NPPES file of Aug 9, 2026

Leslie S. Eldeiry, MD

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Leslie S. Eldeiry, MD is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1801805221, issued on Aug 5, 2006. Check the license (Massachusetts 222194, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1801805221
Name
Leslie S. Eldeiry
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
222194 MA
Self-reported in NPPES; status is on the state search
Practice location
133 Brookline Ave FL 9, Boston, MA 02215
Phone
(617) 421-1380
Enumerated
Aug 5, 2006
Record last updated
Jan 5, 2026
Fax
(617) 421-2707
Medicaid ID
2088525 MA
Medicare enrollment
Enrolled (PECOS I20041019001087); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 1999
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 133 Brookline Ave FL 9

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

  1. Charles Buzanis, MDGastroenterology Physician1487764965
  2. James Chou, MDGastroenterology Physician1285661652
  3. Jonathan Friedes, MDObstetrics Physician1780606160
  4. Joan Goldberg, MDHematology (Internal Medicine) Physician1568558039
  5. Sanjay Shrivastava, MDCardiovascular Disease Physician1639187479

Verify Leslie S. Eldeiry in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 222194
    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 Massachusetts 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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23% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

3,238 Medicare Part D claims for 468 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. Leslie Eldeiry3,238
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium549 claims
  2. Ozempic242 claims
  3. Alendronate Sodium189 claims
  4. Metformin Hcl Er154 claims
  5. Jardiance138 claims
  6. Lantus Solostar119 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.

Industry payments in 2024: $120.69

1 payment: food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leslie Eldeiry$120.69
  2. Specialty average$5,742.15

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

Bills Medicare through 3 group practices

  1. Atrius Health IncDedham, MA
  2. Massachusetts Eye And Ear Associates, IncBoston, MA
  3. Reliant Medical Group IncWorcester, MA

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

Leslie S. Eldeiry among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Leslie S. Eldeiry, MD is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1999 · median 2002 among the 378 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Richard Beaser, MDBoston, MA 022151447204540
  2. Ramachandiran Cooppan, M.D.Boston, MA 022151366499097
  3. Aaron Cypess, M.D., PH.D.Boston, MA 022151598730749
  4. Rachael Fawcett, M.D.Boston, MA 022151801879945
  5. Robert Gabbay, M.D.Boston, MA 022151720036627
  6. Jason Gaglia, M.D.Boston, MA 022151023098605
  7. Mark Herman, M.D.Boston, MA 022151043261795
  8. George King, M.D.Boston, MA 022151669458816

Common questions

What is Leslie S. Eldeiry, MD's NPI number?

Leslie S. Eldeiry, MD's National Provider Identifier (NPI) is 1801805221, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leslie S. Eldeiry, MD located?

The NPPES record lists a practice address at 133 Brookline Ave FL 9, Boston, MA, 02215. Phone: (617) 421-1380. Providers update this record themselves, so call before visiting.

How can I verify Leslie S. Eldeiry, MD's license?

NPPES lists Massachusetts license number 222194, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Leslie S. Eldeiry, MD prescribe under Medicare Part D?

In 2024, Leslie S. Eldeiry, MD had 3,238 Medicare Part D claims for 468 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.