JOY MARIE CATIZONE-DIEGUEZ FNP-C
NPI 1487364816
Nurse Practitioner in Hobart, IN

Q: What is Joy Catizone-dieguez's NPI number?

The NPI number for Joy Catizone-dieguez is 1487364816. It was assigned to this individual provider in the NPPES registry on November 28, 2022.

Q: What is Joy Catizone-dieguez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since November 28, 2022PECOS EnrolledAccepts Medicare Assignment

8792 E RIDGE RD, HOBART, IN 46342(219) 301-2874 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 12, 2026, Oct 9, 2025, Nov 28, 2022 (3 updates tracked since 2022).

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About Joy Marie Catizone-dieguez Fnp-c NPPES

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

JOY MARIE CATIZONE-DIEGUEZ FNP-C (NPI 1487364816) is an individual nurse practitioner in Hobart, Indiana, licensed in Indiana (71013270A) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS, is affiliated with Methodist Hospitals Inc, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1487364816

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameJOY MARIE CATIZONE-DIEGUEZCredential: FNP-C

Location Address8792 E RIDGE RDHobart, IN 46342-2586

Mailing Address8792 E Ridge RdHobart, IN 46342-2586 · (219) 301-2874

Phone(219) 301-2874

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateNovember 28, 2022

Last NPPES UpdateJanuary 12, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 12, 2026

✔ NPI 1487364816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Licenses✔ Licensed in IN · 71013270A✔ Licensed in IL · 209026874✔ Licensed in AZ · APRNRNP328113

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License GAA-NP003779 (GA)

8792 E RIDGE RD, Hobart, IN 46342

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Joy Marie Catizone-dieguez Fnp-c 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 ID2769852912

PECOS Enrollment IDI20230104000236

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.

Medicare Billing Reassignments

Medicare enrollment records show Joy Catizone-dieguez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Methodist Hospitals, Inc

7.1 mi

Internal Medicine

2269 W 25TH AVE
Gary, IN 46404

Reassigned Medicare billing, Indiana enrollment
201 clinicians in this Medicare group

NPI 1720290349 (219) 884-2400

Advanced Pain & Anesthesia Consultants, PC

11 mi

Pain Medicine

11456 BROADWAY
Crown Point, IN 46307

Reassigned Medicare billing, Indiana enrollment
Medicare enrollment name: Advance Pain & Anesthesia Consultants, PC
24 clinicians in this Medicare group

NPI 1457387078 (219) 488-0176

Midwest Express Care, Inc

13 mi

Urgent Care

1500 INDIANAPOLIS BLVD
Schererville, IN 46375

Reassigned Medicare billing, Indiana enrollment
119 clinicians in this Medicare group

NPI 1942642848 (219) 440-7373

Nwi Urgent Care, LLC

14 mi

Urgent Care

8135 CALUMET AVE
Munster, IN 46321

Reassigned Medicare billing, Indiana enrollment
124 clinicians in this Medicare group

NPI 1043596703 (219) 513-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Methodist Hospitals Inc

Acute Care Hospitals · Gary, IN

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150002

Location600 Grant StGary, IN 46402 · Lake County

Emergency services Birthing friendly

St Mary Medical Center Inc

Acute Care Hospitals · Hobart, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150034

Location1500 S Lake Park AveHobart, IN 46342 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46342 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

$82.04 typical visit price

range $53.07 – $161.76

Typical copayment $20.51 (range $13.26 – $40.44)

Most-billed visit code 99203

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

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.

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 Joy Catizone-dieguez's NPI number?

The NPI number for Joy Catizone-dieguez is 1487364816. It was assigned to this individual provider in the NPPES registry on November 28, 2022.

Where is Joy Catizone-dieguez located?

Joy Catizone-dieguez practices at 8792 E Ridge Rd, Hobart, IN 46342. The listed phone number is (219) 301-2874.

What is Joy Catizone-dieguez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Joy Catizone-dieguez enrolled in Medicare?

Yes. Joy Catizone-dieguez 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.

Which organizations bill Medicare for Joy Catizone-dieguez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joy Catizone-dieguez reassigns Medicare benefits to 4 organizations: The Methodist Hospitals, Inc (Gary, IN), Advanced Pain & Anesthesia Consultants, PC (Crown Point, IN), Midwest Express Care, Inc (Schererville, IN) and Nwi Urgent Care, LLC (Munster, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joy Catizone-dieguez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joy Catizone-dieguez accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Joy Catizone-dieguez 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 Joy Catizone-dieguez affiliated with any hospitals?

According to CMS data, Joy Catizone-dieguez is affiliated with Methodist Hospitals Inc and St Mary Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Joy Catizone-dieguez was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.