Irina Rosewater, M.D.
NPI 1477793529 · Endocrinology, Diabetes & Metabolism Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irina Rosewater, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in New Haven, CT (NPI 1477793529).
Provider details
- NPI number
- 1477793529
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 044226 (CT)
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
17 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
1,219 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 | 432 | $135 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 236 | $97 |
| 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 | 132 | $17 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 116 | $36 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 99 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 710 | 203 |
| Metformin Hclbrand: Metformin Hcl Er | 363 | 126 |
| Empagliflozinbrand: Jardiance | 357 | 104 |
| Semaglutidebrand: Ozempic | 351 | 91 |
| Alendronate Sodium | 349 | 87 |
| Glimepiride | 227 | 76 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$623 across 34 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
- 2009-03-03
- Last updated
- 2009-11-16
Frequently asked questions
- What is Irina Rosewater's NPI number?
- Irina Rosewater's National Provider Identifier (NPI) is 1477793529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irina Rosewater's specialty?
- Irina Rosewater is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Irina Rosewater located?
- Irina Rosewater's practice location on file with NPPES is 200 Orchard St, New Haven, CT 06511-3206.
- What is Irina Rosewater's phone number?
- The practice phone number listed in the NPPES registry for Irina Rosewater is (203) 776-4444.
- Does Irina Rosewater accept Medicare?
- Irina Rosewater is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irina Rosewater's NPI active?
- Yes — Irina Rosewater's NPI (1477793529) is active in the NPPES registry as of the last update on 2009-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.