NPPES file of Aug 9, 2026

Eileen C. Klein, MD

Internal Medicine Physician · Livingston, NJ

Eileen C. Klein, MD is an internal medicine physician with a practice address in Livingston, New Jersey, and NPI 1336141928, issued on Aug 12, 2005. Check the license (New Jersey MA50642, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1336141928
Name
Eileen C. Klein
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MA50642 NJ
Self-reported in NPPES; status is on the state search
Practice location
75 E Northfield RD, Livingston, NJ 07039
Phone
(973) 436-1460
Enumerated
Aug 12, 2005
Record last updated
Jul 10, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(973) 422-9390
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 internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →

Also registered at 75 E Northfield RD

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

  1. Donna Adamoli, M.D.Internal Medicine Physician1104880871
  2. Tania Afonso, D.O.Emergency Medicine Physician1417210394
  3. Sairah Ahmad, AUD, CCC-AAudiologist1033222716
  4. Frances Anerousis, M.D.Internal Medicine Physician1073723896
  5. Alexa Bacino, RD, CDERegistered Dietitian1922671452
  6. Malka Bannet, D.O.Internal Medicine Physician1639467756

Verify Eileen C. Klein 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 MA50642    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.

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Eileen C. Klein among 4,632 internal medicine physician records in New Jersey

Eileen C. Klein, MD is one of 4,632 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 not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2019 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

66 internal medicine physician records list a practice address in Livingston

They are 66 of the 1,714 NPPES records with a practice address in Livingston, and 4,632 internal medicine physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,632 in New Jersey → Every provider in Livingston → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nael Abutabikh, MDLivingston, NJ 070391235120155
  2. Donna Adamoli, M.D.Livingston, NJ 070391104880871
  3. Shrey Desai, M.D.Livingston, NJ 070391083651392
  4. Joseph Follo, MDLivingston, NJ 070391003874397
  5. Jacquelin Holubka, M.D.Livingston, NJ 070391174577373
  6. Kevin Leen, MDLivingston, NJ 070391699729293
  7. Liang Liang, M.D.Livingston, NJ 070391437132602
  8. Emanuel Maida, M.D.Livingston, NJ 070391114920451

Common questions

What is Eileen C. Klein, MD's NPI number?

Eileen C. Klein, MD's National Provider Identifier (NPI) is 1336141928, issued on Aug 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Eileen C. Klein, MD located?

The NPPES record lists a practice address at 75 E Northfield RD, Livingston, NJ, 07039. Phone: (973) 436-1460. Providers update this record themselves, so call before visiting.

How can I verify Eileen C. Klein, MD's license?

NPPES lists New Jersey license number MA50642, 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. 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.