WILLIAM GUGLIELMO CATALDI (DO) – Family Medicine Physician, NPI 1245222801

WILLIAM GUGLIELMO CATALDI (DO) is a healthcare provider. based in Dyer, Indiana. specializing in Family Medicine Physician. They hold the professional credentials DO. They hold a License No. 02000476A (IN). The NPI Number for WILLIAM GUGLIELMO CATALDI (DO) is 1245222801

Main info

Male
59 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM GUGLIELMO CATALDI (DO)
NPI
1245222801
Phone
(219) 322-1450
Address
840 RICHARD RD STE 2
Enumeration Date
19 August 2005
Last Update Date
24 June 2024

Doctor Profile

Medical School Name
CHICAGO COLLEGE OF OSTEOPATHY
Secondary Phone
2193221450
Graduation Year
1967 (59 years ago)
PAC ID
7416990684
Group Practice PAC ID
3072790682
Professional Enrollment ID
I20050608000659

Contacts

Secure Messaging
wcataldi4694@Direct.FranciscanAlliance.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for WILLIAM GUGLIELMO CATALDI (DO)

  • Richard Road, Dyer, Lake County, Indiana, 46311, United States

    DYER, IN 463111994

    Phone: (219) 322-1450

    Fax: (219) 322-8260

    Type: Location

  • 1331 WILDERNESS DR

    SCHERERVILLE, IN 463752945

    Phone: (219) 322-1450

    Type: Location

  • 1910, Michigan Box Company, Detroit, Wayne County, Michigan, 48211, United States

    DETROIT, MI 482781076

    Phone: (317) 528-4800

    Fax: (317) 865-1479

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 4 Open Payments records for all available years, with a total value of $79.

Total Amount is formed as General ($79) + Research ($0) + Ownership ($0) = $79.

Last reported payment date: 2023-12-21 • Largest payer in this snapshot: ABBVIE INC. ($46).

Total Amount

$79

General + Research + Ownership

Payments

4

Total payment records

General Amount

$79

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-12-21

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
ABBVIE INC.$46
Dexcom, Inc.$17
Amgen Inc.$16
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes240156$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit8282$0
G0008Administration of influenza virus vaccine2020$0
96372Injection of drug or substance under skin or into muscle1616$0
99214Established patient office or other outpatient visit, 30-39 minutes1513$0
View full utilization report →

Insurance plans in this area (ZIP 46311)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3072790682View full group profile

Reviews

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Frequently asked questions

What number should I use to identify WILLIAM GUGLIELMO CATALDI (DO) for billing?
Administrative and clinical systems typically use NPI 1245222801 for WILLIAM GUGLIELMO CATALDI (DO).
Does the public listing show WILLIAM GUGLIELMO CATALDI (DO) as active?
WILLIAM GUGLIELMO CATALDI (DO)'s NPI record reflects an active status in NPPES.
How should patients interpret WILLIAM GUGLIELMO CATALDI (DO)'s specialty?
The extract shows Family Medicine Physician for WILLIAM GUGLIELMO CATALDI (DO). Clinical services aligned with this taxonomy classification.
Is WILLIAM GUGLIELMO CATALDI (DO) tied to Dyer, Indiana?
If you are local to Dyer, Indiana, WILLIAM GUGLIELMO CATALDI (DO) may be relevant to your search.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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