GUILHERME ATTIZZANI – Cardiovascular Disease Physician, NPI 1144621889

GUILHERME ATTIZZANI is a healthcare provider. based in Cleveland, Ohio. specializing in CARDIOVASCULAR DISEASE (CARDIOLOGY). They hold a License No. 80-000024 (OH). The NPI Number for GUILHERME ATTIZZANI is 1144621889

Main info

Male
26 Years Of Experience
Accepts Medicare Assignment
Name
GUILHERME ATTIZZANI
NPI
1144621889
Phone
Not provided
Address
11100 EUCLID AVE
Enumeration Date
12 September 2014
Last Update Date
8 January 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
2000 (26 years ago)
PAC ID
7214157437
Group Practice PAC ID
4789682493
Professional Enrollment ID
I20141009001710
Address ID
OH441061716CL11100AVEX300
Telehealth
Yes

Contacts

Secure Messaging
guilhermeattizzani@uhps.allscriptsdirect.net
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience46
Completeness85
Years active:11State licenses:1Other namesUpdated within 12 months

1,508 CARDIOVASCULAR DISEASE (CARDIOLOGY) in OH

Provider Addresses for GUILHERME ATTIZZANI

  • 11100 EUCLID AVE

    CLEVELAND, OH 441061716

    Phone:

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 643 Open Payments records for all available years, with a total value of $515,740.

Total Amount is formed as General ($510,215) + Research ($5,525) + Ownership ($0) = $515,740.

Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Medtronic, Inc. ($508,019).

Total Amount

$515,740

General + Research + Ownership

Payments

643

Total payment records

General Amount

$510,215

General payments

Research Amount

$5,525

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-19

Latest reported date

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: 2014-10-09

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Past revalidation due date

Earliest CMS due date was 2023-10-31 (954 days ago).

Enrollment records

1

Earliest due date

2023-10-31

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
I20141009001710ICardiovascular Disease (Cardiology)OH2023-10-31

What to do next

  • Verify current status on the CMS Revalidation Lookup Tool immediately.
  • Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
  • Overdue revalidation can lead to deactivation of Medicare billing privileges.

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
99205New patient office or other outpatient visit, 60-74 minutes125124$0
33361Replacement of aortic valve through the skin and femoral artery102102$0
99215Established patient office or other outpatient visit, 40-54 minutes4544$0
99204New patient office or other outpatient visit, 45-59 minutes2323$0
99214Established patient office or other outpatient visit, 30-39 minutes2121$0
View full utilization report →

Insurance plans in this area (ZIP 44106)

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Provider's Procedures

GUILHERME ATTIZZANI performs procedures in CARDIOVASCULAR DISEASE (CARDIOLOGY). See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CARDIOVASCULAR DISEASE (CARDIOLOGY)OH93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart3030

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: 4789682493View full group profile
NameSpecialtyState
-OH
-MI
Hospitalist, Internal MedicineOH
-TX
-OH
Certified Registered Nurse Anesthetist (Crna)OH
-OH
O B S T E T R I C S/ G Y N E C O L O G YOH
-OH
-OH

Reviews

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Frequently asked questions

How is GUILHERME ATTIZZANI identified in CMS data?
CMS-hosted NPPES data lists GUILHERME ATTIZZANI with NPI 1144621889.
Does CMS list GUILHERME ATTIZZANI as active?
Yes — GUILHERME ATTIZZANI is active in the NPI listing used on this page.
What is GUILHERME ATTIZZANI's specialty?
The listing groups GUILHERME ATTIZZANI with Cardiovascular Disease Physician. Clinical services aligned with this taxonomy classification.
What area does GUILHERME ATTIZZANI serve?
GUILHERME ATTIZZANI's listing highlights Cleveland, Ohio; more addresses can appear in NPPES.
Is the information about GUILHERME ATTIZZANI up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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