NPPES file of Aug 9, 2026

Marianne K. Melnik, MD

Surgical Oncology Physician · Grand Rapids, MI

Marianne K. Melnik, MD is a surgical oncology physician with a practice address in Grand Rapids, Michigan, and NPI 1629142658, issued on Nov 20, 2006. Check the license (Michigan 4301067619, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629142658
Name
Marianne K. Melnik
Credential
MD
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License numbers
4301067619 MI
ML067619 MI
Self-reported in NPPES; status is on the state search
Practice location
145 Michigan St NE, Grand Rapids, MI 49503
Phone
(616) 486-6333
Enumerated
Nov 20, 2006
Record last updated
Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(616) 486-6399
Medicaid ID
104745617 MI
Medicare enrollment
Enrolled (PECOS I20040120000924); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 145 Michigan St NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Syed Muneer Abidi, MDHematology (Internal Medicine) Physician1922045525
  2. Amy Amash, M.S., C.G.C.Genetic Counselor (M.S.)1629001268
  3. Murwarid Assifi, MDSurgical Oncology Physician1548416563
  4. Lisa Berger, P.A.Physician Assistant1497729172
  5. Jamie Bray, PA-CMedical Physician Assistant1609964691
  6. Kristin Brown, CNSOncology Registered Nurse1033923149

Verify Marianne K. Melnik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301067619
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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34% more Medicare Part D claims than the average surgical oncology physician in 2024

117 Medicare Part D claims for 56 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.

  1. Marianne Melnik117
  2. Specialty average87

Most prescribed

  1. Anastrozole40 claims
  2. Letrozole36 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.9
  2. Costout of 100 · 30%41.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Spectrum Health HospitalsGrand Rapids, MI
  2. Spectrum Health Primary Care PartnersGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marianne K. Melnik among 33 surgical oncology physician records in Michigan

Marianne K. Melnik, MD is one of 33 surgical oncology physician records with a practice address in Michigan. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 70% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated1983 · median 2007 among the 28 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in Michigan

There are 33 surgical oncology physician records in Michigan.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Murwarid Assifi, MDGrand Rapids, MI 495031548416563
  2. Mathew Chung, MDGrand Rapids, MI 495031386685592
  3. Jill Onesti, M.D.Grand Rapids, MI 495031063674497
  4. Judy Smith, MDGrand Rapids, MI 495031154302172
  5. Tina Wong-Gillam, M.D.-PH.D.Grand Rapids, MI 495031578940334
  6. Gerald Wright, M.D.Grand Rapids, MI 495031700199809
  7. Laurence McCahill, MDWyoming, MI 495191467557835
  8. Gitonga Munene, MDKalamazoo, MI 490071164663829

Common questions

What is Marianne K. Melnik, MD's NPI number?

Marianne K. Melnik, MD's National Provider Identifier (NPI) is 1629142658, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marianne K. Melnik, MD located?

The NPPES record lists a practice address at 145 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 486-6333. Providers update this record themselves, so call before visiting.

How can I verify Marianne K. Melnik, MD's license?

NPPES lists Michigan license number 4301067619, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marianne K. Melnik, MD prescribe under Medicare Part D?

In 2024, Marianne K. Melnik, MD had 117 Medicare Part D claims for 56 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.

What is Marianne K. Melnik, MD's MIPS final score?

The 2023 MIPS final score is 86.4 of 100, reported for the practice group. 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.