Mark Joseph Mohapp, LCSW, CSAC
Clinical Social Worker · Lake Geneva, WI
Mark Joseph Mohapp, LCSW, CSAC is a clinical social worker with a practice address in Lake Geneva, Wisconsin, and NPI 1861487647, issued on Sep 16, 2005. Check the license (Wisconsin 116-123, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Joseph Mohapp
- Credential
- LCSW, CSAC
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 116-123 WI
2019 WI
2019-132 WI
7099-135 WI
149.004395 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1271 Wisconsin St, Lake Geneva, WI 53147
- Phone
- (262) 215-0826
- Enumerated
- Sep 16, 2005
- Record last updated
- Mar 13, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 39269100 WI
- Medicare enrollment
- Enrolled (PECOS I20100223000297); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 4,142 in Wisconsin → Look up another NPI →
Verify Mark Joseph Mohapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 116-123Check 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
- Mercy Health System CorporationWilliams Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Joseph Mohapp among 4,142 clinical social worker records in Wisconsin
Mark Joseph Mohapp, LCSW, CSAC 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 22% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated1989 · median 2010 among the 1,186 with a school on file
- Record last updated2013 · 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).
10 clinical social worker records list a practice address in Lake Geneva
They are 10 of the 366 NPPES records with a practice address in Lake Geneva, and 4,142 clinical social worker records in Wisconsin.
All 4,142 in Wisconsin → Every provider in Lake Geneva → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Amy CeshkerLake Geneva, WI 531471326631433
- Duanne Lafrenz, MSW, LCSWLake Geneva, WI 531471124057294
- Mervin Langley, LCSWLake Geneva, WI 531471932317831
- Laurie Linden, LCSWLake Geneva, WI 531471659618346
- Craig Luebke, LCSWLake Geneva, WI 531471467446989
- Alexandria MoranLake Geneva, WI 531471386417244
- Susan O'Connell, MSW, LCSWLake Geneva, WI 531471417046376
- Lauren Orlofsky, LCSWLake Geneva, WI 531471891250817
Common questions
What is Mark Joseph Mohapp, LCSW, CSAC's NPI number?
Mark Joseph Mohapp, LCSW, CSAC's National Provider Identifier (NPI) is 1861487647, issued on Sep 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Joseph Mohapp, LCSW, CSAC located?
The NPPES record lists a practice address at 1271 Wisconsin St, Lake Geneva, WI, 53147. Phone: (262) 215-0826. Providers update this record themselves, so call before visiting.
How can I verify Mark Joseph Mohapp, LCSW, CSAC's license?
NPPES lists Wisconsin license number 116-123, 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.