Darrin James Gremban, DDS
General Practice Dentistry · Eagle River, WI
Darrin James Gremban, DDS is a general practice dentistry with a practice address in Eagle River, Wisconsin, and NPI 1255462669, issued on Mar 8, 2007. Check the license (Wisconsin 4901, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Darrin James Gremban
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 4901 WI
Self-reported in NPPES; status is on the state search - Practice location
- 865 N Railroad St, Eagle River, WI 54521
- Phone
- (715) 479-6100
- Enumerated
- Mar 8, 2007
- Record last updated
- Jan 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (715) 477-2162
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,305 in Wisconsin → Look up another NPI →
Also registered at 865 N Railroad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Gremban, DDSGeneral Practice Dentistry1750412177
Verify Darrin James Gremban in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average general practice dentistry in 2024
152 Medicare Part D claims for 97 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
- Amoxicillin112 claims
- Clindamycin Hcl28 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.
Darrin James Gremban among 2,305 general practice dentistry records in Wisconsin
Darrin James Gremban, DDS is one of 2,305 general practice dentistry records with a practice address in Wisconsin. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 43% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 75% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 general practice dentistry records list a practice address in Eagle River
They are 9 of the 84 NPPES records with a practice address in Eagle River, and 2,305 general practice dentistry records in Wisconsin.
All 2,305 in Wisconsin → Every provider in Eagle River → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Scott Beattie, DDSEagle River, WI 545211972629848
- Bradley Camp, DDSEagle River, WI 545211669889689
- Gregory Gremban, DDSEagle River, WI 545211750412177
- Emma KochEagle River, WI 545211154252047
- James Lovas, D.D.S.Eagle River, WI 545211619035664
- Neal Potrykus, D.D.S.Eagle River, WI 545211508013319
- Jason Potrykus, D.D.S.Eagle River, WI 545211124254644
- John Rutkowski, DDSEagle River, WI 545211538183835
Common questions
What is Darrin James Gremban, DDS's NPI number?
Darrin James Gremban, DDS's National Provider Identifier (NPI) is 1255462669, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Darrin James Gremban, DDS located?
The NPPES record lists a practice address at 865 N Railroad St, Eagle River, WI, 54521. Phone: (715) 479-6100. Providers update this record themselves, so call before visiting.
How can I verify Darrin James Gremban, DDS's license?
NPPES lists Wisconsin license number 4901, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Darrin James Gremban, DDS prescribe under Medicare Part D?
In 2024, Darrin James Gremban, DDS had 152 Medicare Part D claims for 97 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.