Eleonor Eustace
NPI 1558723809 · Internal Medicine Physician · Brewster, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eleonor Eustace is a Internal Medicine Physician provider in Brewster, NY (NPI 1558723809).
Provider details
- NPI number
- 1558723809
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 66910 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,465 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 375 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 360 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 253 | $100 |
| 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 | 176 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 136 | $145 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 196 | 63 |
| Rosuvastatin Calcium | 185 | 64 |
| Levothyroxine Sodium | 165 | 47 |
| Amlodipine Besylate | 152 | 51 |
| Losartan Potassium | 119 | 38 |
| Pantoprazole Sodium | 116 | 42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-25
- Last updated
- 2022-03-29
- Certified
- 2022-03-29
Frequently asked questions
- What is Eleonor Eustace's NPI number?
- Eleonor Eustace's National Provider Identifier (NPI) is 1558723809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eleonor Eustace's specialty?
- Eleonor Eustace is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eleonor Eustace located?
- Eleonor Eustace's practice location on file with NPPES is 3423 Danbury Rd, Brewster, NY 10509-4513.
- What is Eleonor Eustace's phone number?
- The practice phone number listed in the NPPES registry for Eleonor Eustace is (845) 279-7200.
- Does Eleonor Eustace accept Medicare?
- Eleonor Eustace is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eleonor Eustace's NPI active?
- Yes — Eleonor Eustace's NPI (1558723809) is active in the NPPES registry as of the last update on 2022-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.