Heather J. Leonardo, M.S.
Mental Health Counselor · Acton, MA
Heather J. Leonardo, M.S. is a mental health counselor with a practice address in Acton, Massachusetts, and NPI 1760652333, issued on Mar 10, 2008. Check the license with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Heather J. Leonardo
- Credential
- M.S.
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- Practice location
- 537 Massachusetts Ave Ste 203, Acton, MA 01720
- Phone
- (978) 577-5198
- Enumerated
- Mar 10, 2008
- Record last updated
- Aug 5, 2022
- Fax
- (978) 393-0193
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 18,415 in Massachusetts → Look up another NPI →
Verify Heather J. Leonardo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Heather J. Leonardo among 18,415 mental health counselor records in Massachusetts
Heather J. Leonardo, M.S. is one of 18,415 mental health counselor records with a practice address in Massachusetts. 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 16% of them.
- NPI issued2008 · 16% of these records are older, 81% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 mental health counselor records list a practice address in Acton
They are 73 of the 556 NPPES records with a practice address in Acton, and 18,415 mental health counselor records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 18,415 in Massachusetts → Every provider in Acton → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Veneita Burden, MED LMHCActon, MA 017201124106505
- Linda Collins, LMHCActon, MA 017201801947551
- Jill Defoe, LICSWActon, MA 017201265532360
- Benjamin Gildehaus, M.A.Acton, MA 017201144508268
- Lynn Giles, LMHCActon, MA 017201083788897
- Enid Keefe, LMHCActon, MA 017201669606752
- Caroline Leggett, LICSWActon, MA 017201982700209
- Katherine McCarthy, PHDActon, MA 017201184902355
Common questions
What is Heather J. Leonardo, M.S.'s NPI number?
Heather J. Leonardo, M.S.'s National Provider Identifier (NPI) is 1760652333, issued on Mar 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Heather J. Leonardo, M.S. located?
The NPPES record lists a practice address at 537 Massachusetts Ave Ste 203, Acton, MA, 01720. Phone: (978) 577-5198. Providers update this record themselves, so call before visiting.
How can I verify Heather J. Leonardo, M.S.'s license?
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. 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.