Katherine Floess, MD
Internal Medicine Physician · Dayton, OH
Katherine Floess, MD is an internal medicine physician with a practice address in Dayton, Ohio, and NPI 1538855085, issued on Apr 17, 2023. Check the license (Ohio 35.156104, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Katherine Floess
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.156104 OH
Self-reported in NPPES; status is on the state search - Practice location
- 721 Miami Chapel RD, Dayton, OH 45417
- Phone
- (937) 281-6800
- Enumerated
- Apr 17, 2023
- Record last updated
- Aug 3, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 721 Miami Chapel RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nichole Broekhuis, RN, BSN, CRNPPediatric Nurse Practitioner1649851734
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Verify Katherine Floess in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.156104Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
301 Medicare Part D claims for 42 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium27 claims
- Amlodipine Besylate19 claims
- Lisinopril17 claims
- Furosemide14 claims
- Metoprolol Succinate13 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.
Katherine Floess among 5,277 internal medicine physician records in Ohio
Katherine Floess, 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 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- 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).
225 internal medicine physician records list a practice address in Dayton
They are 225 of the 12,431 NPPES records with a practice address in Dayton, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Dayton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mamle Anim, MDDayton, OH 454171790741536
- Joseph Geskey, DODayton, OH 454171497705941
- Richard Surowiec, M.D.Dayton, OH 454171609090315
- Valerie Weber, M.D.Dayton, OH 454171730130139
- Jinyun Wu, M.D.Dayton, OH 454171447245238
- Gina Atchison, P.A.Oakwood, OH 454191487629440
- Mark Boettler, M.D.Dayton, OH 454151124052212
- Abdul Butman, MDEnglewood, OH 454151912953472
Common questions
What is Katherine Floess, MD's NPI number?
Katherine Floess, MD's National Provider Identifier (NPI) is 1538855085, issued on Apr 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Floess, MD located?
The NPPES record lists a practice address at 721 Miami Chapel RD, Dayton, OH, 45417. Phone: (937) 281-6800. Providers update this record themselves, so call before visiting.
How can I verify Katherine Floess, MD's license?
NPPES lists Ohio license number 35.156104, 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 Katherine Floess, MD prescribe under Medicare Part D?
In 2024, Katherine Floess, MD had 301 Medicare Part D claims for 42 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.