Ellen Elizabeth O'Niel, DDS
Dentist · Troy, MI
Ellen Elizabeth O'Niel, DDS is a dentist with a practice address in Troy, Michigan, and NPI 1801180336, issued on Jun 1, 2011. Check the license (Michigan 2901020441, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ellen Elizabeth O'Niel
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 2901020441 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1579 W Big Beaver RD Ste B6, Troy, MI 48084
- Phone
- (248) 649-2868
- Enumerated
- Jun 1, 2011
- Record last updated
- Nov 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (248) 649-2110
- Entity
- Type 1 · individual
8 nearest dentist records → All 3,439 in Michigan → Look up another NPI →
Verify Ellen Elizabeth O'Niel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901020441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average dentist in 2024
86 Medicare Part D claims for 55 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
- Amoxicillin28 claims
- Triamcinolone Acetonide17 claims
- Chlorhexidine Gluconate11 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.
Ellen Elizabeth O'Niel among 3,439 dentist records in Michigan
Ellen Elizabeth O'Niel, DDS is one of 3,439 dentist records with a practice address in Michigan. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 51% of them.
- NPI issued2011 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 dentist records list a practice address in Troy
They are 65 of the 3,809 NPPES records with a practice address in Troy, and 3,439 dentist records in Michigan.
All 3,439 in Michigan → Every provider in Troy → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Ghali Ballani, DDSTroy, MI 480841053151944
- Shikha Bhatnagar, D.M.DTroy, MI 480841184804676
- Theodore Degenhardt, DDSTroy, MI 480841508889924
- Stephen Degenhardt, DDSTroy, MI 480841285120071
- Erik Ligas, DDSTroy, MI 480841700197704
- Tingxi Liu, DDSTroy, MI 480841598383267
- Michael SzewczykTroy, MI 480841275746729
- Michelle Szewczyk, DDSTroy, MI 480841386298461
Common questions
What is Ellen Elizabeth O'Niel, DDS's NPI number?
Ellen Elizabeth O'Niel, DDS's National Provider Identifier (NPI) is 1801180336, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Elizabeth O'Niel, DDS located?
The NPPES record lists a practice address at 1579 W Big Beaver RD Ste B6, Troy, MI, 48084. Phone: (248) 649-2868. Providers update this record themselves, so call before visiting.
How can I verify Ellen Elizabeth O'Niel, DDS's license?
NPPES lists Michigan license number 2901020441, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Ellen Elizabeth O'Niel, DDS prescribe under Medicare Part D?
In 2024, Ellen Elizabeth O'Niel, DDS had 86 Medicare Part D claims for 55 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.