Diana Lou Vizcayno, FNP
Family Nurse Practitioner · Chicago, IL
Diana Lou Vizcayno, FNP is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1588193700, issued on Jun 9, 2017. Check the license (Illinois 209016326, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Lou Vizcayno
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209016326 IL
Self-reported in NPPES; status is on the state search - Practice location
- 332 S Michigan Ave Ste 900, Chicago, IL 60604
- Phone
- (855) 229-2191
- Enumerated
- Jun 9, 2017
- Record last updated
- May 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20180607000105); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 332 S Michigan Ave Ste 900
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Myranda AbelBehavior Technician1992650915
- Imanuel AceraBehavior Technician1811887466
- Bahirat AdejareOther Technician1780460378
- Sofia AguinagaProfessional Counselor1043006380
- Genevieve AllwayBehavior Technician1194619395
- Tejpavan AnanthaBehavior Technician1386560241
Verify Diana Lou Vizcayno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209016326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family nurse practitioner in 2024
105 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. Brand-name drugs were 15% of claims.
Most prescribed
- Albuterol Sulfate Hfa12 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
- Clear Practice PLLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Lou Vizcayno among 7,639 family nurse practitioner records in Illinois
Diana Lou Vizcayno, FNP 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 2017, is newer than 37% of them.
- NPI issued2017 · 37% of these records are older, 56% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2018 among the 4,778 with a school on file
- Record last updated2025 · 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
- Deborah Aaron, FNPChicago, IL 606041114024916
- Mary Ann Avila-Cantore, APN, FNP-CChicago, IL 606041033646773
- Julie Bright-Allott, APNChicago, IL 606041669841177
- John Crulcich, A.P.N., F.N.P.Chicago, IL 606041962583427
- Daniel Glon, NPChicago, IL 606041942602461
- Stephanie Halberg, APNChicago, IL 606041225516248
- Stephanie Johnson, ARNP, FNP-CChicago, IL 606041639593767
- Susan Matthew, ND APN FNPChicago, IL 606041417169095
Common questions
What is Diana Lou Vizcayno, FNP's NPI number?
Diana Lou Vizcayno, FNP's National Provider Identifier (NPI) is 1588193700, issued on Jun 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Diana Lou Vizcayno, FNP located?
The NPPES record lists a practice address at 332 S Michigan Ave Ste 900, Chicago, IL, 60604. Phone: (855) 229-2191. Providers update this record themselves, so call before visiting.
How can I verify Diana Lou Vizcayno, FNP's license?
NPPES lists Illinois license number 209016326, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Diana Lou Vizcayno, FNP prescribe under Medicare Part D?
In 2024, Diana Lou Vizcayno, FNP had 105 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.