Sean Michael Ostendorf
Mental Health Counselor · Waterloo, IA
Sean Michael Ostendorf is a mental health counselor with a practice address in Waterloo, Iowa, and NPI 1861072845, issued on Apr 13, 2021. Check the license with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sean Michael Ostendorf
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- Practice location
- 3261 University Ave, Waterloo, IA 50701
- Phone
- (800) 531-4236
- Enumerated
- Apr 13, 2021
- Record last updated
- Feb 15, 2023
- Fax
- (319) 483-6661
- Medicare enrollment
- Enrolled (PECOS I20240610000842); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3261 University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samarah Greeves, LISWMental Health Counselor1316462682
- Alexis Lachino, LISWMental Health Counselor1194467803
- Niki Mercado, LMSWSocial Worker1396444378
- Cathy Rottinghaus, LMSWCounselor1336725092
- Brandi Schmitt, MS, NCC, TLMHCMental Health Counselor1205315595
Verify Sean Michael Ostendorf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck 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
- Heart And SolutionsWaterloo, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
72 mental health counselor records list a practice address in Waterloo
They are 72 of the 1,512 NPPES records with a practice address in Waterloo, and 2,567 mental health counselor records in Iowa.
All 72 in Waterloo → All 2,567 in Iowa → Every provider in Waterloo →
Other mental health counselor records in Iowa
- Blair A'Hearn, M.DIV., M.A., LMHCCedar Rapids, IA1669721825
- Emma AanestadCoralville, IA1356260327
- Lindsey AaronDes Moines, IA1548493430
- Maya Abdul HafizCedar Rapids, IA1740649904
- Scott Aber, LPC, CAC III, LMHCBettendorf, IA1043448699
- Katie Abold, LMHCClarinda, IA1982953360
- Sean AbramowitzDes Moines, IA1801662556
- Amanda AckermanDes Moines, IA1104134931
- Courtney AckersonDes Moines, IA1730588740
- Stacie AcoxCouncil Bluffs, IA1639649882
Common questions
What is Sean Michael Ostendorf's NPI number?
Sean Michael Ostendorf's National Provider Identifier (NPI) is 1861072845, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sean Michael Ostendorf located?
The NPPES record lists a practice address at 3261 University Ave, Waterloo, IA, 50701. Phone: (800) 531-4236. Providers update this record themselves, so call before visiting.
How can I verify Sean Michael Ostendorf's license?
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.