Jessica Castellanos-Diaz, MD
NPI 1295117489 · Endocrinology, Diabetes & Metabolism Physician · Kissimmee, FL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jessica Castellanos-Diaz, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Kissimmee, FL (NPI 1295117489).
Provider details
- NPI number
- 1295117489
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME151130 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 106 | 28 |
| Empagliflozinbrand: Jardiance | 90 | 32 |
| Dulaglutidebrand: Trulicity | 83 | 23 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 56 | 19 |
| Tirzepatidebrand: Mounjaro | 56 | — |
| Glipizidebrand: Glipizide Er | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$245 across 12 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)
- 130 Ridge Center DrDavenport, FL 33837-6413Phone: (866) 234-8534
Registry dates
- Enumerated
- 2015-06-24
- Last updated
- 2026-02-08
- Certified
- 2026-02-08
Frequently asked questions
- What is Jessica Castellanos-Diaz's NPI number?
- Jessica Castellanos-Diaz's National Provider Identifier (NPI) is 1295117489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jessica Castellanos-Diaz's specialty?
- Jessica Castellanos-Diaz is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Jessica Castellanos-Diaz located?
- Jessica Castellanos-Diaz's practice location on file with NPPES is 2400 N Orange Blossom Trl Ste 306, Kissimmee, FL 34744-2308.
- What is Jessica Castellanos-Diaz's phone number?
- The practice phone number listed in the NPPES registry for Jessica Castellanos-Diaz is (407) 932-6190.
- Does Jessica Castellanos-Diaz accept Medicare?
- Jessica Castellanos-Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jessica Castellanos-Diaz's NPI active?
- Yes — Jessica Castellanos-Diaz's NPI (1295117489) is active in the NPPES registry as of the last update on 2026-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.