Kenneth Son, M.D.
Internal Medicine Physician · Marion, OH
Kenneth Son, M.D. is an internal medicine physician with a practice address in Marion, Ohio, and NPI 1831194992, issued on Jun 16, 2005. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Kenneth Son
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4301100071 MI
4901004799 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mckinley Park Dr, Marion, OH 43302
- Phone
- (740) 383-8473
- Enumerated
- Jun 16, 2005
- Record last updated
- Aug 13, 2025
- Fax
- (740) 383-8695
- Medicare enrollment
- Enrolled (PECOS I20230712003383); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 1000 Mckinley Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kenneth Son in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of OhioCheck 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 internal medicine physician in 2024
813 Medicare Part D claims for 330 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Prednisone63 claims
- Furosemide44 claims
- Cefuroxime39 claims
- Metoprolol Tartrate28 claims
- Potassium Chloride27 claims
- Losartan Potassium24 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.
Bills Medicare through 3 group practices
- Hisey Physician Services, LLCMiddletown, OH
- Mvhe IncMiddletown, OH
- Ohiohealth CorporationMarion, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth Son among 5,277 internal medicine physician records in Ohio
Kenneth Son, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2012 · median 2006 among the 3,414 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 internal medicine physician records list a practice address in Marion
They are 27 of the 1,225 NPPES records with a practice address in Marion, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Marion → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arthur Armstrong, M.D.Marion, OH 433021548234677
- Chander Arora, M.D.Marion, OH 433021316929094
- Vivek Awasty, MDMarion, OH 433021093718207
- Monica Carmona, MDMarion, OH 433021467491738
- Nagah Elarossi, M.D.Marion, OH 433021487600359
- Michael Hayes, M.D.Marion, OH 433021174587943
- Ghulam Idrees, MDMarion, OH 433021447218292
- Asha Prakash, MDMarion, OH 433021184678161
Common questions
What is Kenneth Son, M.D.'s NPI number?
Kenneth Son, M.D.'s National Provider Identifier (NPI) is 1831194992, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Son, M.D. located?
The NPPES record lists a practice address at 1000 Mckinley Park Dr, Marion, OH, 43302. Phone: (740) 383-8473. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Son, M.D.'s license?
Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kenneth Son, M.D. prescribe under Medicare Part D?
In 2024, Kenneth Son, M.D. had 813 Medicare Part D claims for 330 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.