Sara Jo O'Tool, R.D., L.D.
Registered Dietitian · Mason City, IA
Sara Jo O'Tool, R.D., L.D. is a registered dietitian with a practice address in Mason City, Iowa, and NPI 1699132449, issued on Jan 25, 2016. Check the license (Iowa 081166, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sara O'Tool
- Credential
- R.D., L.D.
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 081166 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2400 4TH St SW, Mason City, IA 50401
- Phone
- (641) 424-2605
- Enumerated
- Jan 25, 2016
- Record last updated
- May 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 2400 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Arthur, PHARMDPharmacist1174844377
- Megan Noonan-Conlon, RD, LDRegistered Dietitian1538506084
Verify Sara O'Tool in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 081166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
14 registered dietitian records list a practice address in Mason City
They are 14 of the 866 NPPES records with a practice address in Mason City, and 694 registered dietitian records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14 in Mason City → All 694 in Iowa → Every provider in Mason City →
Other registered dietitian records in Iowa
- Rebecca Aboe, RD, LMNT, LDCouncil Bluffs, IA1063787505
- Kathryn Adams, R.D.Ankeny, IA1205273430
- Michelle Aderhold, RDN, LDIowa City, IA1932831849
- Alicia Aguiar, M.S., R.D., L.D.Cedar Rapids, IA1316384043
- Emilia Aleksander, MS, RD, LDTiffin, IA1497353460
- Annette Aljets, MS, RDN, LDPomeroy, IA1255938213
- Kristen Allocco, RD, LDIowa City, IA1467649665
- Margaret Alstead, RDClinton, IA1336813864
- Melissa Althoff, RDNManchester, IA1487152955
- Brittany Amaya, RDN, LDWaterloo, IA1487191359
Common questions
What is Sara Jo O'Tool, R.D., L.D.'s NPI number?
Sara Jo O'Tool, R.D., L.D.'s National Provider Identifier (NPI) is 1699132449, issued on Jan 25, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Sara Jo O'Tool, R.D., L.D. located?
The NPPES record lists a practice address at 2400 4TH St SW, Mason City, IA, 50401. Phone: (641) 424-2605. Providers update this record themselves, so call before visiting.
How can I verify Sara Jo O'Tool, R.D., L.D.'s license?
NPPES lists Iowa license number 081166, as entered by the provider. Search the Iowa 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.