Johnson K. Duncan III
- Medicare patients, 2024
- 157
- Part D claims, 2024
- 313
- Hospital affiliations
- 2
- Industry payments
- $16
- Medical groups
- 3
- Practice address
- 1055 North Curtis Road, Boise, ID 83706
- Practice phone
- Call (208) 367-2121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Johnson Duncan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Johnson K. Duncan III is a nurse practitioner in Boise, Idaho
Johnson Duncan practices at Saint Alphonsus Regional Medical Center in Boise, Idaho, part of Trinity Health.
Johnson Duncan's NPI, 1326798232, was assigned on March 24, 2022. Johnson Duncan holds Idaho license 71970.
- NPI
- 1326798232NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668869157
- NPI enumeration date
- March 24, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (208) 367-2121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Johnson K. Duncan III practices at Saint Alphonsus Regional Medical Center in Boise, Idaho
Johnson Duncan's primary practice is Saint Alphonsus Regional Medical Center, at 1055 North Curtis Road, Boise, ID 83706 in Ada County. The practice phone is (208) 367-2121.
- Saint Alphonsus Regional Medical Center1055 North Curtis Road, Boise, ID 83706 · Ada CountyPhone(208) 367-2121
Source: Dmand AI Affiliation Data
Johnson K. Duncan III is affiliated with 2 sites of care and 3 medical groups
Johnson Duncan's primary practice is Saint Alphonsus Regional Medical Center in Boise, Idaho, part of Trinity Health. Johnson Duncan is also affiliated with Cheyenne River Health Center. The medical group on file is Saint Alphonsus Regional Medical Center. Dmand AI also links Johnson Duncan to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Johnson K. Duncan III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Johnson Duncan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Alphonsus Regional Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Johnson K. Duncan III is one of 510 nurse practitioners in Idaho
Nurse practitioner is Johnson Duncan's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Johnson Duncan is licensed in Idaho.
Specialties and state licenses
- Nurse practitioner, IdahoPrimary
Nurse practitioners near Johnson Duncan
Counts of nurse practitioners 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
Johnson K. Duncan III treated 157 Medicare patients in 2024, average age 73
CMS counts 157 Medicare patients who saw Johnson Duncan in 2024. The largest group is 65 to 74, with 65 patients. 72% of them have high cholesterol, and 66% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Johnson Duncan's median patient age at 69, with 52% women.
Johnson Duncan's Medicare patients by age, 2024
Johnson Duncan's Medicare patients by sex, 2024
- Women10265%
- Men5535%
Chronic conditions among Johnson Duncan's Medicare patients, 2024
- High cholesterol72%
- High blood pressure66%
- Arthritis46%
- Diabetes26%
- Anxiety25%
- Mood disorders24%
- Depression23%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Johnson Duncan'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
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Johnson K. Duncan III wrote 313 Medicare Part D claims in 2024
In 2024, Johnson Duncan wrote 313 Medicare Part D claims for 249 patients. 93% of them were for generic drugs.
Johnson Duncan's Part D claims by kind of drug, 2024
- Generic292 claims93%
- Brand-name21 claims7%
Drug classes CMS tracks in Johnson Duncan's Part D claims, 2024
- Antibiotics54%169 of 313 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
How Johnson K. Duncan III takes part in Medicare
Johnson Duncan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Johnson K. Duncan III received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Johnson Duncan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $16.
Companies that paid Johnson Duncan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Johnson K. Duncan III'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Johnson K. Duncan III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Johnson K. Duncan III's NPI number?
Johnson K. Duncan III's NPI number is 1326798232. It was assigned on March 24, 2022, and it is active in the NPI Registry.
What does Johnson K. Duncan III specialize in?
Johnson K. Duncan III is a nurse practitioner in Boise, Idaho. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Johnson K. Duncan III practice?
Johnson Duncan practices at 1055 North Curtis Road, Boise, ID 83706. Johnson Duncan's primary practice is Saint Alphonsus Regional Medical Center in Boise, Idaho, part of Trinity Health. Dmand AI also links Johnson Duncan to 2 medical groups.
What is Johnson K. Duncan III's office phone number?
The practice phone on file for Johnson Duncan is (208) 367-2121.
What is Johnson K. Duncan III's medical license number?
Johnson Duncan holds Idaho license 71970.
Which hospitals is Johnson K. Duncan III affiliated with?
Johnson Duncan practices at Saint Alphonsus Regional Medical Center in Boise, Idaho. Johnson Duncan is also affiliated with Cheyenne River Health Center.
What medical group is Johnson K. Duncan III part of?
Johnson Duncan is linked to Saint Alphonsus Regional Medical Center. Dmand AI links Johnson Duncan to 2 more medical groups.
Does Johnson K. Duncan III accept Medicare?
Yes. CMS lists Johnson Duncan as accepting Medicare assignment.
How many Medicare patients does Johnson K. Duncan III see?
CMS counts 157 Medicare patients who saw Johnson Duncan in 2024, with an average age of 73.
Has Johnson K. Duncan III received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Johnson Duncan from 1 company from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Johnson K. Duncan III been practicing?
Johnson Duncan graduated from medical school in 2021, 5 years ago.
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