Stephen C. Koesters, MD
Internal Medicine Physician · Columbus, OH
Stephen C. Koesters, MD is an internal medicine physician with a practice address in Columbus, Ohio, and NPI 1659350783, issued on Jan 17, 2006. Check the license (Ohio 35.077058, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Stephen C. Koesters
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.077058 OH
Self-reported in NPPES; status is on the state search - Practice location
- 895 Yard St, Columbus, OH 43212
- Phone
- (614) 293-5123
- Enumerated
- Jan 17, 2006
- Record last updated
- Mar 18, 2026
- Fax
- (614) 293-4890
- Medicare enrollment
- Enrolled (PECOS I20041014001039); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 895 Yard St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Sabatino, PHARMD, RPHPharmacotherapy Pharmacist1124452255
Verify Stephen C. Koesters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.077058Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,845 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium176 claims
- Lisinopril105 claims
- Levothyroxine Sodium65 claims
- Amlodipine Besylate55 claims
- Omeprazole53 claims
- Rosuvastatin Calcium51 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 one group practice
- Osu General Internal Medicine LLCGrandview Heights, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen C. Koesters among 5,277 internal medicine physician records in Ohio
Stephen C. Koesters, MD 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1998 · median 2006 among the 3,414 with a school on file
- Record last updated2026 · 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).
580 internal medicine physician records list a practice address in Columbus
They are 580 of the 36,491 NPPES records with a practice address in Columbus, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Columbus → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shawn Bailey, M.D.Columbus, OH 432121295788685
- Seuli Brill, MDGrandview Heights, OH 432121134349137
- Philip Chang, MDGrandview Heights, OH 432121184161192
- Maria Courser, M.D.Columbus, OH 432121275544611
- Matthew Flanigan, MDGrandview Heights, OH 432121811239650
- Pradita Manandhar, MDGrandview, OH 432121770783219
- Lily Savage, M.D.Columbus, OH 432121861646226
- Hannah Stone, MDGrandview, OH 432121740809979
Common questions
What is Stephen C. Koesters, MD's NPI number?
Stephen C. Koesters, MD's National Provider Identifier (NPI) is 1659350783, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen C. Koesters, MD located?
The NPPES record lists a practice address at 895 Yard St, Columbus, OH, 43212. Phone: (614) 293-5123. Providers update this record themselves, so call before visiting.
How can I verify Stephen C. Koesters, MD's license?
NPPES lists Ohio license number 35.077058, as entered by the provider. 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 Stephen C. Koesters, MD prescribe under Medicare Part D?
In 2024, Stephen C. Koesters, MD had 1,845 Medicare Part D claims for 181 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.