NPPES file of Aug 9, 2026

Eloy Francisco Ruiz Mendoza, MD

Geriatric Medicine (Internal Medicine) Physician · Newark, NJ

Eloy Francisco Ruiz Mendoza, MD is a geriatric medicine (internal medicine) physician with a practice address in Newark, New Jersey, and NPI 1881207454, issued on Aug 24, 2020. Check the license (New Jersey 25MA12309900, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881207454
Name
Eloy Francisco Ruiz Mendoza
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
25MA12309900 NJ
Self-reported in NPPES; status is on the state search
Practice location
140 Bergen St, Newark, NJ 07103
Phone
(973) 972-9000
Enumerated
Aug 24, 2020
Record last updated
Jul 2, 2024
Medicare enrollment
Enrolled (PECOS I20240823001634); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

8 nearest geriatric medicine (internal medicine) physician records → All 165 in New Jersey → Look up another NPI →

Also registered at 140 Bergen St

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

  1. Joseph Apuzzio, MDMaternal & Fetal Medicine Physician1164514642
  2. Marwa Baalbaki, MDNeurology Physician1629630736
  3. Theodore Barrett, MD, FACOGObstetrics & Gynecology Physician1679583322
  4. Asia Bash, LCSWSocial Worker1134823867
  5. Jonathan Berardi, APRN, FNP-CFamily Nurse Practitioner1104438746
  6. Kristyn Brandi, MD MPHObstetrics & Gynecology Physician1356630107

Verify Eloy Francisco Ruiz Mendoza 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 25MA12309900    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

94% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

250 Medicare Part D claims for 72 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Eloy Ruiz Mendoza250
  2. Specialty average4,246

Most prescribed

  1. Amlodipine Besylate20 claims
  2. Lisinopril13 claims
  3. Atorvastatin Calcium12 claims
  4. Diclofenac Sodium12 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

  1. University Physician Associates OF New Jersey IncNewark, NJ

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

Eloy Francisco Ruiz Mendoza among 165 geriatric medicine (internal medicine) physician records in New Jersey

Eloy Francisco Ruiz Mendoza, MD 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 2020, is newer than 95% of them.

  • NPI issued2020 · 95% of these records are older, 4% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2016 · 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 Newark → Geriatric Medicine (Internal Medicine) Physician nationwide →

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

  1. Eric Tien Yen Chyn, M.D.Newark, NJ 071031962829127
  2. Diana Decosimo, M.D.Newark, NJ 071031962437731
  3. Kye Chun, DOBelleville, NJ 071091356371819
  4. Marie Esterlin, AGNPBelleville, NJ 071091093522823
  5. James James, M.D.Newark, NJ 071121689105975
  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 Eloy Francisco Ruiz Mendoza, MD's NPI number?

Eloy Francisco Ruiz Mendoza, MD's National Provider Identifier (NPI) is 1881207454, issued on Aug 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Eloy Francisco Ruiz Mendoza, MD located?

The NPPES record lists a practice address at 140 Bergen St, Newark, NJ, 07103. Phone: (973) 972-9000. Providers update this record themselves, so call before visiting.

How can I verify Eloy Francisco Ruiz Mendoza, MD's license?

NPPES lists New Jersey license number 25MA12309900, 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.

How much does Eloy Francisco Ruiz Mendoza, MD prescribe under Medicare Part D?

In 2024, Eloy Francisco Ruiz Mendoza, MD had 250 Medicare Part D claims for 72 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.