Ranee Angeli Lleva, M.D.
NPI 1578709143 · Endocrinology, Diabetes & Metabolism Physician · Greenwich, CT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ranee Angeli Lleva, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Greenwich, CT (NPI 1578709143).
Provider details
- NPI number
- 1578709143
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 050811 (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
1,080 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 | 612 | $139 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 233 | $16 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 112 | $3 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 64 | $37 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $196 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 262 | 67 |
| Levothyroxine Sodiumbrand: Synthroid | 232 | 62 |
| Semaglutidebrand: Ozempic | 212 | 38 |
| Tirzepatidebrand: Mounjaro | 181 | 25 |
| Metformin Hclbrand: Metformin Hcl Er | 140 | 41 |
| Metformin Hcl | 127 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$99 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
- 2008-12-31
- Last updated
- 2017-07-24
Frequently asked questions
- What is Ranee Angeli Lleva's NPI number?
- Ranee Angeli Lleva's National Provider Identifier (NPI) is 1578709143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ranee Angeli Lleva's specialty?
- Ranee Angeli Lleva is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Ranee Angeli Lleva located?
- Ranee Angeli Lleva's practice location on file with NPPES is 55 Holly Hill Ln, Greenwich, CT 06830-6074.
- What is Ranee Angeli Lleva's phone number?
- The practice phone number listed in the NPPES registry for Ranee Angeli Lleva is (203) 863-3750.
- Does Ranee Angeli Lleva accept Medicare?
- Ranee Angeli Lleva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ranee Angeli Lleva's NPI active?
- Yes — Ranee Angeli Lleva's NPI (1578709143) is active in the NPPES registry as of the last update on 2017-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.