Roy Edgar Margenau, D.D.S.
Dentist · Dexter, MI
Roy Edgar Margenau, D.D.S. is a dentist with a practice address in Dexter, Michigan, and NPI 1245390772, issued on Dec 12, 2006. Check the license (Michigan 14869, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Roy Edgar Margenau
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 14869 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3411 Central St, Dexter, MI 48130
- Phone
- (734) 426-2692
- Enumerated
- Dec 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (734) 426-8727
- Entity
- Type 1 · individual
8 nearest dentist records → All 3,439 in Michigan → Look up another NPI →
Verify Roy Edgar Margenau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 14869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average dentist in 2024
22 Medicare Part D claims for 19 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin14 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.
Industry payments in 2024: $16.13
1 payment: food and beverage; the largest payer was Philips North America LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Roy Edgar Margenau among 3,439 dentist records in Michigan
Roy Edgar Margenau, D.D.S. 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 76% 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 updated2007 · 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).
3 dentist records list a practice address in Dexter
They are 3 of the 222 NPPES records with a practice address in Dexter, and 3,439 dentist records in Michigan.
All 3,439 in Michigan → Every provider in Dexter → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Dorothy Ruhlig, DDSDexter, MI 481301780932418
- Seema Sabbagh, DDSDexter, MI 481301922844372
- Helin Jacksi, DDSDundee, MI 481311154930105
- Mona BeydounDearborn, MI 481281134790793
- Michelle Elford, DDSDearborn, MI 481281053383521
- Hanine Farhat, DDSDearborn, MI 481281972427854
- Weaam Hazime, DDSDearborn, MI 481281952144164
- Walter Knysz, DDSDearborn, MI 481281003974155
Common questions
What is Roy Edgar Margenau, D.D.S.'s NPI number?
Roy Edgar Margenau, D.D.S.'s National Provider Identifier (NPI) is 1245390772, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roy Edgar Margenau, D.D.S. located?
The NPPES record lists a practice address at 3411 Central St, Dexter, MI, 48130. Phone: (734) 426-2692. Providers update this record themselves, so call before visiting.
How can I verify Roy Edgar Margenau, D.D.S.'s license?
NPPES lists Michigan license number 14869, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Roy Edgar Margenau, D.D.S. prescribe under Medicare Part D?
In 2024, Roy Edgar Margenau, D.D.S. had 22 Medicare Part D claims for 19 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.