John Francis Okonowski, DDS
General Practice Dentistry · Chesterfield, MI
John Francis Okonowski, DDS is a general practice dentistry with a practice address in Chesterfield, Michigan, and NPI 1154681211, issued on May 23, 2012. Check the license (Michigan 2901020676, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Francis Okonowski
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2901020676 MI
Self-reported in NPPES; status is on the state search - Practice location
- 31950 23 Mile RD, Chesterfield, MI 48047
- Phone
- (586) 725-6662
- Enumerated
- May 23, 2012
- Record last updated
- May 22, 2024
- Fax
- (586) 725-6682
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,088 in Michigan → Look up another NPI →
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Verify John Francis Okonowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 2901020676Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average general practice dentistry in 2024
103 Medicare Part D claims for 67 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin68 claims
- Clindamycin Hcl12 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.
John Francis Okonowski among 4,088 general practice dentistry records in Michigan
John Francis Okonowski, DDS 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 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 26% 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 updated2024 · 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).
14 general practice dentistry records list a practice address in Chesterfield
They are 14 of the 1,617 NPPES records with a practice address in Chesterfield, and 4,088 general practice dentistry records in Michigan.
All 4,088 in Michigan → Every provider in Chesterfield → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Kasim Ali, DDSChesterfield, MI 480471780773366
- Peter Carlin, DDSChesterfield, MI 480471225102353
- Dana Freeman, D.D.S.New Baltimore, MI 480471558574483
- Gary Glesser, D.D.S.New Baltimore, MI 480471407979859
- Randall Goode, D.D.S.Chesterfield, MI 480471063434389
- Dipinjit Grewal, DDSChesterfield, MI 480471144370438
- Andrew Krause, D.D.S.New Baltimore, MI 480471578651766
- Samar Mokhayesh, DDSChesterfield, MI 480471972653244
Common questions
What is John Francis Okonowski, DDS's NPI number?
John Francis Okonowski, DDS's National Provider Identifier (NPI) is 1154681211, issued on May 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Francis Okonowski, DDS located?
The NPPES record lists a practice address at 31950 23 Mile RD, Chesterfield, MI, 48047. Phone: (586) 725-6662. Providers update this record themselves, so call before visiting.
How can I verify John Francis Okonowski, DDS's license?
NPPES lists Michigan license number 2901020676, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does John Francis Okonowski, DDS prescribe under Medicare Part D?
In 2024, John Francis Okonowski, DDS had 103 Medicare Part D claims for 67 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.