NPPES file of Aug 9, 2026

Marie Ilza Esterlin, AGNP

Geriatric Medicine (Internal Medicine) Physician · Belleville, NJ

Marie Ilza Esterlin, AGNP is a geriatric medicine (internal medicine) physician with a practice address in Belleville, New Jersey, and NPI 1093522823, issued on Dec 16, 2024. Check the license (New Jersey 26NJ15234800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1093522823
Name
Marie Ilza Esterlin
Credential
AGNP
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
26NJ15234800 NJ
Self-reported in NPPES; status is on the state search
Practice location
23 Liberty Ave, Belleville, NJ 07109
Phone
(862) 902-3469
Enumerated
Dec 16, 2024
Record last updated
Dec 24, 2024
Medicare enrollment
Enrolled (PECOS I20250430001682); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (internal medicine) physician records → All 165 in New Jersey → Look up another NPI →

Verify Marie Ilza Esterlin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 26NJ15234800    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
Open the New Jersey license search

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Bills Medicare through 2 group practices

  1. Bergen County Improvement AuthorityParamus, NJ
  2. Medassist NJ IILakewood, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marie Ilza Esterlin among 165 geriatric medicine (internal medicine) physician records in New Jersey

Marie Ilza Esterlin, AGNP is one of 165 geriatric medicine (internal medicine) physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 98% of them.

  • NPI issued2024 · 98% of these records are older, 1% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2024 · median 1996 among the 106 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in New Jersey

There are 165 geriatric medicine (internal medicine) physician records in New Jersey.

All 165 in New Jersey → Every provider in Belleville → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Kye Chun, DOBelleville, NJ 071091356371819
  2. James James, M.D.Newark, NJ 071121689105975
  3. Eric Tien Yen Chyn, M.D.Newark, NJ 071031962829127
  4. Diana Decosimo, M.D.Newark, NJ 071031962437731
  5. Eloy Ruiz Mendoza, MDNewark, NJ 071031881207454
  6. Florence Eatman, M.D.South Orange, NJ 070791942252374
  7. Roland Losos, MDLyndhurst, NJ 070711124282033
  8. Avi Factor, M.D.Passaic, NJ 070551477884724

Common questions

What is Marie Ilza Esterlin, AGNP's NPI number?

Marie Ilza Esterlin, AGNP's National Provider Identifier (NPI) is 1093522823, issued on Dec 16, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Marie Ilza Esterlin, AGNP located?

The NPPES record lists a practice address at 23 Liberty Ave, Belleville, NJ, 07109. Phone: (862) 902-3469. Providers update this record themselves, so call before visiting.

How can I verify Marie Ilza Esterlin, AGNP's license?

NPPES lists New Jersey license number 26NJ15234800, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.