Registry data as of Aug 27, 2026

John Sondag, L.M.H.C.

Mental Health Counselor · Denison, IA

John Sondag, L.M.H.C. is a mental health counselor with a practice address in Denison, Iowa, and NPI 1912125360, issued on Apr 23, 2007. Check the license (Iowa 00799, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1912125360
Name
John Sondag
Credential
L.M.H.C.
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
00799 IA
Self-reported in NPPES; status is on the state search
Practice location
20 N 14TH St, Denison, IA 51442
Phone
(712) 263-3172
Enumerated
Apr 23, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 20 N 14TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carolyn Boose, L.M.S.W.Clinical Social Worker1245663046
  2. Deborah Haase, L.I.S.W.Clinical Social Worker1831315183
  3. Amy Hull, L.I.S.W.Clinical Social Worker1043436264
  4. Sarah LundellCase Manager/Care Coordinator1821214057

Verify John Sondag in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 00799
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2 hospital and facility affiliations

  1. Abbe Center For Community Mental Health IncVinton, IA
  2. Abbe Management CorpHiawatha, IA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

3 mental health counselor records list a Denison practice address

They are 3 of the 76 NPPES records with a Denison practice address, and 2,463 mental health counselor records in Iowa.

Other mental health counselor records in Iowa

  1. Blair A'Hearn, M.DIV., M.A., LMHCCedar Rapids, IA1669721825
  2. Emma AanestadCoralville, IA1356260327
  3. Lindsey AaronDes Moines, IA1548493430
  4. Maya Abdul HafizCedar Rapids, IA1740649904
  5. Katie Abold, LMHCClarinda, IA1982953360
  6. Sean AbramowitzDes Moines, IA1801662556
  7. Amanda AckermanDes Moines, IA1104134931
  8. Courtney AckersonDes Moines, IA1730588740
  9. Alyssa ActonDavenport, IA1922746965
  10. Tracy AdamCedar Rapids, IA1154962991

Common questions

What is John Sondag, L.M.H.C.'s NPI number?

John Sondag, L.M.H.C.'s National Provider Identifier (NPI) is 1912125360, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Sondag, L.M.H.C. located?

The NPPES record lists a practice address at 20 N 14TH St, Denison, IA, 51442. Phone: (712) 263-3172. Providers update this record themselves, so call before visiting.

How can I verify John Sondag, L.M.H.C.'s license?

NPPES lists Iowa license number 00799, 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.