Deirdre Eschler, M.D.
NPI 1073773297 · Endocrinology, Diabetes & Metabolism Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deirdre Eschler, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Stony Brook, NY (NPI 1073773297).
Provider details
- NPI number
- 1073773297
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
918 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 345 | $150 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 275 | $19 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 86 | $39 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 63 | $151 |
| Hemoglobin A1c Level83036 | 57 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 207 | 65 |
| Semaglutidebrand: Ozempic | 99 | 26 |
| Metformin Hclbrand: Metformin Hcl Er | 95 | 34 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 76 | 28 |
| Tirzepatidebrand: Mounjaro | 74 | 23 |
| Repaglinide | 64 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-11
- Last updated
- 2014-04-30
Frequently asked questions
- What is Deirdre Eschler's NPI number?
- Deirdre Eschler's National Provider Identifier (NPI) is 1073773297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deirdre Eschler's specialty?
- Deirdre Eschler is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Deirdre Eschler located?
- Deirdre Eschler's practice location on file with NPPES is Stony Brook Internist, Stony Brook, NY 11794-8154.
- What is Deirdre Eschler's phone number?
- The practice phone number listed in the NPPES registry for Deirdre Eschler is (631) 444-1665.
- Does Deirdre Eschler accept Medicare?
- Deirdre Eschler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deirdre Eschler's NPI active?
- Yes — Deirdre Eschler's NPI (1073773297) is active in the NPPES registry as of the last update on 2014-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.