Mary Witnauer, RD, LD
Registered Dietitian · Columbus, OH
Mary Witnauer, RD, LD is a registered dietitian with a practice address in Columbus, Ohio, and NPI 1851119457, issued on Oct 1, 2024. Check the license (Ohio LD.09390, as entered in NPPES) with the Ohio board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Witnauer
- Credential
- RD, LD
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- LD.09390 OH
Self-reported in NPPES; status is on the state search - Practice location
- 836 Thurber Dr W Apt 15, Columbus, OH 43215
- Phone
- (716) 698-7456
- Enumerated
- Oct 1, 2024
- Record last updated
- Oct 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20260521000958); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 2,581 in Ohio → Look up another NPI →
Verify Mary Witnauer 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.09390Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Witnauer among 2,581 registered dietitian records in Ohio
Mary Witnauer, RD, LD is one of 2,581 registered dietitian records with a practice address in Ohio. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 80% of them.
- NPI issued2024 · 80% of these records are older, 13% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated2020 · median 2014 among the 249 with a school on file
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Registered Dietitian providers in Ohio
There are 2,581 registered dietitian records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,581 in Ohio → Every provider in Columbus → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Larissa Brophy, M.S., R.D.N., L.D.Columbus, OH 432151891083218
- Laura Flynn, RD,LD,CDEColumbus, OH 432151225192644
- Roberta Hurley, R.D., L.D.Columbus, OH 432151306885678
- Catherine Johnston, RD, LDColumbus, OH 432151659558443
- Casey Lewandowski, MS, RDColumbus, OH 432151306590120
- Sarah McNamara, RD, LDColumbus, OH 432151912074436
- Tiana Montella, RDColumbus, OH 432151255094306
- Cynthia Munyan, RD LD CDEColumbus, OH 432151396823605
Common questions
What is Mary Witnauer, RD, LD's NPI number?
Mary Witnauer, RD, LD's National Provider Identifier (NPI) is 1851119457, issued on Oct 1, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mary Witnauer, RD, LD located?
The NPPES record lists a practice address at 836 Thurber Dr W Apt 15, Columbus, OH, 43215. Phone: (716) 698-7456. Providers update this record themselves, so call before visiting.
How can I verify Mary Witnauer, RD, LD's license?
NPPES lists Ohio license number LD.09390, 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. 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.