Laura Catherine Mazzenga, CNP, CUNP
Nurse Practitioner · Chicago, IL
Laura Catherine Mazzenga, CNP, CUNP is a nurse practitioner with a practice address in Chicago, Illinois, and NPI 1184836041, issued on May 4, 2007. Check the license (Illinois 209002713, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Laura Catherine Mazzenga
- Credential
- CNP, CUNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 209002713 IL
209-002713 IL
Self-reported in NPPES; status is on the state search - Practice location
- 251 E Huron St, Chicago, IL 60611
- Phone
- (312) 926-1666
- Enumerated
- May 4, 2007
- Record last updated
- Aug 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (312) 926-6134
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 251 E Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Laura Catherine Mazzenga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209002713Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average nurse practitioner in 2024
203 Medicare Part D claims for 134 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Ciprofloxacin Hcl45 claims
- Diclofenac Sodium33 claims
- Cephalexin16 claims
- Sulfamethoxazole-Trimethoprim13 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.
Laura Catherine Mazzenga among 4,892 nurse practitioner records in Illinois
Laura Catherine Mazzenga, CNP, CUNP 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 2007, is newer than 11% of them.
- NPI issued2007 · 11% of these records are older, 85% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2021 · 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
- Sarah Anderson, NPChicago, IL 606111043243355
- Larry Boehlke, NPChicago, IL 606111972575231
- Joanne Cullina, MSN, APNChicago, IL 606111619904885
- Florence Denby, RN, CNP, APNChicago, IL 606111598773103
- Rebecca DukeChicago, IL 606111932204286
- Sylvia Duraski, CNP, APNChicago, IL 606111417965039
- Barbara Guido, APN-CNPChicago, IL 606111780784611
- Susanna Miranda, DNP, APRN, AGNP-CChicago, IL 606111831118512
Common questions
What is Laura Catherine Mazzenga, CNP, CUNP's NPI number?
Laura Catherine Mazzenga, CNP, CUNP's National Provider Identifier (NPI) is 1184836041, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Laura Catherine Mazzenga, CNP, CUNP located?
The NPPES record lists a practice address at 251 E Huron St, Chicago, IL, 60611. Phone: (312) 926-1666. Providers update this record themselves, so call before visiting.
How can I verify Laura Catherine Mazzenga, CNP, CUNP's license?
NPPES lists Illinois license number 209002713, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Laura Catherine Mazzenga, CNP, CUNP prescribe under Medicare Part D?
In 2024, Laura Catherine Mazzenga, CNP, CUNP had 203 Medicare Part D claims for 134 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.