NPPES file of Aug 9, 2026

Emily I. Hartnett, PHD

Clinical Psychologist · Lexington, MA

Emily I. Hartnett, PHD is a clinical psychologist with a practice address in Lexington, Massachusetts, and NPI 1821650664, issued on Jul 2, 2019. Check the license (Massachusetts 11608, 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
1821650664
Name
Emily I. Hartnett
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
11608 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Maguire RD, Lexington, MA 02421
Phone
(781) 860-1700
Enumerated
Jul 2, 2019
Record last updated
Oct 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211124000870); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1 Maguire RD

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

  1. Yvonne Asher, MAClinical Psychologist1376066878
  2. Sarah BolandStudent in an Organized Health Care Education/Training Program1508650086
  3. Jessica Flowers, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1811665938
  4. Stephanie FritzStudent in an Organized Health Care Education/Training Program1104237197
  5. Rachel GoldinPsychologist1033564885
  6. Emily GuyPsychologist1033078506

Verify Emily I. Hartnett 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 11608
    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. Massachusetts General Physicians Organization IncBoston, MA

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

Emily I. Hartnett among 3,185 clinical psychologist records in Massachusetts

Emily I. Hartnett, PHD is one of 3,185 clinical psychologist records with a practice address in Massachusetts. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 24% of these records are
  • Graduated2019 · median 2000 among the 777 with a school on file
  • Record last updated2021 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 clinical psychologist records list a practice address in Lexington

They are 63 of the 1,467 NPPES records with a practice address in Lexington, and 3,185 clinical psychologist records in Massachusetts.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Lauren Avery, PH.D.Lexington, MA 024211518014133
  2. Michael Basseches, PH.D.Lexington, MA 024211073556932
  3. Susan Brefach, ED.D.Lexington, MA 024211346200193
  4. Kathleen Burke, PHD, RN, CSLexington, MA 024211407904543
  5. James Caron, EDDLexington, MA 024211437232709
  6. David Chick, PH.D.Lexington, MA 024211689749756
  7. Suzanne Donnellan, PSY.D.Lexington, MA 024211215094388
  8. Gerard Donnellan, PHDLexington, MA 024211245388487

Common questions

What is Emily I. Hartnett, PHD's NPI number?

Emily I. Hartnett, PHD's National Provider Identifier (NPI) is 1821650664, issued on Jul 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Emily I. Hartnett, PHD located?

The NPPES record lists a practice address at 1 Maguire RD, Lexington, MA, 02421. Phone: (781) 860-1700. Providers update this record themselves, so call before visiting.

How can I verify Emily I. Hartnett, PHD's license?

NPPES lists Massachusetts license number 11608, 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.