Karen Walczak, NP
Family Nurse Practitioner · Crown Point, IN
Karen Walczak, NP is a family nurse practitioner with a practice address in Crown Point, Indiana, and NPI 1487068995, issued on Jun 12, 2014. Check the license (Indiana 71006129A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Walczak
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 71006129A IN
Self-reported in NPPES; status is on the state search - Practice location
- 2100 N Main St # 304, Crown Point, IN 46307
- Phone
- (574) 546-1900
- Enumerated
- Jun 12, 2014
- Record last updated
- Mar 11, 2025
- Fax
- (574) 546-1999
- Medicare enrollment
- Enrolled (PECOS I20160323000518); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,867 in Indiana → Look up another NPI →
Also registered at 2100 N Main St # 304
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Caleb Brown, PSYDClinical Psychologist1316534480
Verify Karen Walczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71006129ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family nurse practitioner in 2024
490 Medicare Part D claims for 60 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 103 claims were for opioids.
Most prescribed
- Atorvastatin Calcium116 claims
- Hydrocodone-Acetaminophen88 claims
- Donepezil Hcl53 claims
- Tamsulosin Hcl17 claims
- Pregabalin16 claims
- Fluticasone Propionate13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Neurology And Pain Management Associates PCCrown Point, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Walczak among 5,867 family nurse practitioner records in Indiana
Karen Walczak, NP is one of 5,867 family nurse practitioner records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 25% of them.
- NPI issued2014 · 25% of these records are older, 71% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2014 · median 2018 among the 3,953 with a school on file
- Record last updated2025 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
124 family nurse practitioner records list a practice address in Crown Point
They are 124 of the 1,396 NPPES records with a practice address in Crown Point, and 5,867 family nurse practitioner records in Indiana.
All 5,867 in Indiana → Every provider in Crown Point → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jill Carley, RN MSN NPCrown Point, IN 463071265400626
- Georgene Darnell, NPCrown Point, IN 463071346351947
- Kyle Demyer, NURSE PRACTITIONERCrown Point, IN 463071316916976
- Alice Hunter, ARNPCrown Point, IN 463071528058609
- Jerri Jakich-Ortiz, MSCrown Point, IN 463071891028833
- Sarah Kats, NURSE PRACTITIONERCrown Point, IN 463071720308992
- Sandra Kurpela, MS, RNC, FNP, CNSCrown Point, IN 463071215198569
- Leslie Lembke, NPCrown Point, IN 463071235107921
Common questions
What is Karen Walczak, NP's NPI number?
Karen Walczak, NP's National Provider Identifier (NPI) is 1487068995, issued on Jun 12, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Karen Walczak, NP located?
The NPPES record lists a practice address at 2100 N Main St # 304, Crown Point, IN, 46307. Phone: (574) 546-1900. Providers update this record themselves, so call before visiting.
How can I verify Karen Walczak, NP's license?
NPPES lists Indiana license number 71006129A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Walczak, NP prescribe under Medicare Part D?
In 2024, Karen Walczak, NP had 490 Medicare Part D claims for 60 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.