NPPES file of Aug 9, 2026

Grant Kurtis Gillish, D.D.S.

General Practice Dentistry · Whitehall, MI

Grant Kurtis Gillish, D.D.S. is a general practice dentistry with a practice address in Whitehall, Michigan, and NPI 1659681591, issued on Oct 13, 2010. Check the license (Michigan 2901020310, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1659681591
Name
Grant Kurtis Gillish
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
2901020310 MI
Self-reported in NPPES; status is on the state search
Practice location
116 W Colby St, Whitehall, MI 49461
Phone
(231) 893-2915
Enumerated
Oct 13, 2010
Record last updated
Oct 13, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(231) 893-4719
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 116 W Colby St

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

  1. Elias Achey, DMDGeneral Practice Dentistry1962658054
  2. Kathy Craymer, LLPCMental Health Counselor1144458613
  3. Ronald Lehman, DDSDentist1710013040
  4. Melissa Reid, LMSW, ACSWClinical Social Worker1598854887
  5. Robert Swiatek, LMSWClinical Social Worker1841526530

Verify Grant Kurtis Gillish 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 2901020310
    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.

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47% more Medicare Part D claims than the average general practice dentistry in 2024

122 Medicare Part D claims for 89 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.

  1. Grant Gillish122
  2. Specialty average83

Most prescribed

  1. Amoxicillin78 claims
  2. Clindamycin Hcl14 claims
  3. Acetaminophen-Codeine12 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: $81.59

4 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grant Gillish$81.59
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Grant Kurtis Gillish among 4,088 general practice dentistry records in Michigan

Grant Kurtis Gillish, D.D.S. is one of 4,088 general practice dentistry records with a practice address in Michigan. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.

  • NPI issued2010 · 69% of these records are older, 29% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2010 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 general practice dentistry records list a practice address in Whitehall

They are 4 of the 88 NPPES records with a practice address in Whitehall, and 4,088 general practice dentistry records in Michigan.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Elias Achey, DMDWhitehall, MI 494611962658054
  2. Ryan Brunworth, DDSWhitehall, MI 494611699885269
  3. Karen Monroy, D.D.S.Whitehall, MI 494611134117443
  4. Jonathan Davenport, DDSZeeland, MI 494641710559950
  5. Jack Faber, D.D.S.Zeeland, MI 494641629140769
  6. Jeffrey Kelley, DDSZeeland, MI 494641730244732
  7. Michelle Kitzrow, DDSZeeland, MI 494641598964272
  8. Yoomi Lee, DDSZeeland, MI 494641851811194

Common questions

What is Grant Kurtis Gillish, D.D.S.'s NPI number?

Grant Kurtis Gillish, D.D.S.'s National Provider Identifier (NPI) is 1659681591, issued on Oct 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Grant Kurtis Gillish, D.D.S. located?

The NPPES record lists a practice address at 116 W Colby St, Whitehall, MI, 49461. Phone: (231) 893-2915. Providers update this record themselves, so call before visiting.

How can I verify Grant Kurtis Gillish, D.D.S.'s license?

NPPES lists Michigan license number 2901020310, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Grant Kurtis Gillish, D.D.S. prescribe under Medicare Part D?

In 2024, Grant Kurtis Gillish, D.D.S. had 122 Medicare Part D claims for 89 beneficiaries; the average among general practice dentistry prescribers was 83. 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.