NPPES file of Aug 9, 2026

Neophytos Zambas, DO

Critical Care Medicine (Internal Medicine) Physician · Rahway, NJ

Neophytos Zambas, DO is a critical care medicine (internal medicine) physician with a practice address in Rahway, New Jersey, and NPI 1992357503, issued on Jul 13, 2019. Check the license (New Jersey 25MB12677700, 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
1992357503
Name
Neophytos Zambas
Credential
DO
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
25MB12677700 NJ
Self-reported in NPPES; status is on the state search
Practice location
865 Stone St, Rahway, NJ 07065
Phone
(732) 381-4200
Enumerated
Jul 13, 2019
Record last updated
Jul 24, 2025
Medicare enrollment
Enrolled (PECOS I20260304000502); 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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Also registered at 865 Stone St

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

  1. Basil Adams, PAPhysician Assistant1003500778
  2. Jane Afremova, APRN, A-GNP-CGerontology Nurse Practitioner1154889301
  3. Rayshma AliEmergency Medicine Physician1932134285
  4. Zachary Bakun, MDInternal Medicine Physician1962038877
  5. Philip CaivanoPeer Specialist1134095763
  6. Arunateja Chennareddy, NURSE PRACTITIONERNurse Practitioner1518528538

Verify Neophytos Zambas 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 25MB12677700
    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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65% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

246 Medicare Part D claims for 69 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.

  1. Neophytos Zambas246
  2. Specialty average696

Most prescribed

  1. Atorvastatin Calcium16 claims
  2. Albuterol Sulfate Hfa15 claims
  3. Omeprazole15 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.

Industry payments in 2024: $28.58

1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Neophytos Zambas$28.58
  2. Specialty average$2,958.68

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Rwjbh Observation Associates LLCRahway, NJ

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

Neophytos Zambas among 225 critical care medicine (internal medicine) physician records in New Jersey

Neophytos Zambas, DO is one of 225 critical care medicine (internal medicine) physician records with a practice address in New Jersey. 91% 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 88% of them.

  • NPI issued2019 · 88% of these records are older, 6% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated2019 · median 2011 among the 192 with a school on file
  • Record last updated2025 · 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 207RC0200X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in New Jersey

There are 225 critical care medicine (internal medicine) physician records in New Jersey.

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

  1. Krithika NamasivayamRahway, NJ 070651598226318
  2. Robert Bayly, M.D.Plainfield, NJ 070611932304524
  3. Eva Besserman, D.O.Plainfield, NJ 070611184826661
  4. Tanvir Salam, MDWarren, NJ 070591982994331
  5. Joseph Dituro, M.D. N.D. B.C.I.M.East Rutherford, NJ 070731194871459
  6. Milan Patel, M.D.Passaic, NJ 070551093078347
  7. Jamie Baux-Johnson, MDWest Orange, NJ 070521760705719
  8. Mark Ramzy, DOWest Orange, NJ 070521841729340

Common questions

What is Neophytos Zambas, DO's NPI number?

Neophytos Zambas, DO's National Provider Identifier (NPI) is 1992357503, issued on Jul 13, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Neophytos Zambas, DO located?

The NPPES record lists a practice address at 865 Stone St, Rahway, NJ, 07065. Phone: (732) 381-4200. Providers update this record themselves, so call before visiting.

How can I verify Neophytos Zambas, DO's license?

NPPES lists New Jersey license number 25MB12677700, 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 Neophytos Zambas, DO prescribe under Medicare Part D?

In 2024, Neophytos Zambas, DO had 246 Medicare Part D claims for 69 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.