NPPES file of Aug 9, 2026

Julia Elizabeth Mayer

Emergency Medicine Physician · New Haven, CT

Julia Elizabeth Mayer is an emergency medicine physician with a practice address in New Haven, Connecticut, and NPI 1942943279, issued on Apr 14, 2022. Check the license (Connecticut 84985, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1942943279
Name
Julia Elizabeth Mayer
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
84985 CT
Self-reported in NPPES; status is on the state search
Practice location
20 York St, New Haven, CT 06510
Phone
(203) 688-4242
Enumerated
Apr 14, 2022
Record last updated
Jul 1, 2026
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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Also registered at 20 York St

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

  1. Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
  2. Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
  3. Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
  4. Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
  5. Sarah AbdallahPsychiatry Physician1740800952
  6. Usama Abdelghany, PHARM DOncology Pharmacist1548827843

Verify Julia Elizabeth Mayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 84985
    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 Connecticut 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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87% fewer Medicare Part D claims than the average emergency medicine physician in 2024

29 Medicare Part D claims for 20 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Julia Mayer29
  2. Specialty average226

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.

Julia Elizabeth Mayer among 846 emergency medicine physician records in Connecticut

Julia Elizabeth Mayer is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.

  • NPI issued2022 · 96% of these records are older, 1% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

204 emergency medicine physician records list a practice address in New Haven

They are 204 of the 9,793 NPPES records with a practice address in New Haven, and 846 emergency medicine physician records in Connecticut.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. David Cone, MDNew Haven, CT 065101770571440
  2. Leigh Evans, MDNew Haven, CT 065101134100704
  3. Karen Jubanyik-Barber, MDNew Haven, CT 065101336138098
  4. Edward Monico, MDNew Haven, CT 065101992789499
  5. Christopher Moore, MDNew Haven, CT 065101679554240
  6. Harry Moscovitz, MDNew Haven, CT 065101326038860
  7. Carolyn Rambus, MDNew Haven, CT 065101083685721
  8. Basmah Safdar, MDNew Haven, CT 065101942281514

Common questions

What is Julia Elizabeth Mayer's NPI number?

Julia Elizabeth Mayer's National Provider Identifier (NPI) is 1942943279, issued on Apr 14, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Julia Elizabeth Mayer located?

The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.

How can I verify Julia Elizabeth Mayer's license?

NPPES lists Connecticut license number 84985, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Julia Elizabeth Mayer prescribe under Medicare Part D?

In 2024, Julia Elizabeth Mayer had 29 Medicare Part D claims for 20 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.