Dorathy Dominic Okon, MD
Family Medicine Physician · Springfield, IL
Dorathy Dominic Okon, MD is a family medicine physician with a practice address in Springfield, Illinois, and NPI 1730750894, issued on Jul 8, 2021. Check the license (Illinois 125078300, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Dorathy Dominic Okon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 125078300 IL
Self-reported in NPPES; status is on the state search - Practice location
- 520 N 4TH St, Springfield, IL 62702
- Phone
- (217) 545-8000
- Enumerated
- Jul 8, 2021
- Record last updated
- Jul 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (217) 757-8161
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 520 N 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dorathy Dominic Okon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125078300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family medicine physician in 2024
877 Medicare Part D claims for 76 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium63 claims
- Metformin Hcl50 claims
- Duloxetine Hcl38 claims
- Lisinopril32 claims
- Albuterol Sulfate Hfa27 claims
- Amlodipine Besylate25 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.
Dorathy Dominic Okon among 6,215 family medicine physician records in Illinois
Dorathy Dominic Okon, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
151 family medicine physician records list a practice address in Springfield
They are 151 of the 4,997 NPPES records with a practice address in Springfield, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Springfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Janet Albers, M.D.Springfield, IL 627021023006913
- Tracy Aldridge, M.D.Springfield, IL 627021154310027
- Amber Barnhart, M.D.Springfield, IL 627021215926183
- Careyana Brenham, M.D.Springfield, IL 627021568451946
- Robert Ewart, M.D.Springfield, IL 627021790774172
- Christopher Gleason, M.D.Springfield, IL 627021649269887
- Mary Hoffman, MDSpringfield, IL 627021316984057
- John Kreckman, M.D.Springfield, IL 627021124126909
Common questions
What is Dorathy Dominic Okon, MD's NPI number?
Dorathy Dominic Okon, MD's National Provider Identifier (NPI) is 1730750894, issued on Jul 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Dorathy Dominic Okon, MD located?
The NPPES record lists a practice address at 520 N 4TH St, Springfield, IL, 62702. Phone: (217) 545-8000. Providers update this record themselves, so call before visiting.
How can I verify Dorathy Dominic Okon, MD's license?
NPPES lists Illinois license number 125078300, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dorathy Dominic Okon, MD prescribe under Medicare Part D?
In 2024, Dorathy Dominic Okon, MD had 877 Medicare Part D claims for 76 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.