Madelyn Carnahan, MS, RDN, LD
Registered Dietitian · Defiance, OH
Madelyn Carnahan, MS, RDN, LD is a registered dietitian with a practice address in Defiance, Ohio, and NPI 1124873542, issued on Apr 19, 2024. Check the license (Ohio LD.10548, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Madelyn Carnahan
- Credential
- MS, RDN, LD
- Primary taxonomy
- Registered Dietitian 133V00000X
- License numbers
- LD.10548 OH
37003994A IN
Self-reported in NPPES; status is on the state search - Practice location
- 724 Inverness Dr, Defiance, OH 43512
- Phone
- (419) 980-9813
- Enumerated
- Apr 19, 2024
- Record last updated
- Jun 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20240508002574); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Madelyn Carnahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license LD.10548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Healthy Hearts Nutrition LLCYellow Springs, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Registered Dietitian providers in Ohio
There are 2,581 registered dietitian records in Ohio.
Other registered dietitian records in Ohio
- Kimberly Abbas, RDN, LDToledo, OH1285055277
- Rita Abboud, MS, RDN, LDWooster, OH1528505831
- Mini AbrahamAkron, OH1902377575
- Mindy Abramson, MS, RD, LDToledo, OH1255418257
- Ghada Abu-Shaweesh, RDNOlmsted Falls, OH1730971623
- Madyson Acierno, MPH, RD, LDCleveland, OH1841138930
- Jenna Adams, RDN, LDNHudson, OH1245706860
- Sara AdamsColumbus, OH1740131135
- Ashley Addessi-Durnell, R.D., L.D.Dover, OH1780940833
- Maria AdkinsMiddletown, OH1174082341
Common questions
What is Madelyn Carnahan, MS, RDN, LD's NPI number?
Madelyn Carnahan, MS, RDN, LD's National Provider Identifier (NPI) is 1124873542, issued on Apr 19, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Madelyn Carnahan, MS, RDN, LD located?
The NPPES record lists a practice address at 724 Inverness Dr, Defiance, OH, 43512. Phone: (419) 980-9813. Providers update this record themselves, so call before visiting.
How can I verify Madelyn Carnahan, MS, RDN, LD's license?
NPPES lists Ohio license number LD.10548, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity 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.