NPPES file of Aug 9, 2026

Heather Mae Klemm, LCSW

Clinical Social Worker · Oconomowoc, WI

Heather Mae Klemm, LCSW is a clinical social worker with a practice address in Oconomowoc, Wisconsin, and NPI 1770055170, issued on Dec 23, 2018. Check the license (Wisconsin 8515-123, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770055170
Name
Heather Mae Klemm
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
8515-123 WI
Self-reported in NPPES; status is on the state search
Practice location
1230 Corporate Center Dr, Oconomowoc, WI 53066
Phone
(262) 804-8214
Enumerated
Dec 23, 2018
Record last updated
Dec 30, 2024
Fax
(262) 821-6180
Medicare enrollment
Enrolled (PECOS I20190321000816); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1230 Corporate Center Dr

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

  1. Ashley Frechette, LPCMental Health Counselor1336899467
  2. Jena KluesnerMental Health Counselor1417750688
  3. Terri Koschnick, LMFTMarriage & Family Therapist1558463786
  4. Kelly MustonProfessional Counselor1023481033

Verify Heather Mae Klemm in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 8515-123
    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 Wisconsin 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.

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Bills Medicare through one group practice

  1. Cornerstone Counseling Services IncBrookfield, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Heather Mae Klemm among 4,142 clinical social worker records in Wisconsin

Heather Mae Klemm, LCSW is one of 4,142 clinical social worker records with a practice address in Wisconsin. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 61% of them.

  • NPI issued2018 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 22% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated2009 · median 2010 among the 1,186 with a school on file
  • Record last updated2024 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 clinical social worker records list a practice address in Oconomowoc

They are 18 of the 506 NPPES records with a practice address in Oconomowoc, and 4,142 clinical social worker records in Wisconsin.

The 8 clinical social worker records with the nearest ZIP codes

  1. Kathleen Baker, LCSWOconomowoc, WI 530661134371529
  2. Julie Hester, MSWOconomowoc, WI 530661730261694
  3. James Hishmeh, LCSW, CSAC, CSITOconomowoc, WI 530661598230484
  4. Ann Neeb, LCSWOconomowoc, WI 530661043221591
  5. Lyle Neeb, LCSWOconomowoc, WI 530661275637696
  6. Jill Nowlen, MSW, LCSW.Summit, WI 530661669406690
  7. Heidi Nunnemacher, LCSWOconomowoc, WI 530661699098905
  8. Jody Pickruhn, LCSWSummit, WI 530661194750208

Common questions

What is Heather Mae Klemm, LCSW's NPI number?

Heather Mae Klemm, LCSW's National Provider Identifier (NPI) is 1770055170, issued on Dec 23, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Heather Mae Klemm, LCSW located?

The NPPES record lists a practice address at 1230 Corporate Center Dr, Oconomowoc, WI, 53066. Phone: (262) 804-8214. Providers update this record themselves, so call before visiting.

How can I verify Heather Mae Klemm, LCSW's license?

NPPES lists Wisconsin license number 8515-123, as entered by the provider. Search the Wisconsin 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.