Registry data as of Aug 27, 2026

Mark Ramthun, RDH

Dental Hygienist · Shelby, MI

Mark Ramthun, RDH is a dental hygienist with a practice address in Shelby, Michigan, and NPI 1942724612, issued on Aug 3, 2017. Check the license (Michigan 2902018266, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1942724612
Name
Mark Ramthun
Credential
RDH
Primary taxonomy
Dental Hygienist 124Q00000X
License number
2902018266 MI
Self-reported in NPPES; status is on the state search
Practice location
119 S State St, Shelby, MI 49455
Phone
(231) 861-2130
Enumerated
Aug 3, 2017
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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Also registered at 119 S State St

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

  1. Jonathan Bisson, PAMedical Physician Assistant1306555750
  2. Suelema GarciaCommunity Health Worker1629810338
  3. Alicia Harmon, CHWCommunity Health Worker1801650296
  4. Shannon Larson, R.D.H.Dental Hygienist1558751180
  5. Amy Ramthun, LLMSWSocial Worker1295552792
  6. Kathy Rosema, DOFamily Medicine Physician1689628927

Verify Mark Ramthun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 2902018266
    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
Find 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.

2 dental hygienist records list a Shelby practice address

They are 2 of the 47 NPPES records with a Shelby practice address, and 901 dental hygienist records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other dental hygienist records in Michigan

  1. Fatma AboubakrWestland, MI1811780430
  2. Frances Adams, RDHDetroit, MI1669813366
  3. Gale Adams, RDHDetroit, MI1205116647
  4. Irene AdamsSaint Joseph, MI1851890446
  5. Roxana Aguinaga, RDHDetroit, MI1740913383
  6. Ayat Al-Jafar, RDHGarden City, MI1700585205
  7. Leigh Albro, RDHFlint, MI1437546165
  8. Dean Alcorn, RDH BSPullman, MI1871529040
  9. Deanna Alexander, RDHSouthfield, MI1205596582
  10. Taisir Ali, RDHDetroit, MI1497255871

Common questions

What is Mark Ramthun, RDH's NPI number?

Mark Ramthun, RDH's National Provider Identifier (NPI) is 1942724612, issued on Aug 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mark Ramthun, RDH located?

The NPPES record lists a practice address at 119 S State St, Shelby, MI, 49455. Phone: (231) 861-2130. Providers update this record themselves, so call before visiting.

How can I verify Mark Ramthun, RDH's license?

NPPES lists Michigan license number 2902018266, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.