NPPES file of Aug 9, 2026

Hannah Mills, LICSW

Clinical Social Worker · Northampton, MA

Hannah Mills, LICSW is a clinical social worker with a practice address in Northampton, Massachusetts, and NPI 1801163258, issued on Nov 29, 2011. Check the license (Massachusetts 120438, as entered in NPPES) with the Massachusetts 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
1801163258
Name
Hannah Mills
Credential
LICSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
120438 MA
Self-reported in NPPES; status is on the state search
Practice location
50 Pleasant St, Northampton, MA 01060
Phone
(413) 584-6855
Enumerated
Nov 29, 2011
Record last updated
Apr 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
1300881 MA
Medicare enrollment
Enrolled (PECOS I20170814000378); 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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Also registered at 50 Pleasant St

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

  1. Paul Abbott, LICSWClinical Social Worker1558302398
  2. Catherine Ahearn, RNRegistered Nurse1578360475
  3. Ann Augustine, LICSWClinical Social Worker1699832881
  4. Emily Barr, LICSWClinical Social Worker1871147611
  5. Deborah Belkin, MSWClinical Social Worker1083862130
  6. Claudia Benoit, LICSWClinical Social Worker1811917479

Verify Hannah Mills in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 120438
    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 Massachusetts 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. Servicenet IncNorthampton, MA

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

Hannah Mills among 17,815 clinical social worker records in Massachusetts

Hannah Mills, LICSW is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 42% of them.

  • NPI issued2011 · 42% of these records are older, 55% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated2013 · median 2004 among the 3,059 with a school on file
  • Record last updated2020 · 68% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

366 clinical social worker records list a practice address in Northampton

They are 366 of the 1,816 NPPES records with a practice address in Northampton, and 17,815 clinical social worker records in Massachusetts.

The 8 clinical social worker records with the nearest ZIP codes

  1. Seth Dunn, MSW LICSWNorthampton, MA 010601285687590
  2. Phyllis Eckstein, MSW-LICSWNorthampton, MA 010601154305415
  3. Phoebe Fiddler, LICSWNorthampton, MA 010601366432072
  4. Melysa Friedman, MSW, LICSWNorthampton, MA 010601952350217
  5. Jaime Gershman, LICSWNorthampton, MA 010601659324945
  6. Heidi Haas, LICSWNorthampton, MA 010601013904929
  7. Susan Karas, L.I.C.S.W.Northampton, MA 010601023055886
  8. Jill Marland, LICSW MSWNorthampton, MA 010601104812205

Common questions

What is Hannah Mills, LICSW's NPI number?

Hannah Mills, LICSW's National Provider Identifier (NPI) is 1801163258, issued on Nov 29, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Mills, LICSW located?

The NPPES record lists a practice address at 50 Pleasant St, Northampton, MA, 01060. Phone: (413) 584-6855. Providers update this record themselves, so call before visiting.

How can I verify Hannah Mills, LICSW's license?

NPPES lists Massachusetts license number 120438, 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), 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.