Registry data as of Aug 27, 2026

Patrick Aker, LICSW

Mental Health Counselor · Lexington, MA

Patrick Aker, LICSW is a mental health counselor with a practice address in Lexington, Massachusetts, and NPI 1285401968, issued on Dec 4, 2023. Check the license (Massachusetts 126400, 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
1285401968
Name
Patrick Aker
Credential
LICSW
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
126400 MA
Self-reported in NPPES; status is on the state search
Practice location
125 Hartwell Ave, Lexington, MA 02421
Phone
(781) 879-7932
Enumerated
Dec 4, 2023
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 125 Hartwell Ave

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

  1. Dominic AcostaMental Health Counselor1497581649
  2. Jonathan Acquaviva, M.ED, LMHCMental Health Counselor1902512767
  3. Nishtha AgarwalMental Health Counselor1760037576
  4. Johnna AggelikasMental Health Counselor1659216828
  5. Olusegun AinaMental Health Counselor1982461521
  6. Daniela Alcala-VargasMental Health Counselor1275418840

Verify Patrick Aker 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 126400
    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.

432 mental health counselor records list a Lexington practice address

They are 432 of the 1,467 NPPES records with a Lexington 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 Patrick Aker, LICSW's NPI number?

Patrick Aker, LICSW's National Provider Identifier (NPI) is 1285401968, issued on Dec 4, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Patrick Aker, LICSW located?

The NPPES record lists a practice address at 125 Hartwell Ave, Lexington, MA, 02421. Phone: (781) 879-7932. Providers update this record themselves, so call before visiting.

How can I verify Patrick Aker, LICSW's license?

NPPES lists Massachusetts license number 126400, 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.