Isabelle Joffer, CNP
- Medicare patients, 2024
- 55
- Part D claims, 2024
- 44
- Hospital affiliations
- 1
- Industry payments
- $94
- Medical group
- 1
- Practice address
- 1325 S Cliff Ave Post Office Box 5045, Sioux Falls, SD 57117
- Practice phone
- Call (605) 322-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Isabelle Joffer'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.
Isabelle Joffer is a nurse practitioner in Sioux Falls, South Dakota
Isabelle Joffer practices at Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota, part of Avera Health.
Isabelle Joffer's NPI, 1073379483, was assigned on February 23, 2024. Isabelle Joffer holds South Dakota license CP003110.
- NPI
- 1073379483NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214377183
- NPI enumeration date
- February 23, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 322-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Isabelle Joffer practices at Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota
Isabelle Joffer's primary practice is Avera McKennan Hospital & University Health Center, at 1325 S Cliff Ave Post Office Box 5045, Sioux Falls, SD 57117 in Minnehaha County. The practice phone is (605) 322-8000.
- Avera McKennan Hospital & University Health Center1325 S Cliff Ave Post Office Box 5045, Sioux Falls, SD 57117 · Minnehaha CountyPhone(605) 322-8000
Source: Dmand AI Affiliation Data
Isabelle Joffer is affiliated with 2 sites of care and 1 medical group
Isabelle Joffer's primary practice is Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota, part of Avera Health. The medical group on file is Avera McKennan Hospital & University Health Center. Dmand AI also links Isabelle Joffer to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Isabelle Joffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Isabelle Joffer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Avera McKennan Hospital & University Health Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Isabelle Joffer is one of 404 nurse practitioners in South Dakota
Nurse practitioner is Isabelle Joffer's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Isabelle Joffer is licensed in South Dakota.
Specialties and state licenses
- Nurse practitioner, South DakotaPrimary
Nurse practitioners near Isabelle Joffer
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
Isabelle Joffer treated 55 Medicare patients in 2024, average age 72
CMS counts 55 Medicare patients who saw Isabelle Joffer in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 2.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Isabelle Joffer's median patient age at 65, with 44% women.
Isabelle Joffer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Isabelle Joffer's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol71%
- Arthritis45%
- Anxiety35%
- Mood disorders31%
- Depression29%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
Isabelle Joffer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Isabelle Joffer wrote 44 Medicare Part D claims in 2024
In 2024, Isabelle Joffer wrote 44 Medicare Part D claims for 16 patients. 95% of them were for generic drugs.
Isabelle Joffer's Part D claims by kind of drug, 2024
- Generic42 claims95%
- Brand-name and other2 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Isabelle Joffer takes part in Medicare
Isabelle Joffer 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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Isabelle Joffer received $94 in industry payments in 2025
CMS Open Payments shows 6 general payments to Isabelle Joffer from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Daiichi Sankyo Inc. paid the most, $31.
Companies that paid Isabelle Joffer 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 Isabelle Joffer'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 Isabelle Joffer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Isabelle Joffer's NPI number?
Isabelle Joffer's NPI number is 1073379483. It was assigned on February 23, 2024, and it is active in the NPI Registry.
What does Isabelle Joffer specialize in?
Isabelle Joffer is a nurse practitioner in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Isabelle Joffer practice?
Isabelle Joffer practices at 1325 S Cliff Ave Post Office Box 5045, Sioux Falls, SD 57117. Isabelle Joffer's primary practice is Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota, part of Avera Health. Dmand AI also links Isabelle Joffer to 1 group practice or clinic.
What is Isabelle Joffer's office phone number?
The practice phone on file for Isabelle Joffer is (605) 322-8000.
What is Isabelle Joffer's medical license number?
Isabelle Joffer holds South Dakota license CP003110.
Which hospitals is Isabelle Joffer affiliated with?
Isabelle Joffer practices at Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota.
What medical group is Isabelle Joffer part of?
Isabelle Joffer is linked to Avera McKennan Hospital & University Health Center.
Does Isabelle Joffer accept Medicare?
Yes. CMS lists Isabelle Joffer as accepting Medicare assignment.
How many Medicare patients does Isabelle Joffer see?
CMS counts 55 Medicare patients who saw Isabelle Joffer in 2024, with an average age of 72.
Has Isabelle Joffer received payments from drug or device companies?
CMS Open Payments shows $94 in general payments to Isabelle Joffer from 4 companies from 2025 to 2025. The largest total came from Daiichi Sankyo Inc.
How long has Isabelle Joffer been practicing?
Isabelle Joffer graduated from medical school in 2023, 3 years ago.
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