Hortense Alice Mason, LMSW
Social Worker · Detroit, MI
Hortense Alice Mason, LMSW is a social worker with a practice address in Detroit, Michigan, and NPI 1336399773, issued on Sep 23, 2008. Check the license (Michigan 6801086380, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Hortense Alice Mason
- Credential
- LMSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 6801086380 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3875 Yorkshire RD, Detroit, MI 48224
- Phone
- (313) 882-6352
- Enumerated
- Sep 23, 2008
- Record last updated
- Feb 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest social worker records → All 9,114 in Michigan → Look up another NPI →
Also registered at 3875 Yorkshire RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas AlexanderSocial Worker1558921213
Verify Hortense Alice Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6801086380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hortense Alice Mason among 9,114 social worker records in Michigan
Hortense Alice Mason, 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 not. Its NPI, issued in 2008, is newer than 13% of them.
- NPI issued2008 · 13% of these records are older, 84% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2012 · 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).
910 social worker records list a practice address in Detroit
They are 910 of the 19,832 NPPES records with a practice address in Detroit, and 9,114 social worker records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,114 in Michigan → Every provider in Detroit → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Nicholas AlexanderDetroit, MI 482241558921213
- Annie AllenDetroit, MI 482241154746303
- Anna BroomDetroit, MI 482241689593055
- Joslynn Embry, MS, RSSTDetroit, MI 482241285986018
- Susan Lawrence, PHD, CSWDetroit, MI 482241780985416
- Maria PruittDetroit, MI 482241053049734
- Mario TatumDetroit, MI 482241629595350
- Angela ThompsonDetroit, MI 482241003285115
Common questions
What is Hortense Alice Mason, LMSW's NPI number?
Hortense Alice Mason, LMSW's National Provider Identifier (NPI) is 1336399773, issued on Sep 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Hortense Alice Mason, LMSW located?
The NPPES record lists a practice address at 3875 Yorkshire RD, Detroit, MI, 48224. Phone: (313) 882-6352. Providers update this record themselves, so call before visiting.
How can I verify Hortense Alice Mason, LMSW's license?
NPPES lists Michigan license number 6801086380, 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. 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.