NPPES file of Aug 9, 2026

Peter Marks, MD

Obstetrics & Gynecology Physician · Grand Rapids, MI

Peter Marks, MD is an obstetrics & gynecology physician with a practice address in Grand Rapids, Michigan, and NPI 1811991581, issued on Jun 9, 2005. Check the license (Michigan 4301028718, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811991581
Name
Peter Marks
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
4301028718 MI
Self-reported in NPPES; status is on the state search
Practice location
1000 E Paris Ave SE, Grand Rapids, MI 49546
Phone
(616) 391-3315
Enumerated
Jun 9, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(616) 391-3320
Medicaid ID
4199571 MI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →

Also registered at 1000 E Paris Ave SE

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

  1. Eiyass Albeiruti, M.D.Ophthalmology Physician1952503864
  2. Christina AllenBehavior Technician1366256109
  3. Amber AndersonBehavior Technician1295420768
  4. Thomas Balaskas, M.D.Specialist1477548840
  5. Kadin Beck-Kusnier, BEHAVIORAL TECHBehavior Technician1114721826
  6. Esther BelliBehavior Technician1154106102

Verify Peter Marks 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 4301028718    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Peter Marks among 1,776 obstetrics & gynecology physician records in Michigan

Peter Marks, MD is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2007 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

183 obstetrics & gynecology physician records list a practice address in Grand Rapids

They are 183 of the 18,005 NPPES records with a practice address in Grand Rapids, and 1,776 obstetrics & gynecology physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,776 in Michigan → Every provider in Grand Rapids → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Sarah Arnold, M.D.Grand Rapids, MI 495461285696591
  2. Stephen Dalm, D.O.Grand Rapids, MI 495461114028255
  3. Rachael Fizer, D.O.Grand Rapids, MI 495461790199578
  4. Connie Januzelli, DOGrand Rapids, MI 495461407966211
  5. Mary Oatey, D.O.Grand Rapids, MI 495461366404295
  6. Robert Roberts, MDGrand Rapids, MI 495461093823528
  7. Holly Gibson, MDGrand Rapids, MI 495481801100599
  8. Katheryn Knudson, MDGrand Rapids, MI 495481063452118

Common questions

What is Peter Marks, MD's NPI number?

Peter Marks, MD's National Provider Identifier (NPI) is 1811991581, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Peter Marks, MD located?

The NPPES record lists a practice address at 1000 E Paris Ave SE, Grand Rapids, MI, 49546. Phone: (616) 391-3315. Providers update this record themselves, so call before visiting.

How can I verify Peter Marks, MD's license?

NPPES lists Michigan license number 4301028718, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.