D Matthew Koehler, MD
Internal Medicine Physician · Delaware, OH
D Matthew Koehler, MD is an internal medicine physician with a practice address in Delaware, Ohio, and NPI 1316031594, issued on Oct 3, 2006. Check the license (Ohio 35067848, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- D Matthew Koehler
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35067848 OH
Self-reported in NPPES; status is on the state search - Practice location
- 454 W Central Ave, Delaware, OH 43015
- Phone
- (740) 369-1010
- Enumerated
- Oct 3, 2006
- Record last updated
- Jan 25, 2022
- Fax
- (740) 363-4486
- Medicaid ID
- 0239405 OH
- Medicare enrollment
- Enrolled (PECOS I20050107000495); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 454 W Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Duncan, MDFamily Medicine Physician1487150249
- Gerald French, MDInternal Medicine Physician1710075510
Verify D Matthew Koehler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35067848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,843 Medicare Part D claims for 455 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 76 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium581 claims
- Levothyroxine Sodium461 claims
- Atorvastatin Calcium415 claims
- Amlodipine Besylate275 claims
- Losartan Potassium262 claims
- Pantoprazole Sodium211 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
- Ohiohealth CorporationColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
D Matthew Koehler among 5,277 internal medicine physician records in Ohio
D Matthew Koehler, 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
- Graduated1992 · median 2006 among the 3,414 with a school on file
- Record last updated2022 · 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).
Internal Medicine Physician providers in Ohio
There are 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Delaware → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lavanya Amirneni, MDDelaware, OH 430151376856229
- Juliana Boateng, D.ODelaware, OH 430151306379029
- Gerald French, MDDelaware, OH 430151710075510
- Matthew Fuerst, M.D.Delaware, OH 430151104143528
- Thulasi Karakula, M.D.Delaware, OH 430151124077722
- Andrew Macdowell, M.D.Delaware, OH 430151306852173
- M. Atai, M.D.Dublin, OH 430161538111075
- Jeanne Caligiuri, MDDublin, OH 430161245217454
Common questions
What is D Matthew Koehler, MD's NPI number?
D Matthew Koehler, MD's National Provider Identifier (NPI) is 1316031594, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is D Matthew Koehler, MD located?
The NPPES record lists a practice address at 454 W Central Ave, Delaware, OH, 43015. Phone: (740) 369-1010. Providers update this record themselves, so call before visiting.
How can I verify D Matthew Koehler, MD's license?
NPPES lists Ohio license number 35067848, 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 D Matthew Koehler, MD prescribe under Medicare Part D?
In 2024, D Matthew Koehler, MD had 7,843 Medicare Part D claims for 455 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.