DR. JESSICA CASTELLANOS-DIAZ MD
NPI 1295117489
Internal Medicine - Endocrinology, Diabetes & Metabolism in Kissimmee, FL

Q: What is Jessica Castellanos-diaz's NPI number?

The NPI number for Jessica Castellanos-diaz is 1295117489. It was assigned to this individual provider in the NPPES registry on June 24, 2015.

Q: What is Jessica Castellanos-diaz's specialty?

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

Active since June 24, 2015PECOS EnrolledAccepts Medicare Assignment

2400 N ORANGE BLOSSOM TRL STE 306, KISSIMMEE, FL 34744(407) 932-6190(407) 932-6191 Get Directions Write a Review

NPPES record last updated: February 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 8, 2026, May 11, 2021 (2 updates tracked since 2021).

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About Dr. Jessica Castellanos-diaz Md NPPES

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

DR. JESSICA CASTELLANOS-DIAZ MD (NPI 1295117489) is an individual endocrinology, diabetes & metabolism provider in Kissimmee, Florida, licensed in Florida (ME151130) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Orlando, and maintains a secondary practice location in Davenport.

NPPES Registry Identity

NPI1295117489

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameDR. JESSICA CASTELLANOS-DIAZCredential: MD

Location Address2400 N ORANGE BLOSSOM TRL STE 306Kissimmee, FL 34744-2308

Mailing Address2400 N Orange Blossom Trl Ste 306Kissimmee, FL 34744-2308 · (407) 932-6190 · Fax (407) 932-6191

Phone(407) 932-6190

Fax(407) 932-6191

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateJune 24, 2015

Last NPPES UpdateFebruary 8, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 8, 2026

✔ NPI 1295117489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

Licenses✔ Licensed in FL · ME151130✔ Licensed in FL · 25915

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 31658 (PR)

2400 N ORANGE BLOSSOM TRL STE 306, Kissimmee, FL 34744

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Secondary Practice Location 1

Location 1130 Ridge Center DrDavenport, FL 33837-6413 · Phone (866) 234-8534

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Molina Healthcare.Insurance ›

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

Dr. Jessica Castellanos-diaz 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 ID648500983

PECOS Enrollment IDI20211109001090

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventhealth Orlando

Acute Care Hospitals · Orlando, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100007

Location601 E Rollins StOrlando, FL 32803 · Orange County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34744 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

$130.04 typical visit price

range $56.00 – $171.84

Typical copayment $32.51 (range $14.00 – $42.96)

Most-billed visit code 99204

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

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.

Referred Medical Equipment & Supplies CMS DME claims

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

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

5 suppliers69 claims70 services$185.89 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 2

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

JUAN CARLOS VARON M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

2400 N ORANGE BLOSSOM TRL STE 306
KISSIMMEE, FL 34744

Osceola County (407) 932-6190

DANIEL RYAN ULLAH PA-C

Physician Assistant

2400 N ORANGE BLOSSOM TRL STE 306
KISSIMMEE, FL 34744

Osceola County (407) 932-6190

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 Jessica Castellanos-diaz's NPI number?

The NPI number for Jessica Castellanos-diaz is 1295117489. It was assigned to this individual provider in the NPPES registry on June 24, 2015.

Where is Jessica Castellanos-diaz located?

Jessica Castellanos-diaz practices at 2400 N Orange Blossom Trl Ste 306, Kissimmee, FL 34744. The listed phone number is (407) 932-6190.

What is Jessica Castellanos-diaz's specialty?

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

Is Jessica Castellanos-diaz enrolled in Medicare?

Yes. Jessica Castellanos-diaz 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.

What insurance does Jessica Castellanos-diaz accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Molina Healthcare list Jessica Castellanos-diaz 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.

Is Jessica Castellanos-diaz affiliated with any hospitals?

According to CMS data, Jessica Castellanos-diaz is affiliated with Adventhealth Orlando.

When was this NPI record last updated?

The NPPES record for Jessica Castellanos-diaz was last updated on February 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.