Estera Otilia Alexa, FNP
Nurse Practitioner · Chicago, IL
Estera Otilia Alexa, FNP is a nurse practitioner with a practice address in Chicago, Illinois, and NPI 1013658434, issued on Apr 7, 2022. Check the license (Illinois 209.024559, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Estera Otilia Alexa
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209.024559 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4070 N Milwaukee Ave, Chicago, IL 60641
- Phone
- (312) 374-6104
- Enumerated
- Apr 7, 2022
- Record last updated
- Jun 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20220506000441); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 4070 N Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Xiomara Nieto, FNPFamily Nurse Practitioner1619476116
Verify Estera Otilia Alexa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.024559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average nurse practitioner in 2024
121 Medicare Part D claims for 80 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin12 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
- Midwest Express Care 2, IncChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Estera Otilia Alexa among 4,892 nurse practitioner records in Illinois
Estera Otilia Alexa, FNP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 73% of them.
- NPI issued2022 · 73% of these records are older, 20% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2021 · median 2018 among the 3,389 with a school on file
- Record last updated2023 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
952 nurse practitioner records list a practice address in Chicago
They are 952 of the 63,379 NPPES records with a practice address in Chicago, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Chicago → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Caroline Rodriguez, N.P.Chicago, IL 606411205378460
- Alowonle AwedaChicago, IL 606421598543175
- Lucy Bischof, CPNPChicago, IL 606401649400458
- Jennifer DomingoChicago, IL 606421790647782
- George Jensen, NPChicago, IL 606421316737430
- Diane Judge, NPChicago, IL 606401801888193
- Anjum Khan, NPChicago, IL 606401548651979
- Kristin Lucente, APN-CNPChicago, IL 606421043778731
Common questions
What is Estera Otilia Alexa, FNP's NPI number?
Estera Otilia Alexa, FNP's National Provider Identifier (NPI) is 1013658434, issued on Apr 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Estera Otilia Alexa, FNP located?
The NPPES record lists a practice address at 4070 N Milwaukee Ave, Chicago, IL, 60641. Phone: (312) 374-6104. Providers update this record themselves, so call before visiting.
How can I verify Estera Otilia Alexa, FNP's license?
NPPES lists Illinois license number 209.024559, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Estera Otilia Alexa, FNP prescribe under Medicare Part D?
In 2024, Estera Otilia Alexa, FNP had 121 Medicare Part D claims for 80 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.