Ella Rosenbloom, M.D.
NPI 1811275548 · Endocrinology, Diabetes & Metabolism Physician · Port Jefferson, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ella Rosenbloom, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Port Jefferson, NY (NPI 1811275548).
Provider details
- NPI number
- 1811275548
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 262371 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,287 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 | 638 | $148 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 202 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 98 | $89 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 91 | $39 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 71 | $149 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 411 | 115 |
| Semaglutidebrand: Ozempic | 406 | 94 |
| Atorvastatin Calcium | 302 | 96 |
| Metformin Hclbrand: Metformin Hcl Er | 256 | 80 |
| Tirzepatidebrand: Mounjaro | 197 | 38 |
| Levothyroxine Sodiumbrand: Synthroid | 170 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 across 2 records (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
- 2011-07-29
- Last updated
- 2016-09-26
Frequently asked questions
- What is Ella Rosenbloom's NPI number?
- Ella Rosenbloom's National Provider Identifier (NPI) is 1811275548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ella Rosenbloom's specialty?
- Ella Rosenbloom is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Ella Rosenbloom located?
- Ella Rosenbloom's practice location on file with NPPES is 625 Belle Terre Rd, Port Jefferson, NY 11777-2316.
- What is Ella Rosenbloom's phone number?
- The practice phone number listed in the NPPES registry for Ella Rosenbloom is (631) 686-2551.
- Does Ella Rosenbloom accept Medicare?
- Ella Rosenbloom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ella Rosenbloom's NPI active?
- Yes — Ella Rosenbloom's NPI (1811275548) is active in the NPPES registry as of the last update on 2016-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.