George Leonard Grein, D.D.S.
General Practice Dentistry · East Lansing, MI
George Leonard Grein, D.D.S. is a general practice dentistry with a practice address in East Lansing, Michigan, and NPI 1811040579, issued on Jan 18, 2007. Check the license (Michigan 2901008990, 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.
- Name
- George Leonard Grein
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2901008990 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Abbott RD Ste 120, East Lansing, MI 48823
- Phone
- (517) 351-9540
- Enumerated
- Jan 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (517) 351-1645
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,088 in Michigan → Look up another NPI →
Verify George Leonard Grein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901008990Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
George Leonard Grein among 4,088 general practice dentistry records in Michigan
George Leonard Grein, 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 not. Its NPI, issued in 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 36% newer
- In a Medicare fileNo · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,088 in Michigan → Every provider in East Lansing → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Steven Atkinson, D.D.S.East Lansing, MI 488231093813693
- Sherill Behnke, DDSEast Lansing, MI 488231003974619
- Daniel DerksenEast Lansing, MI 488231275735029
- Scott Dickinson, DDSEast Lansing, MI 488231811003429
- Christine Engstrom, D.D.S.East Lansing, MI 488231750455515
- Thomas Faiver, D.D.S.East Lansing, MI 488231750330205
- David French, DDSEast Lansing, MI 488231497859672
- Paul Hanysz, D.D.S.East Lansing, MI 488231841270287
Common questions
What is George Leonard Grein, D.D.S.'s NPI number?
George Leonard Grein, D.D.S.'s National Provider Identifier (NPI) is 1811040579, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is George Leonard Grein, D.D.S. located?
The NPPES record lists a practice address at 1500 Abbott RD Ste 120, East Lansing, MI, 48823. Phone: (517) 351-9540. Providers update this record themselves, so call before visiting.
How can I verify George Leonard Grein, D.D.S.'s license?
NPPES lists Michigan license number 2901008990, 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), 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.
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.