Katherine Piekarz, APN
Registered Nurse · Elgin, IL
Katherine Piekarz, APN is a registered nurse with a practice address in Elgin, Illinois, and NPI 1265898928, issued on Jan 12, 2016. Check the license (Illinois 209.013709, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Piekarz
- Credential
- APN
- Primary taxonomy
- Registered Nurse 163W00000X
- License numbers
- 209.013709 IL
041.413438 IL
Self-reported in NPPES; status is on the state search - Practice location
- 450 Dundee Ave, Elgin, IL 60120
- Phone
- (844) 599-3700
- Enumerated
- Jan 12, 2016
- Entity
- Type 1 · individual
Also registered at 450 Dundee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lorene AkroushDentist1104602333
- Stephannie Davies, MDPediatric Allergy/Immunology Physician1881078616
- Kapila Marepalli, MDPediatrics Physician1427558402
- Neelam Patel, PA-CInternal Medicine Physician1194314880
- Meliza Quesea, DDSGeneral Practice Dentistry1184874489
- Bhanumathi Raju, M.D.Geriatric Medicine (Internal Medicine) Physician1235238452
Verify Katherine Piekarz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.013709Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
37 registered nurse records list a Elgin practice address
They are 37 of the 2,268 NPPES records with a Elgin practice address, and 3,996 registered nurse records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 37 in Elgin → All 3,996 in Illinois → Every provider in Elgin →
Other registered nurse records in Illinois
- Crystal Aandahl, FNPNorth Chicago, IL1316497068
- Hannah Aba, RNLombard, IL1285248765
- Rowena Abasolo, A.P.N.Elk Grove Village, IL1891099776
- Rashidah Abdullah, CNM, RN, CBC, CLCChicago, IL1043774763
- Mercy Abunaw, FNP-CRockford, IL1356888531
- Cindy AbundizAddison, IL1831907823
- Mohammad Abusaoud, RNOrland Hills, IL1225757750
- Heather Ackerman, APRNChatham, IL1740018241
- Jean Ackerson, APRN-BCWauconda, IL1932458189
- Cecilia Ackmann, APN, CNPChicago, IL1649284357
Common questions
What is Katherine Piekarz, APN's NPI number?
Katherine Piekarz, APN's National Provider Identifier (NPI) is 1265898928, issued on Jan 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Piekarz, APN located?
The NPPES record lists a practice address at 450 Dundee Ave, Elgin, IL, 60120. Phone: (844) 599-3700. Providers update this record themselves, so call before visiting.
How can I verify Katherine Piekarz, APN's license?
NPPES lists Illinois license number 209.013709, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.