Kara J. Johnson, PA-C

  • Ames, IA
  • Physician assistant
NPI1821471822PAC ID9436464948
Medicare patients, 2024
357
Part D claims, 2024
330
Hospital affiliations
1
Industry payments
$176
Medical groups
2
Practice address
1215 Duff Ave, Ames, IA 50010
Practice phone
Call (515) 239-4436
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

McFarland Clinic - 1215 Duff Avenue Office

Mammography / Breast Imaging Center · Ames, Iowa

See all 6 affiliations

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Kara J. Johnson is a physician assistant in Ames, Iowa

Kara Johnson practices at McFarland Clinic - 1215 Duff Avenue Office in Ames, Iowa.

Kara Johnson's NPI, 1821471822, was assigned on July 8, 2015. Kara Johnson holds Iowa license 078937.

NPI and contact details
Medicare PAC ID
9436464948
NPI enumeration date
July 8, 2015
NPI status
Active
Practice phone
(515) 239-4436
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Kara J. Johnson practices at McFarland Clinic - 1215 Duff Avenue Office in Ames, Iowa

Kara Johnson's primary practice is McFarland Clinic - 1215 Duff Avenue Office, at 1215 Duff Ave, Ames, IA 50010. The practice phone is (515) 239-4436.

  • McFarland Clinic - 1215 Duff Avenue Office
    1215 Duff Ave, Ames, IA 50010Phone(515) 239-4436

Source: Dmand AI Affiliation Data

Kara J. Johnson is affiliated with 4 sites of care and 2 medical groups

Kara Johnson's primary practice is McFarland Clinic - 1215 Duff Avenue Office in Ames, Iowa. Kara Johnson is also affiliated with Mary Greeley Medical Center. The medical group on file is McFarland Clinic. Dmand AI also links Kara Johnson to 2 more group practices and clinics and 1 medical group, each named with a free account. Kara Johnson's employer is on file too: a breast imaging center.

See all 6 affiliations for Kara Johnson

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

Dmand AI tracks the EHR system at Kara J. Johnson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Kara Johnson practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
McFarland Clinic - 1215 Duff Avenue OfficeAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Kara J. Johnson is one of 1,210 physician assistants in Iowa

Physician assistant is Kara Johnson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Kara Johnson is licensed in Iowa.

Specialties and state licenses

  • Physician assistant, IowaPrimaryLicense 078937 · taxonomy 363A00000X

Physician assistants near Kara Johnson

Counts of physician assistants 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

Kara J. Johnson treated 357 Medicare patients in 2024, average age 75

CMS counts 357 Medicare patients who saw Kara Johnson in 2024. The largest group is 65 to 74, with 188 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.00, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Kara Johnson's median patient age at 63, with 56% women.

Medicare patients, 2024357
Average age75
Average risk score1.00

Kara Johnson's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Kara Johnson's Medicare patients by sex, 2024

  • Women19454%
  • Men16346%

Chronic conditions among Kara Johnson's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure71%
  4. Diabetes21%
  5. Ischemic heart disease21%
  6. Depression19%
  7. Mood disorders19%
  8. Atrial fibrillation17%

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

Kara 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 63

Patient panel by sex, all payers

  • Women56%
  • Men44%

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

Kara J. Johnson wrote 330 Medicare Part D claims in 2024

In 2024, Kara Johnson wrote 330 Medicare Part D claims for 104 patients. 97% of them were for generic drugs.

Part D claims, 2024330
Part D patients104

Kara Johnson's Part D claims by kind of drug, 2024

  • Generic321 claims97%
  • Brand-name and other9 claims3%

Drug classes CMS tracks in Kara Johnson's Part D claims, 2024

  • Opioids37%123 of 330 claims
  • Antibiotics14%46 of 330 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Kara J. Johnson received $176 in industry payments in 2025

CMS Open Payments shows 1 general payment to Kara Johnson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $176.

Companies that paid Kara Johnson the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Kara Johnson

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

Sources for Kara J. Johnson'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 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 (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Kara J. Johnson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Kara J. Johnson's NPI number?

Kara J. Johnson's NPI number is 1821471822. It was assigned on July 8, 2015, and it is active in the NPI Registry.

What does Kara J. Johnson specialize in?

Kara J. Johnson is a physician assistant in Ames, Iowa. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Kara J. Johnson practice?

Kara Johnson practices at 1215 Duff Ave, Ames, IA 50010. Kara Johnson's primary practice is McFarland Clinic - 1215 Duff Avenue Office in Ames, Iowa. Dmand AI also links Kara Johnson to 2 group practices and clinics and 1 medical group.

What is Kara J. Johnson's office phone number?

The practice phone on file for Kara Johnson is (515) 239-4436.

What is Kara J. Johnson's medical license number?

Kara Johnson holds Iowa license 078937.

Which hospitals is Kara J. Johnson affiliated with?

Kara Johnson is affiliated with Mary Greeley Medical Center.

What medical group is Kara J. Johnson part of?

Kara Johnson is linked to McFarland Clinic. Dmand AI links Kara Johnson to 1 more medical group.

How many Medicare patients does Kara J. Johnson see?

CMS counts 357 Medicare patients who saw Kara Johnson in 2024, with an average age of 75.

Has Kara J. Johnson received payments from drug or device companies?

CMS Open Payments shows $176 in general payments to Kara Johnson from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.

How long has Kara J. Johnson been practicing?

Kara Johnson graduated from medical school in 2015, 11 years ago.

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