NPPES file of Aug 9, 2026

Mark S. Switzer, LISW

Clinical Social Worker · Cincinnati, OH

Mark S. Switzer, LISW is a clinical social worker with a practice address in Cincinnati, Ohio, and NPI 1174954176, issued on Dec 2, 2013. Check the license (Ohio I.1451347, as entered in NPPES) with the Ohio 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
1174954176
Name
Mark S. Switzer
Credential
LISW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
I.1451347 OH
I-1451347 OH
5103 KY
Self-reported in NPPES; status is on the state search
Practice location
5899 Harrison Avenue, Cincinnati, OH 45248
Phone
(513) 803-8200
Enumerated
Dec 2, 2013
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(513) 803-8173
Medicare enrollment
Enrolled (PECOS I20151027000138); accepts Medicare assignment
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 5899 Harrison Avenue

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

  1. Monique Wilson, APRN-CNSChild & Adolescent Psychiatric/Mental Health Clinical Nurse Specialist1275579633

Verify Mark S. Switzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license I.1451347
    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 Ohio 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. Healing Hope LLCAmelia, OH

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

Mark S. Switzer among 9,815 clinical social worker records in Ohio

Mark S. Switzer, LISW is one of 9,815 clinical social worker records with a practice address in Ohio. 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 2013, is newer than 36% of them.

  • NPI issued2013 · 36% of these records are older, 60% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2012 · median 2011 among the 1,903 with a school on file
  • Record last updated2018 · 55% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

924 clinical social worker records list a practice address in Cincinnati

They are 924 of the 31,362 NPPES records with a practice address in Cincinnati, and 9,815 clinical social worker records in Ohio.

The 8 clinical social worker records with the nearest ZIP codes

  1. Megan Clifton, MSW, LISWCincinnati, OH 452481376260257
  2. Christopher Dearth, SOCIAL WORKERCincinnati, OH 452481437880895
  3. Christine Miller, LISW-SCincinnati, OH 452481053201483
  4. Sharon Siple, LISWCincinnati, OH 452481912095621
  5. Krista SoudersCincinnati, OH 452481639976798
  6. Kaycia Spenser, LISW-SCincinnati, OH 452481265047609
  7. Sarah Weller, LISW-SCincinnati, OH 452481609674878
  8. Angela Antronica, LSW, LPCCincinnati, OH 452471992448963

Common questions

What is Mark S. Switzer, LISW's NPI number?

Mark S. Switzer, LISW's National Provider Identifier (NPI) is 1174954176, issued on Dec 2, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Mark S. Switzer, LISW located?

The NPPES record lists a practice address at 5899 Harrison Avenue, Cincinnati, OH, 45248. Phone: (513) 803-8200. Providers update this record themselves, so call before visiting.

How can I verify Mark S. Switzer, LISW's license?

NPPES lists Ohio license number I.1451347, as entered by the provider. Search the Ohio 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.