Karen Walczak, NP
- Part D claims, 2024
- 490
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 220 W Colfax Ave, South Bend, IN 46601
- Practice phone
- Call (574) 546-1900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Guidestar Eldercare
South Bend, Indiana
Find Karen Walczak'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.
Karen Walczak is a family nurse practitioner in South Bend, Indiana
Karen Walczak practices at Guidestar Eldercare in South Bend, Indiana.
Karen Walczak's NPI, 1487068995, was assigned on June 12, 2014. Karen Walczak holds Indiana license 71006129A.
- NPI
- 1487068995NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204152309
- NPI enumeration date
- June 12, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (574) 546-1900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Karen Walczak practices at Guidestar Eldercare in South Bend, Indiana
Karen Walczak's primary practice is Guidestar Eldercare, at 220 W Colfax Ave, South Bend, IN 46601 in St Joseph County. The practice phone is (574) 546-1900.
- Guidestar Eldercare220 W Colfax Ave, South Bend, IN 46601 · St Joseph CountyPhone(574) 546-1900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Karen Walczak is affiliated with 2 sites of care and 1 medical group
Karen Walczak's primary practice is Guidestar Eldercare in South Bend, Indiana. The medical group on file is GuideStar Eldercare. Dmand AI also links Karen Walczak to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karen Walczak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Walczak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Guidestar Eldercare | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Karen Walczak is one of 4,830 family nurse practitioners in Indiana
Family is Karen Walczak's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Karen Walczak is licensed in Indiana.
Specialties and state licenses
- Family nurse practitioner, IndianaPrimary
Family nurse practitioners near Karen Walczak
Counts of family 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
Karen Walczak's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Karen Walczak's median patient age at 75, with 56% women.
Karen Walczak'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
- Women56%
- Men43%
Source: Dmand AI Patient Panel Data
Karen Walczak wrote 490 Medicare Part D claims in 2024
In 2024, Karen Walczak wrote 490 Medicare Part D claims for 60 patients. 94% of them were for generic drugs.
Karen Walczak's Part D claims by kind of drug, 2024
- Generic462 claims94%
- Brand-name and other28 claims6%
Drug classes CMS tracks in Karen Walczak's Part D claims, 2024
- Opioids21%103 of 490 claims
- Antibiotics3%17 of 490 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 Karen Walczak takes part in Medicare
Karen Walczak 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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Sources for Karen Walczak'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Karen Walczak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karen Walczak's NPI number?
Karen Walczak's NPI number is 1487068995. It was assigned on June 12, 2014, and it is active in the NPI Registry.
What does Karen Walczak specialize in?
Karen Walczak is a family nurse practitioner in South Bend, Indiana. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Karen Walczak practice?
Karen Walczak practices at 220 W Colfax Ave, South Bend, IN 46601. Karen Walczak's primary practice is Guidestar Eldercare in South Bend, Indiana. Dmand AI also links Karen Walczak to 1 group practice or clinic.
What is Karen Walczak's office phone number?
The practice phone on file for Karen Walczak is (574) 546-1900.
What is Karen Walczak's medical license number?
Karen Walczak holds Indiana license 71006129A.
What medical group is Karen Walczak part of?
Karen Walczak is linked to GuideStar Eldercare.
Does Karen Walczak accept Medicare?
Yes. CMS lists Karen Walczak as accepting Medicare assignment.
How long has Karen Walczak been practicing?
Karen Walczak graduated from medical school in 2014, 12 years ago.
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