NPPES file of Aug 9, 2026

Deirdre Cocks Eschler, M.D.

Endocrinology, Diabetes & Metabolism Physician · Stony Brook, NY

Deirdre Cocks Eschler, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Stony Brook, New York, and NPI 1073773297, issued on Jun 11, 2008. Check the license (New York 257601, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073773297
Name
Deirdre Cocks Eschler
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
257601 NY
Self-reported in NPPES; status is on the state search
Practice location
Stony Brook Internist, Stony Brook, NY 11794
Phone
(631) 444-1665
Enumerated
Jun 11, 2008
Record last updated
Apr 30, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20141230000742); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2008
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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Verify Deirdre Cocks Eschler 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 257601
    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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46% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,413 Medicare Part D claims for 236 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Deirdre Eschler1,413
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium207 claims
  2. Ozempic99 claims
  3. Metformin Hcl Er95 claims
  4. Lantus Solostar76 claims
  5. Mounjaro74 claims
  6. Repaglinide64 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.

The MIPS final score for 2023 (Medicare payment program): 98.5 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.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $29.91

1 payment: food and beverage; the largest payer was Beta Bionics, 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. Deirdre Eschler$29.91
  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 one group practice

  1. Stony Brook Internists University Faculty Practice CorporationStony Brook, NY

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

Deirdre Cocks Eschler among 970 endocrinology, diabetes & metabolism physician records in New York

Deirdre Cocks Eschler, M.D. is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 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 2008, is newer than 51% of them.

  • NPI issued2008 · 51% of these records are older, 43% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2008 · median 2004 among the 694 with a school on file
  • Record last updated2014 · 59% 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 New York 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 New York

There are 970 endocrinology, diabetes & metabolism physician records in New York.

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

  1. Esraa Askar, MBBCHStony Brook, NY 117941033746086
  2. Alma Devine, M.DStony Brook, NY 117941447487681
  3. Muzammil Khan, MDStony Brook, NY 117941003337700
  4. Alyssa Mancini, MDStony Brook, NY 117941629562368
  5. Tiffany Mattis-PabifioStony Brook, NY 117941578029252
  6. Kimberly YuangStony Brook, NY 117941861020059
  7. Robert Courgi, MDWading River, NY 117921447336052
  8. Arpita Bhalodkar, M.D.Woodbury, NY 117971912314402

Common questions

What is Deirdre Cocks Eschler, M.D.'s NPI number?

Deirdre Cocks Eschler, M.D.'s National Provider Identifier (NPI) is 1073773297, issued on Jun 11, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Deirdre Cocks Eschler, M.D. located?

The NPPES record lists a practice address at Stony Brook Internist, Stony Brook, NY, 11794. Phone: (631) 444-1665. Providers update this record themselves, so call before visiting.

How can I verify Deirdre Cocks Eschler, M.D.'s license?

NPPES lists New York license number 257601, 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 Deirdre Cocks Eschler, M.D. prescribe under Medicare Part D?

In 2024, Deirdre Cocks Eschler, M.D. had 1,413 Medicare Part D claims for 236 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Deirdre Cocks Eschler, M.D.'s MIPS final score?

The 2023 MIPS final score is 98.5 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.