NPPES file of Aug 9, 2026

Mark Oldakowski, D.D.S.

Dentist · East Lansing, MI

Mark Oldakowski, D.D.S. is a dentist with a practice address in East Lansing, Michigan, and NPI 1598059958, issued on Jun 2, 2011. Check the license (Michigan 2901020377, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598059958
Name
Mark Oldakowski
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
2901020377 MI
Self-reported in NPPES; status is on the state search
Practice location
714 Abbot RD, East Lansing, MI 48823
Phone
(517) 337-0351
Enumerated
Jun 2, 2011
Record last updated
Sep 12, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest dentist records → All 3,439 in Michigan → Look up another NPI →

Also registered at 714 Abbot RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Claire Fedore, DDSDentist1669819462
  2. Craig Fedore, D.D.S.Dentist1801083860
  3. Jaie Oak, D.D.S.Dentist1558700799

Verify Mark Oldakowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 2901020377    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

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2.8 times the Medicare Part D claims of the average dentist in 2024

237 Medicare Part D claims for 138 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. 20 claims were for opioids.

  1. Mark Oldakowski237
  2. Specialty average86

Most prescribed

  1. Amoxicillin98 claims
  2. Azithromycin38 claims
  3. Ibuprofen29 claims
  4. Clindamycin Hcl15 claims
  5. Hydrocodone-Acetaminophen15 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.

Mark Oldakowski among 3,439 dentist records in Michigan

Mark Oldakowski, 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 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 updated2012 · 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).

Dentist providers in Michigan

There are 3,439 dentist records in Michigan.

All 3,439 in Michigan → Every provider in East Lansing → Dentist nationwide →

The 8 dentist records with the nearest ZIP codes

  1. Craig Fedore, D.D.S.East Lansing, MI 488231801083860
  2. Claire Fedore, DDSEast Lansing, MI 488231669819462
  3. George Gazos, D.D.S.East Lansing, MI 488231528445665
  4. Benjamin Jamo, D.D.S.East Lansing, MI 488231699187203
  5. Jason Mashni, DDSEast Lansing, MI 488231548601107
  6. George Noel, M.D.East Lansing, MI 488231598879199
  7. Jaie Oak, D.D.S.East Lansing, MI 488231558700799
  8. Van-Anh Peters, DDSEast Lansing, MI 488231942421953

Common questions

What is Mark Oldakowski, D.D.S.'s NPI number?

Mark Oldakowski, D.D.S.'s National Provider Identifier (NPI) is 1598059958, issued on Jun 2, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mark Oldakowski, D.D.S. located?

The NPPES record lists a practice address at 714 Abbot RD, East Lansing, MI, 48823. Phone: (517) 337-0351. Providers update this record themselves, so call before visiting.

How can I verify Mark Oldakowski, D.D.S.'s license?

NPPES lists Michigan license number 2901020377, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Oldakowski, D.D.S. prescribe under Medicare Part D?

In 2024, Mark Oldakowski, D.D.S. had 237 Medicare Part D claims for 138 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.