Endocrine Advantage, a Medical Corporation
NPI 1427856608 · Endocrinology, Diabetes & Metabolism Physician · Rancho Cucamonga, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Endocrine Advantage, a Medical Corporation is a Endocrinology, Diabetes & Metabolism Physician organization in Rancho Cucamonga, CA (NPI 1427856608).
Provider details
- NPI number
- 1427856608
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Silvana Giannelli, President(909) 757-8078
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Endocrine Advantage
Registry dates
- Enumerated
- 2025-03-04
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Endocrine Advantage, a Medical Corporation's NPI number?
- Endocrine Advantage, a Medical Corporation's National Provider Identifier (NPI) is 1427856608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Endocrine Advantage, a Medical Corporation?
- Endocrine Advantage, a Medical Corporation is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Endocrine Advantage, a Medical Corporation located?
- Endocrine Advantage, a Medical Corporation's practice location on file with NPPES is 10807 Laurel St Ste 200, Rancho Cucamonga, CA 91730-0633.
- What is Endocrine Advantage, a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Endocrine Advantage, a Medical Corporation is (909) 757-8078.
- Does Endocrine Advantage, a Medical Corporation accept Medicare?
- Endocrine Advantage, a Medical Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Endocrine Advantage, a Medical Corporation?
- The authorized official listed on Endocrine Advantage, a Medical Corporation's NPPES record is Silvana Giannelli, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Endocrine Advantage, a Medical Corporation's NPI active?
- Yes — Endocrine Advantage, a Medical Corporation's NPI (1427856608) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.