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SILVANA MARISA GIANNELLI MD
NPI 1821295247
Internal Medicine - Endocrinology, Diabetes & Metabolism in Rancho Cucamonga, CA

Active since June 29, 2007PECOS EnrolledAccepts Medicare Assignment
85.18/100
CMS Quality Rating
10807 LAUREL ST STE 200, RANCHO CUCAMONGA, CA 91730(909) 757-8078(909) 244-9652 Get Directions Write a Review

NPPES record last updated: May 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 13, 2025, Jul 14, 2018 (2 updates tracked since 2018).

About Silvana Marisa Giannelli Md NPPES

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

SILVANA MARISA GIANNELLI MD (NPI 1821295247) is an individual endocrinology, diabetes & metabolism provider in Rancho Cucamonga, California, licensed in California (A109512) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1821295247
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameSILVANA MARISA GIANNELLICredential: MD
Location Address10807 LAUREL ST STE 200Rancho Cucamonga, CA 91730-0633
Mailing Address10807 Laurel St Ste 200Rancho Cucamonga, CA 91730-0633 · (909) 894-8791
Phone(909) 757-8078
Fax(909) 244-9652
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJune 29, 2007
Last NPPES UpdateMay 13, 20252 updates tracked since enumeration
NPPES CertifiedMay 13, 2025
✔ NPI 1821295247 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 CA · A109512
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.
10807 LAUREL ST STE 200, Rancho Cucamonga, CA 91730
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Silvana Marisa Giannelli Md 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 ID6002064227
PECOS Enrollment IDI20120913000274
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.

Areas of Expertise CMS Part B claims 3

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.

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.
296 services127 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
26 services21 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
16 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91730 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

Reported Quality Measures

Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
100%78 patients5/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
100%57 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

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
7 suppliers16 claims51 services$6.28 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
2 suppliers72 claims73 services$185.21 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

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

ENDOCRINE ADVANTAGE, A MEDICAL CORPORATION
Internal Medicine (Endocrinology, Diabetes & Metabolism)
10807 LAUREL ST STE 200
RANCHO CUCAMONGA, CA 91730
San Bernardino County (909) 757-8078

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 Silvana Giannelli's NPI number?

The NPI number for Silvana Giannelli is 1821295247. It was assigned to this individual provider in the NPPES registry on June 29, 2007.

Where is Silvana Giannelli located?

Silvana Giannelli practices at 10807 Laurel St Ste 200, Rancho Cucamonga, CA 91730. The listed phone number is (909) 757-8078.

What is Silvana Giannelli's specialty?

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

Is Silvana Giannelli enrolled in Medicare?

Yes. Silvana Giannelli 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.

When was this NPI record last updated?

The NPPES record for Silvana Giannelli was last updated on May 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.