Mark Leo Diroff, LCSW
Clinical Social Worker · Davisburg, MI
Mark Leo Diroff, LCSW is a clinical social worker with a practice address in Davisburg, Michigan, and NPI 1578571642, issued on Aug 4, 2006. Check the license (Michigan 6801019504, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Leo Diroff
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 6801019504 MI
Self-reported in NPPES; status is on the state search - Practice location
- 12850 Fountain SQ, Davisburg, MI 48350
- Phone
- (248) 634-6303
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (248) 634-1746
- Medicare enrollment
- Enrolled (PECOS I20050113000374); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 12850 Fountain SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bringman, LMSWClinical Social Worker1881602951
- Dana Decapite, LMSWClinical Social Worker1033366620
- Josella Faul, LLPClinical Psychologist1740293224
- Gina Frost-Porterfield, LPCProfessional Counselor1114935186
- Nicole Grabow, LLMSWClinical Social Worker1255562765
- Cheryl Hall, LPCMental Health Counselor1003829581
Verify Mark Leo Diroff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801019504Check 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
- Ismail B Sendi MD PCSouthgate, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
11 clinical social worker records list a practice address in Davisburg
They are 11 of the 42 NPPES records with a practice address in Davisburg, and 17,644 clinical social worker records in Michigan.
All 11 in Davisburg → All 17,644 in Michigan → Every provider in Davisburg →
Other clinical social worker records in Michigan
- Susan Aalsburg, M.S.W.Belmont, MI1962688630
- Pamela Aalto, LMSWEscanaba, MI1518271162
- Layla AbadaNovi, MI1982195608
- Gabriella AbaloAnn Arbor, MI1851983068
- Farwa AbbasDearborn, MI1285109694
- Meisaa Abbas, MA, LLMSWNovi, MI1871254672
- Jaclyn Abbate, LMSWGrand Rapids, MI1144678210
- Jeffrey AbbayaSterling Heights, MI1144071341
- Margaret Abbenante, LMSW,ACSWSaginaw, MI1255367967
- Kristen Abbo, LMSWCommerce Twp, MI1932947546
Common questions
What is Mark Leo Diroff, LCSW's NPI number?
Mark Leo Diroff, LCSW's National Provider Identifier (NPI) is 1578571642, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Leo Diroff, LCSW located?
The NPPES record lists a practice address at 12850 Fountain SQ, Davisburg, MI, 48350. Phone: (248) 634-6303. Providers update this record themselves, so call before visiting.
How can I verify Mark Leo Diroff, LCSW's license?
NPPES lists Michigan license number 6801019504, as entered by the provider. Search the Michigan 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.