Mary Ann Hillier, MSW LMSW
Clinical Social Worker · Canton, MI
Mary Ann Hillier, MSW LMSW is a clinical social worker with a practice address in Canton, Michigan, and NPI 1427586965, issued on May 29, 2017. Check the license (Michigan 6801020564, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Hillier
- Credential
- MSW LMSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 6801020564 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5958 N Canton Center RD, Canton, MI 48187
- Phone
- (734) 737-1200
- Enumerated
- May 29, 2017
- Record last updated
- May 29, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170915001840); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,644 in Michigan → Look up another NPI →
Also registered at 5958 N Canton Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Miguel Granados, MDFamily Medicine Physician1043283286
- Ronald Jones, PH.D.Clinical Child & Adolescent Psychologist1952408940
- Ju-Hee Ma, D.D.SDentist1316386071
Verify Mary Ann Hillier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801020564Check 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
- Downriver Mental Health Clinic PCCanton, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Hillier among 17,644 clinical social worker records in Michigan
Mary Ann Hillier, MSW LMSW is one of 17,644 clinical social worker records with a practice address in Michigan. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 52% of them.
- NPI issued2017 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated1980 · median 2012 among the 3,587 with a school on file
- Record last updated2017 · 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 clinical social worker records list a practice address in Canton
They are 73 of the 1,735 NPPES records with a practice address in Canton, and 17,644 clinical social worker records in Michigan.
All 17,644 in Michigan → Every provider in Canton → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Alison Briars, LMSWCanton, MI 481871912115155
- Gregory DrozdowskiCanton, MI 481871245264043
- Renee Glass, LMSWCanton, MI 481871003945163
- Anne HooperCanton, MI 481871740457449
- Angelina Muscat, M.S.W.Canton, MI 481871952373417
- Crystal O'Connell, LMSWCanton, MI 481871730421371
- Lola RubensCanton, MI 481871376668830
- Holly Sanders-Cobb, LLMSWCanton, MI 481871467727982
Common questions
What is Mary Ann Hillier, MSW LMSW's NPI number?
Mary Ann Hillier, MSW LMSW's National Provider Identifier (NPI) is 1427586965, issued on May 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Hillier, MSW LMSW located?
The NPPES record lists a practice address at 5958 N Canton Center RD, Canton, MI, 48187. Phone: (734) 737-1200. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Hillier, MSW LMSW's license?
NPPES lists Michigan license number 6801020564, 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.