmand AI Affiliation Data
Dr. Karen Ann Johnson is affiliated with 6 sites of care and 1 medical group
Dr. Johnson's primary practice is St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System. Dr. Johnson is also affiliated with St. Luke's Nampa Medical Center. The medical group on file is Boise Pathology Group. Dmand AI also links Dr. Johnson to 3 more hospitals and 1 breast imaging center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen Ann Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Luke's Boise Medical Center | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen Ann Johnson is one of 42 pathologists in Idaho
Anatomic pathology and clinical pathology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Johnson is licensed in Idaho.
Specialties and state licenses
- Anatomic pathology and clinical pathology, IdahoPrimary
Pathologists near Dr. Johnson
Counts of pathologists 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. Karen Ann Johnson billed Medicare for 2,103 services in 2024
CMS data shows 2,103 Medicare services from Dr. Johnson across 19 procedure codes in 2024, for 848 Medicare patients. Medicare paid $53,754 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,5072024: 2,10316%
Where Dr. Johnson's Medicare services took place, 2024
- In an office23411%
- In a facility1,86989%
Dr. Johnson compared with the Idaho median for pathologists, 2024
- Dr. Johnson
- Idaho median
- Medicare services
- 2,103vs 2,010Close to median
- Medicare patients
- 848vs 811Close to median
Medians across 41 pathologists in Idaho with Dmand AI profiles that report each measure.
Dr. Johnson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other pathologists in Idaho.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen Ann Johnson treated 848 Medicare patients in 2024, average age 74
CMS counts 848 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 395 patients. 70% of them have high blood pressure, and 66% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.64, 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. Johnson's median patient age at 70, with 61% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women42050%
- Men42850%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure70%
- High cholesterol66%
- Arthritis49%
- Chronic kidney disease31%
- Cancer27%
- Mood disorders26%
- Depression25%
- Atrial fibrillation24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's 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
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen Ann Johnson scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 90of 100Final score
- 80of 100Quality
- 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. Karen Ann Johnson received $170 in industry payments from 2016 to 2018
CMS Open Payments shows 2 general payments to Dr. Johnson from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Foundation Medicine, Inc. paid the most, $87.
General payments to Dr. Johnson by program year, 2016 to 2018
Companies that paid Dr. Johnson the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen Ann Johnson graduated from Loma Linda University School of Medicine
Dr. Johnson graduated from Loma Linda University School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen Ann Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karen Ann Johnson
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What is Dr. Karen Ann Johnson's NPI number?
Dr. Karen Ann Johnson's NPI number is 1386960466. It was assigned on April 14, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen Ann Johnson?
Dr. Karen Ann Johnson is a pathologist in Boise, Idaho. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Karen Ann Johnson practice?
Dr. Johnson practices at 190 East Bannock Street, Boise, ID 83712. Dr. Johnson's primary practice is St. Luke's Boise Medical Center in Boise, Idaho, part of St. Luke's Health System. Dmand AI also links Dr. Johnson to 3 hospitals and 1 breast imaging center.
What is Dr. Karen Ann Johnson's office phone number?
The practice phone on file for Dr. Johnson is (208) 381-2222.
What is Dr. Karen Ann Johnson's medical license number?
Dr. Johnson holds Idaho license M-12977.
Which hospitals is Dr. Karen Ann Johnson affiliated with?
Dr. Johnson practices at St. Luke's Boise Medical Center in Boise, Idaho. Dr. Johnson is also affiliated with St. Luke's Nampa Medical Center. Dmand AI links Dr. Johnson to 3 more hospitals.
What medical group is Dr. Karen Ann Johnson part of?
Dr. Johnson is linked to Boise Pathology Group.
Does Dr. Karen Ann Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 2,103 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. Karen Ann Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Karen Ann Johnson see?
CMS counts 848 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Karen Ann Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (84165).
Where did Dr. Karen Ann Johnson go to medical school?
Dr. Johnson graduated from Loma Linda University School of Medicine in 2009.
Has Dr. Karen Ann Johnson received payments from drug or device companies?
CMS Open Payments shows $170 in general payments to Dr. Johnson from 2 companies from 2016 to 2018. The largest total came from Foundation Medicine, Inc.
How long has Dr. Karen Ann Johnson been practicing?
Dr. Johnson graduated from medical school in 2009, 17 years ago.
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