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DR. RANEE ANGELI RAPERA LLEVA M.D.
NPI 1578709143
Internal Medicine - Endocrinology, Diabetes & Metabolism in Greenwich, CT

Active since December 31, 2008PECOS EnrolledAccepts Medicare Assignment
93.27/100
CMS Quality Rating
55 HOLLY HILL LN, SUITE 150, GREENWICH, CT 06830(203) 863-3750 Get Directions Write a Review

NPPES record last updated: July 24, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ranee Angeli Rapera Lleva M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RANEE ANGELI RAPERA LLEVA M.D. (NPI 1578709143) is an individual endocrinology, diabetes & metabolism provider in Greenwich, Connecticut, licensed in Connecticut (050811) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1578709143
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. RANEE ANGELI RAPERA LLEVACredential: M.D.
Location Address55 HOLLY HILL LN, SUITE 150Greenwich, CT 06830-6074
Mailing Address2015 W Main St, Ste 150Stamford, CT 06902-4536 · (203) 863-3750
Phone(203) 863-3750
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateDecember 31, 2008
Last NPPES UpdateJuly 24, 2017
✔ NPI 1578709143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CT · 050811
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
55 HOLLY HILL LN, Greenwich, CT 06830
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ranee Angeli Rapera Lleva M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577710128
PECOS Enrollment IDI20120904000433
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Ranee Angeli Lleva reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mill Hill Medical Consultants Inc
Same address
Cardiovascular Disease
55 HOLLY HILL LN, SUITE 240
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Northeast Medical Group Inc
  • 1,824 clinicians in this Medicare group
NPI 1396755245 (203) 863-4210
Greenwich Hospital
1.8 mi
General Acute Care Hospital
5 PERRYRIDGE RD
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • 268 clinicians in this Medicare group
NPI 1609846088 (203) 863-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
13,740 services132 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
612 services341 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
233 services133 patients
Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
112 services60 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
64 services29 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
39 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06830 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.72
Promoting Interoperability78.03
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers65 claims191 services$5.81 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers22 claims33 services$1.14 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
3 suppliers23 claims23 services$296.65 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
9 suppliers137 claims137 services$188.77 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALEXANDER DELVECCHIO M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
55 HOLLY HILL LN, SUITE 240
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-4210
LEONID BILENKIN PHYSICIAN ASSISTANT
Physician Assistant (Surgical)
55 HOLLY HILL LN, 110
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-4670
CATHERINE STAFFIERI RD
Dietitian, Registered
55 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3764
DEVIN M SHAHEEN NP
Nurse Practitioner
55 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-4673
DR. YI-HAO YU M.D., PH.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
55 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3750
GREENWICH HOSPITAL
General Acute Care Hospital
55 HOLLY HILL LN
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3786
MILL HILL MEDICAL CONSULTANTS INC
Internal Medicine (Cardiovascular Disease)
55 HOLLY HILL LN, SUITE 240
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-4210
PUTNAM GYNECOLOGY & OBSTETRICS OF GREENWICH PC
Obstetrics & Gynecology
55 HOLLY HILL LN, SUITE 130
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 622-0303

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ranee Angeli Lleva's NPI number?

The NPI number for Ranee Angeli Lleva is 1578709143. It was assigned to this individual provider in the NPPES registry on December 31, 2008.

Where is Ranee Angeli Lleva located?

Ranee Angeli Lleva practices at 55 Holly Hill Ln Suite 150, Greenwich, CT 06830. The listed phone number is (203) 863-3750.

What is Ranee Angeli Lleva's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Ranee Angeli Lleva enrolled in Medicare?

Yes. Ranee Angeli Lleva is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ranee Angeli Lleva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ranee Angeli Lleva reassigns Medicare benefits to 2 organizations: Mill Hill Medical Consultants Inc (Greenwich, CT) and Greenwich Hospital (Greenwich, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ranee Angeli Lleva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ranee Angeli Lleva accept?

Health plans from Anthem Blue Cross and Blue Shield list Ranee Angeli Lleva as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ranee Angeli Lleva was last updated on July 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.