Catherine Ann Sims, FNP-BC
Family Nurse Practitioner · Ottumwa, IA
Catherine Ann Sims, FNP-BC is a family nurse practitioner with a practice address in Ottumwa, Iowa, and NPI 1205783966, issued on Mar 12, 2026. Check the license (Iowa A189956, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Ann Sims
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A189956 IA
Self-reported in NPPES; status is on the state search - Practice location
- 301 W Main St, Ottumwa, IA 52501
- Phone
- (641) 682-0098
- Enumerated
- Mar 12, 2026
- Record last updated
- Mar 12, 2026
- Fax
- (855) 691-4101
- Medicare enrollment
- Enrolled (PECOS I20260422000343); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,971 in Iowa → Look up another NPI →
Also registered at 301 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ruth Patritto, DDSDentist1841280484
- Cynthia Wurr, ARNPNurse Practitioner1588732267
Verify Catherine Ann Sims in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A189956Check 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
- Foot And Ankle Clinics OF Southern Iowa PCOttumwa, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Ann Sims among 1,971 family nurse practitioner records in Iowa
Catherine Ann Sims, FNP-BC is one of 1,971 family nurse practitioner records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2026, is newer than 97% of them.
- NPI issued2026 · 97% of these records are older, 0% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2025 · median 2018 among the 1,398 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 family nurse practitioner records list a practice address in Ottumwa
They are 40 of the 405 NPPES records with a practice address in Ottumwa, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Ottumwa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kimberly Brown, ARNPOttumwa, IA 525011013286020
- David Burrows, ARNPOttumwa, IA 525011407156458
- Dee Dorsett, ARNP, NP-COttumwa, IA 525011013344092
- Shelly Edwards, ARNPOttumwa, IA 525011245671122
- Mary Henderson, NP-COttumwa, IA 525011891079257
- Molly Layton, ARNPOttumwa, IA 525011760815070
- Juanita O'Brien, ARNPOttumwa, IA 525011215080759
- Susan Reynolds, ARNPOttumwa, IA 525011801889498
Common questions
What is Catherine Ann Sims, FNP-BC's NPI number?
Catherine Ann Sims, FNP-BC's National Provider Identifier (NPI) is 1205783966, issued on Mar 12, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Ann Sims, FNP-BC located?
The NPPES record lists a practice address at 301 W Main St, Ottumwa, IA, 52501. Phone: (641) 682-0098. Providers update this record themselves, so call before visiting.
How can I verify Catherine Ann Sims, FNP-BC's license?
NPPES lists Iowa license number A189956, 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. 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.