Leonierose Dacuycuy, M.D.
NPI 1588059661 · Endocrinology, Diabetes & Metabolism Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonierose Dacuycuy, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Fremont, CA (NPI 1588059661).
Provider details
- NPI number
- 1588059661
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A144075 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 118 | 39 |
| Semaglutidebrand: Ozempic | 112 | 25 |
| Dulaglutidebrand: Trulicity | 72 | 17 |
| Levothyroxine Sodium | 71 | 24 |
| Metformin Hcl | 59 | 25 |
| Insulin Glargine,hum.rec.anlogbrand: Basaglar Kwikpen U-100 | 50 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$210 across 11 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
Additional practice locations (1)
- 7912 West Ln Ste 221Stockton, CA 95210-3159Phone: (209) 636-5000
Registry dates
- Enumerated
- 2015-04-05
- Last updated
- 2025-10-24
- Certified
- 2025-10-24
Frequently asked questions
- What is Leonierose Dacuycuy's NPI number?
- Leonierose Dacuycuy's National Provider Identifier (NPI) is 1588059661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonierose Dacuycuy's specialty?
- Leonierose Dacuycuy is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Leonierose Dacuycuy located?
- Leonierose Dacuycuy's practice location on file with NPPES is 3200 Kearney St, Fremont, CA 94538-2299.
- What is Leonierose Dacuycuy's phone number?
- The practice phone number listed in the NPPES registry for Leonierose Dacuycuy is (510) 498-2357.
- Does Leonierose Dacuycuy accept Medicare?
- Leonierose Dacuycuy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonierose Dacuycuy's NPI active?
- Yes — Leonierose Dacuycuy's NPI (1588059661) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.