Irene Mamkin, M.D.
Pediatric Endocrinology Physician · West Orange, NJ
Irene Mamkin, M.D. is a pediatric endocrinology physician with a practice address in West Orange, New Jersey, and NPI 1326210485, issued on Mar 29, 2008. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Irene Mamkin
- Credential
- M.D.
- Primary taxonomy
- Pediatric Endocrinology Physician 2080P0205X
- License number
- 250979 NY
Self-reported in NPPES; status is on the state search - Practice location
- 375 Mount Pleasant Ave, West Orange, NJ 07052
- Phone
- (973) 322-6900
- Enumerated
- Mar 29, 2008
- Record last updated
- Feb 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (973) 322-6999
- Entity
- Type 1 · individual
8 nearest pediatric endocrinology physician records → All 68 in New Jersey → Look up another NPI →
Also registered at 375 Mount Pleasant Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Irene Mamkin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 93.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,215.65
68 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 931 providers of this specialty with any payment received $4,382.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Irene Mamkin among 68 pediatric endocrinology physician records in New Jersey
Irene Mamkin, M.D. is one of 68 pediatric endocrinology physician records with a practice address in New Jersey. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 46% of them.
- NPI issued2008 · 46% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2014 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Endocrinology Physician providers in New Jersey
There are 68 pediatric endocrinology physician records in New Jersey.
All 68 in New Jersey → Every provider in West Orange → Pediatric Endocrinology Physician nationwide →
The 8 pediatric endocrinology physician records with the nearest ZIP codes
- Dennis Brenner, M.D.West Orange, NJ 070521467487512
- Marianne JacobWest Orange, NJ 070521215453857
- Ellen Oppenheimer, M.D.Livingston, NJ 070391841224680
- Jennifer Sivitz, MDLivingston, NJ 070391023096450
- Mark Bach, M.D., PH.D.Scotch Plains, NJ 070761225283310
- Camila Pereira-Eshraghi, MDClifton, NJ 070131295137172
- Sadana Balachandar, M.D.Clifton, NJ 070121528262359
- Alexis Feuer, M.D.Clifton, NJ 070121831333525
Common questions
What is Irene Mamkin, M.D.'s NPI number?
Irene Mamkin, M.D.'s National Provider Identifier (NPI) is 1326210485, issued on Mar 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Irene Mamkin, M.D. located?
The NPPES record lists a practice address at 375 Mount Pleasant Ave, West Orange, NJ, 07052. Phone: (973) 322-6900. Providers update this record themselves, so call before visiting.
How can I verify Irene Mamkin, M.D.'s license?
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.
What is Irene Mamkin, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.