Marc Grodsky, MD
Colon & Rectal Surgery Physician · Green Bay, WI
Marc Grodsky, MD is a colon & rectal surgery physician with a practice address in Green Bay, Wisconsin, and NPI 1639379118, issued on Jul 23, 2007. Check the license (Wisconsin 62935-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marc Grodsky
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License numbers
- 62935-20 WI
MD041610 DC
Self-reported in NPPES; status is on the state search - Practice location
- 670 Cormier RD, Green Bay, WI 54304
- Phone
- (920) 494-9685
- Enumerated
- Jul 23, 2007
- Record last updated
- Oct 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140919000978); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2006
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 31 in Wisconsin → Look up another NPI →
Verify Marc Grodsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 62935-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
133 Medicare Part D claims for 60 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 34 claims were for opioids.
Most prescribed
- Peg 3350-Electrolyte35 claims
- Hydrocodone-Acetaminophen21 claims
- Metronidazole19 claims
- Neomycin Sulfate19 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.
The MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Grodsky among 31 colon & rectal surgery physician records in Wisconsin
Marc Grodsky, MD is one of 31 colon & rectal surgery physician records with a practice address in Wisconsin. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 61% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2006 · median 2006 among the 27 with a school on file
- Record last updated2014 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Wisconsin
There are 31 colon & rectal surgery physician records in Wisconsin.
All 31 in Wisconsin → Every provider in Green Bay → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Peter Falk, MDGreen Bay, WI 543041053424853
- Scott Ruggles, MDGreen Bay, WI 543011174636062
- Alfonso Velasco, MDMarshfield, WI 544491144321993
- Michitaka Kawata, M.D.La Crosse, WI 546011417186859
- Andrew Morris, M.D.La Crosse, WI 546011194068320
- David Nelms, M.D.La Crosse, WI 546011386088565
- Francisco Cardenas Lara, MDEau Claire, WI 547031033640156
- Dan Metcalf, MDAshland, WI 548061306819073
Common questions
What is Marc Grodsky, MD's NPI number?
Marc Grodsky, MD's National Provider Identifier (NPI) is 1639379118, issued on Jul 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marc Grodsky, MD located?
The NPPES record lists a practice address at 670 Cormier RD, Green Bay, WI, 54304. Phone: (920) 494-9685. Providers update this record themselves, so call before visiting.
How can I verify Marc Grodsky, MD's license?
NPPES lists Wisconsin license number 62935-20, 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 Marc Grodsky, MD prescribe under Medicare Part D?
In 2024, Marc Grodsky, MD had 133 Medicare Part D claims for 60 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Marc Grodsky, MD's MIPS final score?
The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.