NPPES file of Aug 9, 2026

Elizabeth Sedlis Singer, M.D.

Internal Medicine Physician · Brooklyn, NY

Elizabeth Sedlis Singer, M.D. is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1538364252, issued on Jun 21, 2007. Check the license (New York 256160, 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
1538364252
Name
Elizabeth Sedlis Singer
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
256160 NY
Self-reported in NPPES; status is on the state search
Practice location
984 50TH St, Brooklyn, NY 11219
Phone
(718) 283-5923
Enumerated
Jun 21, 2007
Record last updated
Sep 20, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(718) 635-7640
Medicare enrollment
Enrolled (PECOS I20120816000043); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2007
Telehealth
Offers telehealth (CMS)
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 984 50TH St

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

  1. Karen Chun, MDPediatric Surgery Physician1598771248
  2. Luba Rakhlin, M.D.Endocrinology, Diabetes & Metabolism Physician1548569320

Verify Elizabeth Sedlis Singer 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 256160
    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

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22% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,468 Medicare Part D claims for 275 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Elizabeth Sedlis Singer2,468
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium256 claims
  2. Trulicity200 claims
  3. Ozempic179 claims
  4. Metformin Hcl157 claims
  5. Metformin Hcl Er125 claims
  6. Jardiance111 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.

Bills Medicare through 2 group practices

  1. Maimonides Faculty Practice PlanBrooklyn, NY
  2. Maimonides Medical Center - Division OF Endocrinology FppBrooklyn, NY

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

Elizabeth Sedlis Singer among 12,067 internal medicine physician records in New York

Elizabeth Sedlis Singer, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.

  • NPI issued2007 · 47% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2007 · median 2002 among the 7,221 with a school on file
  • Record last updated2012 · 61% 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 York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,497 internal medicine physician records list a practice address in Brooklyn

They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Azbel, M.D.Brooklyn, NY 112191306847405
  2. Michael Byrne, M.D.Brooklyn, NY 112191760482566
  3. David Cohen, M.D., M.SC.Brooklyn, NY 112191710987243
  4. Elie Hamaoui, M.D.Brooklyn, NY 112191598759508
  5. Jack Hellman, MDBrooklyn, NY 112191518950146
  6. Michael Josovitz, MDBrooklyn, NY 112191538152459
  7. Jonathan Leibowitz, M.D.Brooklyn, NY 112191588665012
  8. Robert Mann, M.D.Brooklyn, NY 112191013917129

Common questions

What is Elizabeth Sedlis Singer, M.D.'s NPI number?

Elizabeth Sedlis Singer, M.D.'s National Provider Identifier (NPI) is 1538364252, issued on Jun 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Sedlis Singer, M.D. located?

The NPPES record lists a practice address at 984 50TH St, Brooklyn, NY, 11219. Phone: (718) 283-5923. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Sedlis Singer, M.D.'s license?

NPPES lists New York license number 256160, 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.

How much does Elizabeth Sedlis Singer, M.D. prescribe under Medicare Part D?

In 2024, Elizabeth Sedlis Singer, M.D. had 2,468 Medicare Part D claims for 275 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.