NPPES file of Aug 9, 2026

Britta Kareen Mazur, DO

Pediatric Adolescent Medicine Physician · Commack, NY

Britta Kareen Mazur, DO is a pediatric adolescent medicine physician with a practice address in Commack, New York, and NPI 1770805921, issued on Feb 15, 2010. Check the license (New York 188094-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1770805921
Name
Britta Kareen Mazur
Credential
DO
Primary taxonomy
Pediatric Adolescent Medicine Physician 2080A0000X
License number
188094-1 NY
Self-reported in NPPES; status is on the state search
Practice location
2171 Jericho Tpke Ste 342, Commack, NY 11725
Phone
(631) 499-3588
Enumerated
Feb 15, 2010
Record last updated
Feb 15, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(631) 499-3583
Medicaid ID
01600215 NY
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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Verify Britta Kareen Mazur in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 188094-1
    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 York 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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Industry payments in 2024: $324.46

11 payments; by number, the most common kind was food and beverage; the largest payer was Ascendis Pharma Inc. The 859 providers of this specialty with any payment received $389.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Britta Mazur$324.46
  2. Specialty average$389.79

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

Britta Kareen Mazur among 372 pediatric adolescent medicine physician records in New York

Britta Kareen Mazur, DO is one of 372 pediatric adolescent medicine physician records with a practice address in New York. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 88% of them.

  • NPI issued2010 · 88% of these records are older, 11% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2010 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Adolescent Medicine Physician providers in New York

There are 372 pediatric adolescent medicine physician records in New York.

The 8 pediatric adolescent medicine physician records with the nearest ZIP codes

  1. Mireille Constant, MDEast Islip, NY 117301316032378
  2. Allison Eliscu, MDEast Setauket, NY 117331497915862
  3. Juan Espinoza, M.D.Brentwood, NY 117171114097607
  4. Boris Espinoza, M.D.Brentwood, NY 117171548330087
  5. Irwin Schwartz, M.D.Setauket, NY 117331316918386
  6. Andrew Fasano, M.D.Bellmore, NY 117101760435150
  7. Roberto Marchitelli, M.D.Bellmore, NY 117101265484091
  8. Amanda Anaya, NPHolbrook, NY 117411558082149

Common questions

What is Britta Kareen Mazur, DO's NPI number?

Britta Kareen Mazur, DO's National Provider Identifier (NPI) is 1770805921, issued on Feb 15, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Britta Kareen Mazur, DO located?

The NPPES record lists a practice address at 2171 Jericho Tpke Ste 342, Commack, NY, 11725. Phone: (631) 499-3588. Providers update this record themselves, so call before visiting.

How can I verify Britta Kareen Mazur, DO's license?

NPPES lists New York license number 188094-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. 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.

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.