Katherine Marie Ballenger
Social Worker · Waterloo, IA
Katherine Marie Ballenger is a social worker with a practice address in Waterloo, Iowa, and NPI 1891374971, issued on Apr 6, 2021. Check the license (Iowa 107984, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Marie Ballenger
- Primary taxonomy
- Social Worker 104100000X
- License number
- 107984 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1420 W Donald St, Waterloo, IA 50703
- Phone
- (319) 232-4673
- Enumerated
- Apr 6, 2021
- Record last updated
- Apr 18, 2022
- Medicare enrollment
- Enrolled (PECOS I20240605002380); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 1,157 in Iowa → Look up another NPI →
Also registered at 1420 W Donald St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melinda Anderson, MAMental Health Counselor1508439605
- Sarah Kiani, LMHCMental Health Counselor1528576238
- Kelsey Litterer, T-LMHCMental Health Counselor1154164168
- Bonita Streich-Hermanstorfer, LMHCMental Health Counselor1336622117
Verify Katherine Marie Ballenger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 107984Check 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
- Olive Branch Counseling Services PLLCCedar Falls, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Marie Ballenger among 1,157 social worker records in Iowa
Katherine Marie Ballenger is one of 1,157 social worker records with a practice address in Iowa. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 61% of them.
- NPI issued2021 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated2019 · median 2012 among the 207 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 social worker records list a practice address in Waterloo
They are 41 of the 1,512 NPPES records with a practice address in Waterloo, and 1,157 social worker records in Iowa.
All 1,157 in Iowa → Every provider in Waterloo → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Linda Bartollas, LISWWaterloo, IA 507031679672554
- Kristi Clements, LISWWaterloo, IA 507031629251574
- Adam Dodge, LMSWWaterloo, IA 507031295597409
- David Goodson, MSWWaterloo, IA 507031053601245
- Joan HoeftWaterloo, IA 507031093950412
- Fern KrugerWaterloo, IA 507031477875565
- Robert Lincoln, LMSWWaterloo, IA 507031497481626
- Margaret Miller, LISWWaterloo, IA 507031760581649
Common questions
What is Katherine Marie Ballenger's NPI number?
Katherine Marie Ballenger's National Provider Identifier (NPI) is 1891374971, issued on Apr 6, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Marie Ballenger located?
The NPPES record lists a practice address at 1420 W Donald St, Waterloo, IA, 50703. Phone: (319) 232-4673. Providers update this record themselves, so call before visiting.
How can I verify Katherine Marie Ballenger's license?
NPPES lists Iowa license number 107984, 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.