Mary Mercier, LCSW
Social Worker · Hanson, MA
Mary Mercier, LCSW is a social worker with a practice address in Hanson, Massachusetts, and NPI 1801023874, issued on Jun 17, 2009. Check the license (Massachusetts 202152, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Mercier
- Credential
- LCSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 202152 MA
Self-reported in NPPES; status is on the state search - Practice location
- 112 Pine Grove Ave, Hanson, MA 02341
- Phone
- (781) 293-6302
- Enumerated
- Jun 17, 2009
- Entity
- Type 1 · individual
Verify Mary Mercier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 202152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2 social worker records list a Hanson practice address
They are 2 of the 70 NPPES records with a Hanson practice address, and 5,822 social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2 in Hanson → All 5,822 in Massachusetts → Every provider in Hanson →
Other social worker records in Massachusetts
- Chelsea Aaron, MSW, LCSWStoneham, MA1679129761
- Flannery AbbeyCambridge, MA1508604273
- Sarah Abbott, LSWFramingham, MA1023168945
- Sharon AbdallaSpringfield, MA1538759782
- Rana AbdallahCambridge, MA1689220204
- Ali Abdullahi, SWChelsea, MA1134412158
- Nicholas AbrahamWorcester, MA1023555208
- Betsy AbramsCambridge, MA1639654361
- Debra Abrams, LICSWCambridge, MA1508084070
- Nancy Abrams, LSWCambridge, MA1477670685
Common questions
What is Mary Mercier, LCSW's NPI number?
Mary Mercier, LCSW's National Provider Identifier (NPI) is 1801023874, issued on Jun 17, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mary Mercier, LCSW located?
The NPPES record lists a practice address at 112 Pine Grove Ave, Hanson, MA, 02341. Phone: (781) 293-6302. Providers update this record themselves, so call before visiting.
How can I verify Mary Mercier, LCSW's license?
NPPES lists Massachusetts license number 202152, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.