David Michael Posthumus, DDS
General Practice Dentistry · Grand Rapids, MI
David Michael Posthumus, DDS is a general practice dentistry with a practice address in Grand Rapids, Michigan, and NPI 1467803080, issued on Jun 24, 2016. Check the license (Michigan 2901021973, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Michael Posthumus
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2901021973 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2300 3 Mile RD NE, Grand Rapids, MI 49505
- Phone
- (616) 363-3712
- Enumerated
- Jun 24, 2016
- Record last updated
- Jun 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,088 in Michigan → Look up another NPI →
Also registered at 2300 3 Mile RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Posthumus, DDSDentist1174726533
Verify David Michael Posthumus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901021973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average general practice dentistry in 2024
94 Medicare Part D claims for 49 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.
Most prescribed
- Amoxicillin52 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.
David Michael Posthumus among 4,088 general practice dentistry records in Michigan
David Michael Posthumus, DDS 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 2016, is newer than 78% of them.
- NPI issued2016 · 78% of these records are older, 21% 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 updated2016 · 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).
General Practice Dentistry providers in Michigan
There are 4,088 general practice dentistry records in Michigan.
All 4,088 in Michigan → Every provider in Grand Rapids → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Sharon Burocchi, DDS PLCGrand Rapids, MI 495051457306490
- Esther Jimenez, D.D.SGrand Rapids, MI 495051669585303
- Michael Miller, D.D.SGrand Rapids, MI 495051285776302
- Jon O'Brien, DDSGrand Rapids, MI 495051922121920
- Daniel O'Brien, D.D.S.Grand Rapids, MI 495051992143093
- Bessie Afendoulis, D.D.S.Grand Rapids, MI 495061457465643
- Leonard Bartoszewicz, D.D.S.Grand Rapids, MI 495061164577466
- Hany Boulos, DDSGrand Rapids, MI 495041518927714
Common questions
What is David Michael Posthumus, DDS's NPI number?
David Michael Posthumus, DDS's National Provider Identifier (NPI) is 1467803080, issued on Jun 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is David Michael Posthumus, DDS located?
The NPPES record lists a practice address at 2300 3 Mile RD NE, Grand Rapids, MI, 49505. Phone: (616) 363-3712. Providers update this record themselves, so call before visiting.
How can I verify David Michael Posthumus, DDS's license?
NPPES lists Michigan license number 2901021973, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does David Michael Posthumus, DDS prescribe under Medicare Part D?
In 2024, David Michael Posthumus, DDS had 94 Medicare Part D claims for 49 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.