Stephanie S. Kalvig, ARNP
- Medicare patients, 2024
- 780
- Part D claims, 2024
- 7,276
- Hospital affiliations
- 5
- Industry payments
- $81
- Medical group
- 1
- Practice address
- 312 E Main St, Marshalltown, IA 50158
- Practice phone
- Call (515) 633-3600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MercyOne Iowa Heart Center
Marshalltown, Iowa
Find Stephanie Kalvig'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.
Stephanie S. Kalvig is a nurse practitioner in Marshalltown, Iowa
Stephanie Kalvig practices at MercyOne Iowa Heart Center in Marshalltown, Iowa.
Stephanie Kalvig's NPI, 1598955775, was assigned on July 25, 2007. Stephanie Kalvig holds Iowa license H066268.
- NPI
- 1598955775NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991890394
- NPI enumeration date
- July 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (515) 633-3600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie S. Kalvig practices at MercyOne Iowa Heart Center in Marshalltown, Iowa
Stephanie Kalvig's primary practice is MercyOne Iowa Heart Center, at 312 E Main St, Marshalltown, IA 50158 in Marshall County. The practice phone is (515) 633-3600.
- MercyOne Iowa Heart Center312 E Main St, Marshalltown, IA 50158 · Marshall CountyPhone(515) 633-3600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stephanie S. Kalvig is affiliated with 7 sites of care and 1 medical group
Stephanie Kalvig's primary practice is MercyOne Iowa Heart Center in Marshalltown, Iowa. Stephanie Kalvig is also affiliated with UnityPoint Health - Marshalltown Hospital. The medical group on file is MercyOne Iowa Heart Center. Dmand AI also links Stephanie Kalvig to 4 more hospitals and 1 group practice or clinic, each named with a free account.
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 Stephanie S. Kalvig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Kalvig practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne Iowa Heart Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephanie S. Kalvig is one of 1,051 nurse practitioners in Iowa
Nurse practitioner is Stephanie Kalvig's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Stephanie Kalvig is licensed in Iowa.
Specialties and state licenses
- Nurse practitioner, IowaPrimary
Nurse practitioners near Stephanie Kalvig
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
Stephanie S. Kalvig treated 780 Medicare patients in 2024, average age 77
CMS counts 780 Medicare patients who saw Stephanie Kalvig in 2024. The largest group is 75 to 84, with 314 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stephanie Kalvig's median patient age at 75, with 48% women.
Stephanie Kalvig's Medicare patients by age, 2024
Stephanie Kalvig's Medicare patients by sex, 2024
- Women38449%
- Men39651%
Chronic conditions among Stephanie Kalvig's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation52%
- Ischemic heart disease48%
- Arthritis42%
- Heart failure33%
- Chronic kidney disease29%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
Stephanie Kalvig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stephanie S. Kalvig wrote 7,276 Medicare Part D claims in 2024
In 2024, Stephanie Kalvig wrote 7,276 Medicare Part D claims for 966 patients. 85% of them were for generic drugs.
Stephanie Kalvig's Part D claims by kind of drug, 2024
- Generic6,163 claims85%
- Brand-name1,113 claims15%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Stephanie S. Kalvig offers telehealth to Medicare patients
Stephanie Kalvig accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Stephanie Kalvig as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Stephanie S. Kalvig received $81 in industry payments in 2025
CMS Open Payments shows 4 general payments to Stephanie Kalvig from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $57.
Companies that paid Stephanie Kalvig 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 Stephanie S. Kalvig'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 Stephanie S. Kalvig
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephanie S. Kalvig's NPI number?
Stephanie S. Kalvig's NPI number is 1598955775. It was assigned on July 25, 2007, and it is active in the NPI Registry.
What does Stephanie S. Kalvig specialize in?
Stephanie S. Kalvig is a nurse practitioner in Marshalltown, Iowa. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Stephanie S. Kalvig practice?
Stephanie Kalvig practices at 312 E Main St, Marshalltown, IA 50158. Stephanie Kalvig's primary practice is MercyOne Iowa Heart Center in Marshalltown, Iowa. Dmand AI also links Stephanie Kalvig to 4 hospitals and 1 group practice or clinic.
What is Stephanie S. Kalvig's office phone number?
The practice phone on file for Stephanie Kalvig is (515) 633-3600.
What is Stephanie S. Kalvig's medical license number?
Stephanie Kalvig holds Iowa license H066268.
Which hospitals is Stephanie S. Kalvig affiliated with?
Stephanie Kalvig is affiliated with UnityPoint Health - Marshalltown Hospital. Dmand AI links Stephanie Kalvig to 4 more hospitals.
What medical group is Stephanie S. Kalvig part of?
Stephanie Kalvig is linked to MercyOne Iowa Heart Center.
Does Stephanie S. Kalvig accept Medicare?
Yes. CMS lists Stephanie Kalvig as accepting Medicare assignment.
Does Stephanie S. Kalvig offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Stephanie Kalvig as offering telehealth services.
How many Medicare patients does Stephanie S. Kalvig see?
CMS counts 780 Medicare patients who saw Stephanie Kalvig in 2024, with an average age of 77.
Has Stephanie S. Kalvig received payments from drug or device companies?
CMS Open Payments shows $81 in general payments to Stephanie Kalvig from 2 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Stephanie S. Kalvig been practicing?
Stephanie Kalvig graduated from medical school in 2007, 19 years ago.
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