Registry data as of Aug 27, 2026

Heather O'Neil, LMHC

Mental Health Counselor · Methuen, MA

Heather O'Neil, LMHC is a mental health counselor with a practice address in Methuen, Massachusetts, and NPI 1013238096, issued on Jun 14, 2010. Check the license (Massachusetts 6516, 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.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1013238096
Name
Heather O'Neil
Credential
LMHC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
6516 MA
Self-reported in NPPES; status is on the state search
Practice location
100A Haverhill St, Methuen, MA 01844
Phone
(978) 682-5276
Enumerated
Jun 14, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 100A Haverhill St

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

  1. Jennifer Aballo, M.A.Counselor1144657057
  2. Maria AbreuMental Health Counselor1801281233
  3. Vanesa AielloMental Health Counselor1164350633
  4. Nirlap BettenhauserMental Health Counselor1356177414
  5. Emily Buck, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1972934636
  6. Bryan Burke, MACounselor1326443441

Verify Heather O'Neil 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 6516
    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.

60 mental health counselor records list a Methuen practice address

They are 60 of the 881 NPPES records with a Methuen practice address, and 18,238 mental health counselor records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other mental health counselor records in Massachusetts

  1. Casandra Aasmundsen, MAWorcester, MA1104234442
  2. Maryam AbalkhailHolyoke, MA1275035131
  3. Daniela AbarcaSpringfield, MA1871262006
  4. Lorena Abarr, LMHC, CADCAmherst, MA1902178858
  5. Laura AbascianoDedham, MA1336446137
  6. Tatyana AbashinaSpringfield, MA1902013113
  7. Diana AbathGreenfield, MA1679371942
  8. Elizabeth AbbateRevere, MA1992053748
  9. Brianna Abbott, LMHC LADC1Springfield, MA1225503725
  10. Bryan Abbott, MSTaunton, MA1306671987

Common questions

What is Heather O'Neil, LMHC's NPI number?

Heather O'Neil, LMHC's National Provider Identifier (NPI) is 1013238096, issued on Jun 14, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Heather O'Neil, LMHC located?

The NPPES record lists a practice address at 100A Haverhill St, Methuen, MA, 01844. Phone: (978) 682-5276. Providers update this record themselves, so call before visiting.

How can I verify Heather O'Neil, LMHC's license?

NPPES lists Massachusetts license number 6516, 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.