Grant Gillish, D.D.S.
General Practice Dentistry · Whitehall, MI
Grant 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 with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grant Gillish
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- Practice location
- 116 W Colby St, Whitehall, MI 49461
- Phone
- (231) 893-2915
- Enumerated
- Oct 13, 2010
- Entity
- Type 1 · individual
Also registered at 116 W Colby St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elias Achey, DMDGeneral Practice Dentistry1962658054
- Kathy Craymer, LLPCMental Health Counselor1144458613
- Ronald Lehman, DDSDentist1710013040
- Melissa Reid, LMSW, ACSWClinical Social Worker1598854887
- Robert Swiatek, LMSWClinical Social Worker1841526530
Verify Grant Gillish in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
45% 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 84 among the 68,591 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.
Most prescribed
- Amoxicillin78 claims
- Clindamycin Hcl14 claims
- 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, mostly food and beverage; the largest payer was Dentsply Sirona Inc. The 40,968 providers of this specialty with any payment received $593.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 general practice dentistry records list a Whitehall practice address
They are 3 of the 88 NPPES records with a Whitehall practice address, and 4,075 general practice dentistry records in Michigan.
All 3 in Whitehall → All 4,075 in Michigan → Every provider in Whitehall →
Other general practice dentistry records in Michigan
- Anthony Abate, DDSSterling Heights, MI1649484593
- Antonino Abate, DDSRoyal Oak, MI1982781878
- Kathleen Abate, D.D.S.Clinton Township, MI1184838153
- Natalie Abbas, DDSDearborn, MI1073181897
- Zeinab Abbas, DDSDearborn Heights, MI1063903375
- Joseph Abbate, D.D.S., P.C.Detroit, MI1043433105
- Taylor Abbott, DMDOxford, MI1053921734
- Hassan Abboud, DMDYpsilanti, MI1710834841
- Julius Abbu, DMDSouthfield, MI1285287094
- Amelia Abdal, DDSFarmington Hills, MI1114610052
Common questions
What is Grant Gillish, D.D.S.'s NPI number?
Grant 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 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 Gillish, D.D.S.'s license?
Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Grant Gillish, D.D.S. prescribe under Medicare Part D?
In 2024, Grant Gillish, D.D.S. had 122 Medicare Part D claims for 89 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
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.