NPPES file of Aug 9, 2026

Sonja Dietta Mayo, LMSW

Social Worker · Hart, MI

Sonja Dietta Mayo, LMSW is a social worker with a practice address in Hart, Michigan, and NPI 1013445725, issued on May 24, 2017. Check the license (Michigan 6801089271, as entered in NPPES) with the Michigan 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
1013445725
Name
Sonja Dietta Mayo
Credential
LMSW
Primary taxonomy
Social Worker 104100000X
License number
6801089271 MI
Self-reported in NPPES; status is on the state search
Practice location
611 E Main St, Hart, MI 49420
Phone
(231) 873-6900
Enumerated
May 24, 2017
Record last updated
Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(231) 873-1825
Medicare enrollment
Enrolled (PECOS I20171228001237); 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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8 nearest social worker records → All 9,114 in Michigan → Look up another NPI →

Also registered at 611 E Main St

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

  1. Ann Blacktop, LMSWClinical Social Worker1689605230
  2. Marstie Bunting, D-NPFamily Nurse Practitioner1619594959
  3. Kayla Burns, PHARM.D.Ambulatory Care Pharmacist1760869028
  4. Janelle DonjonClinical Social Worker1770450819
  5. Ronald Graeser, DOFamily Medicine Physician1922030063
  6. Mike Kozminski, M.D.Urology Physician1093816316

Verify Sonja Dietta Mayo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 6801089271    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 Michigan 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. Mercy Health PartnersHart, MI

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

Sonja Dietta Mayo among 9,114 social worker records in Michigan

Sonja Dietta Mayo, LMSW is one of 9,114 social worker records with a practice address in Michigan. 7% 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 47% of them.

  • NPI issued2017 · 47% of these records are older, 48% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 10% of these records are
  • Graduated2007 · median 2012 among the 914 with a school on file
  • Record last updated2021 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 social worker records list a practice address in Hart

They are 2 of the 103 NPPES records with a practice address in Hart, and 9,114 social worker records in Michigan.

All 9,114 in Michigan → Every provider in Hart → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. Christina Delgado, LLBSWHart, MI 494201700364056
  2. Jennifer Mackay, BSWHesperia, MI 494211023577665
  3. Don Mead, MSWHamilton, MI 494191184806887
  4. Erika Betts, LMSWGrandville, MI 494181396430872
  5. Michele BishopGrandville, MI 494181619840279
  6. Dustin Burdick, LLMSWGrandville, MI 494181053042200
  7. Chaniya Clark, LLBSWGrandville, MI 494181396579801
  8. August CrowleyGrandville, MI 494181205582202

Common questions

What is Sonja Dietta Mayo, LMSW's NPI number?

Sonja Dietta Mayo, LMSW's National Provider Identifier (NPI) is 1013445725, issued on May 24, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sonja Dietta Mayo, LMSW located?

The NPPES record lists a practice address at 611 E Main St, Hart, MI, 49420. Phone: (231) 873-6900. Providers update this record themselves, so call before visiting.

How can I verify Sonja Dietta Mayo, LMSW's license?

NPPES lists Michigan license number 6801089271, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.