Marcelo U. Grazziotin, M.D.
Surgery Physician · Green Bay, WI
Marcelo U. Grazziotin, M.D. is a surgery physician with a practice address in Green Bay, Wisconsin, and NPI 1497758072, issued on May 27, 2005. Check the license (Wisconsin 46257-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marcelo U. Grazziotin
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 46257-20 WI
46257 WI
Self-reported in NPPES; status is on the state search - Practice location
- 720 S. Vanburen St. Suite 201, Green Bay, WI 54301
- Phone
- (920) 433-7488
- Enumerated
- May 27, 2005
- Record last updated
- Jul 26, 2022
- Fax
- (920) 438-7193
- Medicare enrollment
- Enrolled (PECOS I20201230001092); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Marcelo U. Grazziotin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 46257-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average surgery physician in 2024
110 Medicare Part D claims for 94 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 92 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen67 claims
- Oxycodone-Acetaminophen11 claims
- Tramadol Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $28.50
1 payment: food and beverage; the largest payer was Endomagnetics Ltd. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Bellin Memorial Hospital IncIron Mountain, MI
- Oconto Hospital And Medical Center IncOconto, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgery Physician providers in Wisconsin
There are 726 surgery physician records in Wisconsin.
Other surgery physician records in Wisconsin
- Michael AabergMadison, WI1346991064
- Benjamin Abadeer, DOAppleton, WI1255541603
- Warren Abell, DOOsceola, WI1265407662
- Marina Affi Koprowski, M.D.Milwaukee, WI1275065575
- Amin Afrazi, MD,PH.DMadison, WI1073931358
- Humera Ahmad, M.D.Green Bay, WI1174934806
- Kaleem Ahmed, MD, MSAIMadison, WI1215780671
- Charles Alden, M.D.Wausau, WI1043212947
- Betty Allen, MDMadison, WI1043745755
- Melissa Amberger, D.O.Beloit, WI1366882797
Common questions
What is Marcelo U. Grazziotin, M.D.'s NPI number?
Marcelo U. Grazziotin, M.D.'s National Provider Identifier (NPI) is 1497758072, issued on May 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marcelo U. Grazziotin, M.D. located?
The NPPES record lists a practice address at 720 S. Vanburen St. Suite 201, Green Bay, WI, 54301. Phone: (920) 433-7488. Providers update this record themselves, so call before visiting.
How can I verify Marcelo U. Grazziotin, M.D.'s license?
NPPES lists Wisconsin license number 46257-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marcelo U. Grazziotin, M.D. prescribe under Medicare Part D?
In 2024, Marcelo U. Grazziotin, M.D. had 110 Medicare Part D claims for 94 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.