NPPES file of Aug 9, 2026

Janze Marium Issac, ANP

Gerontology Nurse Practitioner · Chicago, IL

Janze Marium Issac, ANP is a gerontology nurse practitioner with a practice address in Chicago, Illinois, and NPI 1912462870, issued on Feb 5, 2019. Check the license (Illinois 209017708, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912462870
Name
Janze Marium Issac
Credential
ANP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
209017708 IL
Self-reported in NPPES; status is on the state search
Practice location
1550 S Indiana Ave Ste 100, Chicago, IL 60605
Phone
(845) 480-2862
Enumerated
Feb 5, 2019
Record last updated
May 7, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest gerontology nurse practitioner records → All 292 in Illinois → Look up another NPI →

Also registered at 1550 S Indiana Ave Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laura Cremonesi, MOT, OTR/LOccupational Therapist1659759660

Verify Janze Marium Issac in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209017708    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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99% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

18 Medicare Part D claims, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Janze Issac18
  2. Specialty average1,369

Most prescribed

  1. Lactulose16 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.

Janze Marium Issac among 292 gerontology nurse practitioner records in Illinois

Janze Marium Issac, ANP is one of 292 gerontology nurse practitioner records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 46% of them.

  • NPI issued2019 · 46% of these records are older, 48% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2019 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Illinois

There are 292 gerontology nurse practitioner records in Illinois.

All 292 in Illinois → Every provider in Chicago → Gerontology Nurse Practitioner nationwide →

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Katie Dcruz, AGNP-CChicago, IL 606041124412168
  2. Rachel Deutsch, DNP, AGNP-CChicago, IL 606071609650357
  3. Jordan Elliott, DNPChicago, IL 606071457130247
  4. Shelby Snider, RNChicago, IL 606071528896537
  5. Barbara Hardt, APRNChicago, IL 606081811307614
  6. Marie Rodriguez, RNChicago, IL 606091982990149
  7. Jennifer Cleary, CNPChicago, IL 606111356400840
  8. Lisa De Zoute, APRN, CNPChicago, IL 606111730569088

Common questions

What is Janze Marium Issac, ANP's NPI number?

Janze Marium Issac, ANP's National Provider Identifier (NPI) is 1912462870, issued on Feb 5, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Janze Marium Issac, ANP located?

The NPPES record lists a practice address at 1550 S Indiana Ave Ste 100, Chicago, IL, 60605. Phone: (845) 480-2862. Providers update this record themselves, so call before visiting.

How can I verify Janze Marium Issac, ANP's license?

NPPES lists Illinois license number 209017708, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Janze Marium Issac, ANP prescribe under Medicare Part D?

In 2024, Janze Marium Issac, ANP had 18 Medicare Part D claims; the average among gerontology nurse practitioner prescribers was 1,369. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.