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Endocrinology

Ranee Angeli R. Lleva, MD

Works at hospitals in Bridgeport, CT · Greenwich, CT · Stamford, CT … · Connecticut

Summary

Dr. Ranee Angeli R. Lleva, MD is an endocrinologist at 2015 W Main St, Stamford, CT 06902. Phone: (203) 384-3388. Accepts Medicare assignment. In 2024, Ranee Angeli R. Lleva had 368 Original Medicare patients and 15,699 services. NPI 1578709143. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Ranee Angeli R. Lleva, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ranee Angeli R. Lleva accept Medicare assignment?
Yes. Medicare's clinician data says Ranee Angeli R. Lleva accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ranee Angeli R. Lleva see?
In 2024, CMS data shows 368 Original Medicare patients and 15,699 services for Ranee Angeli R. Lleva. This counts Original Medicare only and measures volume, not quality.
What is Ranee Angeli R. Lleva's NPI number?
1578709143. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ranee Angeli R. Lleva, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients368
Services billed to Medicare15,699
Different services or procedures18
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)13,740 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)612 services
  3. Injection of drug or substance under skin or into muscle (96372)233 services
  4. Blood glucose (sugar) test performed by hand-held instrument (82962)112 services
  5. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)64 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure62%
  • Osteoporosis58%
  • Arthritis51%
  • Diabetes33%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)21%

Hospitals where Ranee Angeli R. Lleva works

Medicare's Facility Affiliation Data lists Ranee Angeli R. Lleva at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Bridgeport HospitalBridgeport, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070010
  • Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070018
  • Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006
  • Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070022

Practice locations

Addresses where Ranee Angeli R. Lleva is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ranee Angeli R. Lleva as a member of this group (CMS data updated October 2, 2026).

  • Northeast Medical Group Inc1,360 clinicians in the group

Specialties

Find other Endocrinology doctors in Connecticut →

Other endocrinologists in Stamford

Clinicians with the same Medicare primary specialty in Stamford, CT — not a recommendation.

All endocrinologists in Stamford →

Other clinicians in Northeast Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1578709143
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians