Corina Constantinescu, FNP-C
Family Nurse Practitioner · Chicago, IL
Corina Constantinescu, FNP-C is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1073093803, issued on Aug 21, 2018. Check the license (Illinois 209.018223, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Corina Constantinescu
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 209.018223 IL
041366750 IL
9527-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 836 W Wellington Ave, Chicago, IL 60657
- Phone
- (773) 296-7054
- Enumerated
- Aug 21, 2018
- Record last updated
- Jun 6, 2022
- Medicaid ID
- 363L00000X IL
- Medicare enrollment
- Enrolled (PECOS I20220331002863); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 836 W Wellington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Corina Constantinescu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.018223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average family nurse practitioner in 2024
377 Medicare Part D claims for 225 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 22 claims were for opioids.
Most prescribed
- Doxycycline Hyclate39 claims
- Ondansetron Hcl37 claims
- Famotidine35 claims
- Prednisone21 claims
- Dicyclomine Hcl20 claims
- Albuterol Sulfate Hfa18 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
- Emergency Medical Care Facilities PCJackson, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Corina Constantinescu among 7,639 family nurse practitioner records in Illinois
Corina Constantinescu, FNP-C is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 44% of them.
- NPI issued2018 · 44% of these records are older, 49% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2018 among the 4,778 with a school on file
- Record last updated2022 · 39% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,567 family nurse practitioner records list a practice address in Chicago
They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Chicago → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Joyce Allen, APN, FNP-BCChicago, IL 606571033481007
- Maria CataldoChicago, IL 606571477665784
- Judy Davis, APN,FNPChicago, IL 606571558421719
- Stephanie Gounder, FNP-BCChicago, IL 606571508008152
- Amy Gregory, APNChicago, IL 606571770810194
- Karen Hawk, APNChicago, IL 606571699056630
- Erin Kenar, FNP-BCChicago, IL 606571497180848
- Rosemarie MossmanChicago, IL 606571255678249
Common questions
What is Corina Constantinescu, FNP-C's NPI number?
Corina Constantinescu, FNP-C's National Provider Identifier (NPI) is 1073093803, issued on Aug 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Corina Constantinescu, FNP-C located?
The NPPES record lists a practice address at 836 W Wellington Ave, Chicago, IL, 60657. Phone: (773) 296-7054. Providers update this record themselves, so call before visiting.
How can I verify Corina Constantinescu, FNP-C's license?
NPPES lists Illinois license number 209.018223, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Corina Constantinescu, FNP-C prescribe under Medicare Part D?
In 2024, Corina Constantinescu, FNP-C had 377 Medicare Part D claims for 225 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.