DR. JOHN A. GUZZO (M.D.) – Specialist, NPI 1841262771

DR. JOHN A. GUZZO (M.D.) is a healthcare provider. based in Chesterton, Indiana. specializing in ORTHOPEDIC SURGERY. They hold the professional credentials M.D.. They hold a License No. 01073893A (IN). The NPI Number for DR. JOHN A. GUZZO (M.D.) is 1841262771

Main info

Male
24 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN A. GUZZO (M.D.)
NPI
1841262771
Phone
(219) 921-1444
Address
601 GATEWAY BLVD N
Enumeration Date
4 February 2006
Last Update Date
7 March 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2199211444
Graduation Year
2002 (24 years ago)
PAC ID
2769562156
Group Practice PAC ID
3173500519
Professional Enrollment ID
I20140722000466
Address ID
IN463077294CR500XXAVEX400

Contacts

Secure Messaging
j.guzzo@lbji.exscribedirect.com
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

668 ORTHOPEDIC SURGERY in IN

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Provider Addresses for DR. JOHN A. GUZZO (M.D.)

  • 601, Gateway Boulevard, Chesterton, Porter County, Indiana, 46304, United States

    CHESTERTON, IN 463049658

    Phone: (219) 921-1444

    Fax: (219) 921-0533

    Type: Mailing

  • University of Saint Francis Crown Point, 12800, Mississippi Parkway, Crown Point, Lake County, Indiana, 46307, United States

    CROWN POINT, IN 463076900

    Phone: (219) 921-1444

    Fax: (219) 921-5303

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $63.

Total Amount is formed as General ($63) + Research ($0) + Ownership ($0) = $63.

Last reported payment date: 2024-10-24 • Largest payer in this snapshot: ATRICURE, INC. ($27).

Total Amount

$63

General + Research + Ownership

Payments

3

Total payment records

General Amount

$63

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-24

Latest reported date

Top Companies

Largest payers in this snapshot

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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-07-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20140722000466IOrthopedic SurgeryINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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
J3301Injection, triamcinolone acetonide, not otherwise specified, 10 mg1,497230$0
99214Established patient office or other outpatient visit, 30-39 minutes603354$0
20610Aspiration and/or injection of fluid from large joint563261$0
J7321Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose30865$0
73564X-ray of knee, 4 or more views244184$0
View full utilization report →

Insurance plans in this area (ZIP 46304)

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Provider's Procedures

DR. JOHN A. GUZZO (M.D.) performs procedures in ORTHOPEDIC SURGERY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
ORTHOPEDIC SURGERYIN20610Aspiration and/or injection of large joint or joint capsule279128
ORTHOPEDIC SURGERYIN73110X-ray of wrist, minimum of 3 views4824

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: 3173500519View full group profile
NameSpecialtyState
Physical Therapist In Private PracticeIL
Physician AssistantIN
Occupational Therapist In Private PracticeIL
Orthopedic SurgeryIN
Physical Therapist In Private PracticeIL
Physical Therapist In Private PracticeIN
-IN
Physical Therapist In Private PracticeIN
Occupational Therapist In Private PracticeWI
Nurse PractitionerIN

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Frequently asked questions

What is DR. JOHN A. GUZZO (M.D.)'s NPI number?
DR. JOHN A. GUZZO (M.D.)'s NPI is 1841262771 — the number used across U.S. healthcare to identify this provider.
Is DR. JOHN A. GUZZO (M.D.) still an active registrant?
DR. JOHN A. GUZZO (M.D.) carries an active NPI according to the public dataset.
How would a patient describe DR. JOHN A. GUZZO (M.D.)'s focus?
For DR. JOHN A. GUZZO (M.D.), the primary taxonomy reads as Other Service Providers. Clinical services aligned with this taxonomy classification.
Is DR. JOHN A. GUZZO (M.D.) located near Chesterton?
DR. JOHN A. GUZZO (M.D.) currently maps to Chesterton, Indiana in this extract.
When was this NPI issued?
Enumeration for DR. JOHN A. GUZZO (M.D.) is noted as February 4, 2006 where the registry provides it.

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