Ralph Carl Oppermann, D.D.S.
General Practice Dentistry · Grayling, MI
Ralph Carl Oppermann, D.D.S. is a general practice dentistry with a practice address in Grayling, Michigan, and NPI 1548238074, issued on Mar 10, 2006. Check the license (Michigan 2901017200, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ralph Carl Oppermann
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2901017200 MI
Self-reported in NPPES; status is on the state search - Practice location
- 234 E Michigan Ave, Grayling, MI 49738
- Phone
- (989) 344-2525
- Enumerated
- Mar 10, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (989) 348-9629
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,088 in Michigan → Look up another NPI →
Verify Ralph Carl Oppermann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901017200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average general practice dentistry in 2024
90 Medicare Part D claims for 77 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin66 claims
- Clindamycin Hcl15 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: $15.36
1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
Ralph Carl Oppermann among 4,088 general practice dentistry records in Michigan
Ralph Carl Oppermann, 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. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 63% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 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).
3 general practice dentistry records list a practice address in Grayling
They are 3 of the 233 NPPES records with a practice address in Grayling, and 4,088 general practice dentistry records in Michigan.
All 4,088 in Michigan → Every provider in Grayling → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Arthur Kerle, D.D.S.Grayling, MI 497381548383029
- Jennifer Malicowski, DDSGrayling, MI 497381356908206
- William Curtiss, DDSHarbor Springs, MI 497401508076399
- Paul Kaplan, DDSHarbor Springs, MI 497401588770994
- Harriet McGraw, D.D.S.Harbor Springs, MI 497401760474548
- Graham Pierce, D.D.S.Harbor Springs, MI 497401164482964
- Edward Duski, DDSGaylord, MI 497351033166426
- Kala Foster, DDSGaylord, MI 497351013353689
Common questions
What is Ralph Carl Oppermann, D.D.S.'s NPI number?
Ralph Carl Oppermann, D.D.S.'s National Provider Identifier (NPI) is 1548238074, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Carl Oppermann, D.D.S. located?
The NPPES record lists a practice address at 234 E Michigan Ave, Grayling, MI, 49738. Phone: (989) 344-2525. Providers update this record themselves, so call before visiting.
How can I verify Ralph Carl Oppermann, D.D.S.'s license?
NPPES lists Michigan license number 2901017200, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Ralph Carl Oppermann, D.D.S. prescribe under Medicare Part D?
In 2024, Ralph Carl Oppermann, D.D.S. had 90 Medicare Part D claims for 77 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.