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DR. MARCELO U GRAZZIOTIN M.D.
NPI 1497758072
Surgery in Green Bay, WI

Active since May 27, 2005PECOS EnrolledAccepts Medicare Assignment
720 S. VANBUREN ST. SUITE 201, GREEN BAY, WI 54301(920) 433-7488(920) 438-7193 Get Directions Write a Review

NPPES record last updated: July 26, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Marcelo U Grazziotin M.d. NPPES

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

DR. MARCELO U GRAZZIOTIN M.D. (NPI 1497758072) is an individual surgery provider in Green Bay, Wisconsin, licensed in Wisconsin (46257-20) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1497758072
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. MARCELO U GRAZZIOTINCredential: M.D.
Location Address720 S. VANBUREN ST. SUITE 201Green Bay, WI 54301-3534
Mailing AddressPo Box 22487Green Bay, WI 54305-2487 · (920) 445-7210 · Fax (920) 445-7289
Phone(920) 433-7488
Fax(920) 438-7193
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateMay 27, 2005
Last NPPES UpdateJuly 26, 2022
NPPES CertifiedJuly 26, 2022
✔ NPI 1497758072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WI · 46257-20
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSpecialistTaxonomy 174400000X · License 46257 (WI)
720 S. VANBUREN ST. SUITE 201, Green Bay, WI 54301
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1610 S Lincoln RdEscanaba, MI 49829-1215 · Phone (906) 786-6488 · Fax (906) 786-6409
Location 2440 Woodward AveIron Mountain, MI 49801-4631 · Phone (906) 776-9040 · Fax (906) 774-5950

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Blue Care Network of Michigan 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

Dr. Marcelo U Grazziotin M.d. 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 ID9133119175
PECOS Enrollment IDI20040513000293, I20201230001092
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

2

Medicare enrollment records show Marcelo Grazziotin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bellin Memorial Hospital Inc
Same address
Surgery
720 S VANBUREN ST, SUITE 201
Green Bay, WI 54301
  • Reassigned Medicare billing, Wisconsin and Michigan enrollments
  • Also billed through NPI 1033172390 (Michigan)
  • 875 clinicians in this Medicare group
NPI 1104263532 (920) 433-7488
Oconto Hospital & Medical Center Inc
25 mi
Rural Health
575 4TH ST
Kewaunee, WI 54216
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1356373302 (Wisconsin)
  • 573 clinicians in this Medicare group
NPI 1053279091 (920) 388-4640

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
23 services13 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
21 services19 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
18 services18 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
12 services12 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Bellin Memorial Hospital

Acute Care Hospitals · Green Bay, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520049
Location744 S Webster AveGreen Bay, WI 54305 · Brown County
Emergency services Birthing friendly

Bellin Health Oconto Hospital

Critical Access Hospitals · Oconto, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521356
Location820 Arbutus AveOconto, WI 54153 · Oconto County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54301 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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 Marcelo Grazziotin's NPI number?

The NPI number for Marcelo Grazziotin is 1497758072. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is Marcelo Grazziotin located?

Marcelo Grazziotin practices at 720 S. Vanburen St. Suite 201, Green Bay, WI 54301. The listed phone number is (920) 433-7488.

What is Marcelo Grazziotin's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Marcelo Grazziotin enrolled in Medicare?

Yes. Marcelo Grazziotin 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 Marcelo Grazziotin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcelo Grazziotin reassigns Medicare benefits to 2 organizations: Bellin Memorial Hospital Inc (Green Bay, WI) and Oconto Hospital & Medical Center Inc (Kewaunee, WI). 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 Marcelo Grazziotin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcelo Grazziotin accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and CareSource (Common Ground Healthcare) and 1 other insurer list Marcelo Grazziotin 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 Marcelo Grazziotin affiliated with any hospitals?

According to CMS data, Marcelo Grazziotin is affiliated with Bellin Memorial Hospital and Bellin Health Oconto Hospital.

When was this NPI record last updated?

The NPPES record for Marcelo Grazziotin was last updated on July 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.