Stavros R. Karatsoridis, D.O.
Internal Medicine Physician · Defiance, OH
Stavros R. Karatsoridis, D.O. is an internal medicine physician with a practice address in Defiance, Ohio, and NPI 1588645394, issued on Nov 9, 2005. Check the license (Ohio 34008351, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Stavros R. Karatsoridis
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34008351 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E 2ND St, Defiance, OH 43512
- Phone
- (419) 784-1414
- Enumerated
- Nov 9, 2005
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (419) 783-3014
- Medicaid ID
- L2564327 OH
- Medicare enrollment
- Enrolled (PECOS I20050502000028); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2001
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 1400 E 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Souheil Al-JaddaSurgery Physician1174564090
- Ehab Ali, M.D.Internal Medicine Physician1346680907
- Christine Alt, SPSpeech-Language Pathologist1952530545
- Kholoud Amrou, CNPVascular Surgery Physician1831724897
- Megan Ashbacher, CNPFamily Nurse Practitioner1124544614
- James Atwell, MSN-CRNACertified Registered Nurse Anesthetist1750536397
Verify Stavros R. Karatsoridis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34008351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.2 times the Medicare Part D claims of the average internal medicine physician in 2024
26,182 Medicare Part D claims for 789 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 609 claims were for opioids.
Most prescribed
- Levothyroxine Sodium1,078 claims
- Atorvastatin Calcium1,046 claims
- Omeprazole900 claims
- Metoprolol Tartrate532 claims
- Lisinopril526 claims
- Furosemide510 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.
Industry payments in 2024: $103.13
5 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Medical Partners Northern Region LLCDefiance, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stavros R. Karatsoridis among 5,277 internal medicine physician records in Ohio
Stavros R. Karatsoridis, D.O. 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
- Graduated2001 · median 2006 among the 3,414 with a school on file
- Record last updated2010 · 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 Defiance → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ehab Ali, M.D.Defiance, OH 435121346680907
- Amer Arshad, MDDefiance, OH 435121710970652
- Paul Brose, M.D.Defiance, OH 435121902887870
- Samer Obri, MDDefiance, OH 435121700879657
- J Reeves, M.D.Defiance, OH 435121336120856
- Salvatore Veltri, M.D.Defiance, OH 435121518949494
- Steven Bumb, M.DBryan, OH 435061972611333
- Lamberto Diaz, MDBryan, OH 435061003845421
Common questions
What is Stavros R. Karatsoridis, D.O.'s NPI number?
Stavros R. Karatsoridis, D.O.'s National Provider Identifier (NPI) is 1588645394, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stavros R. Karatsoridis, D.O. located?
The NPPES record lists a practice address at 1400 E 2ND St, Defiance, OH, 43512. Phone: (419) 784-1414. Providers update this record themselves, so call before visiting.
How can I verify Stavros R. Karatsoridis, D.O.'s license?
NPPES lists Ohio license number 34008351, 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 Stavros R. Karatsoridis, D.O. prescribe under Medicare Part D?
In 2024, Stavros R. Karatsoridis, D.O. had 26,182 Medicare Part D claims for 789 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.