Michael Leon Umberger, DDS
Dentist · Eugene, OR
Michael Leon Umberger, DDS is a dentist with a practice address in Eugene, Oregon, and NPI 1215150115, issued on Apr 10, 2007. Check the license (Oregon D8244, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Leon Umberger
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- D8244 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4765 Village Plaza Loop, Eugene, OR 97401
- Phone
- (541) 681-9999
- Enumerated
- Apr 10, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (541) 683-8299
- Entity
- Type 1 · individual
Also registered at 4765 Village Plaza Loop
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Landis, ODOptometrist1689893679
- Carol Marusich, O.D.Vision Therapy Optometrist1679629232
- Gregory Richterich, MDDermatology Physician1316911274
- Benjamin Vazquez, MDDermatology Physician1093918658
- Amanda Weinman, PAPhysician Assistant1063511087
- Cassandra Wren, PAPhysician Assistant1003241084
Verify Michael Leon Umberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D8244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average dentist in 2024
25 Medicare Part D claims for 17 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin19 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.
Dentist providers in Oregon
There are 1,246 dentist records in Oregon.
Other dentist records in Oregon
- Tamara Abbett, D.D.S.Medford, OR1972504710
- Kyoko Abe, D.M.DPortland, OR1629142641
- Daniel Adair, D.D.S.Salem, OR1609287143
- Christopher Adams, D.D.S.Roseburg, OR1487886321
- Kathleene Adams, DMDPortland, OR1063582252
- Ranier Adarve, DMDPortland, OR1982789848
- Priyadarshini AgrawalNorth Bend, OR1912354689
- Azma Ahmed, DDSPortland, OR1417341983
- Lee Albrecht, DMDSalem, OR1639338130
- Roman Alexandroff, D.M.D.Warrenton, OR1811188824
Common questions
What is Michael Leon Umberger, DDS's NPI number?
Michael Leon Umberger, DDS's National Provider Identifier (NPI) is 1215150115, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Leon Umberger, DDS located?
The NPPES record lists a practice address at 4765 Village Plaza Loop, Eugene, OR, 97401. Phone: (541) 681-9999. Providers update this record themselves, so call before visiting.
How can I verify Michael Leon Umberger, DDS's license?
NPPES lists Oregon license number D8244, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Leon Umberger, DDS prescribe under Medicare Part D?
In 2024, Michael Leon Umberger, DDS had 25 Medicare Part D claims for 17 beneficiaries; the average among dentist prescribers was 86. 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.