NPPES file of Aug 9, 2026

Sean Hyde O'Brien, PSY.D., ABPDN

Clinical Neuropsychologist · Cambridge, MA

Sean Hyde O'Brien, PSY.D., ABPDN is a clinical neuropsychologist with a practice address in Cambridge, Massachusetts, and NPI 1013286897, issued on Dec 22, 2011. Check the license (Massachusetts 8801, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013286897
Name
Sean Hyde O'Brien
Credential
PSY.D., ABPDN
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
8801 MA
Self-reported in NPPES; status is on the state search
Practice location
2464 Massachusetts Ave, Cambridge, MA 02140
Phone
(617) 354-5050
Enumerated
Dec 22, 2011
Record last updated
Dec 22, 2011 (not updated in 15 years: call before relying on the address or phone)
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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8 nearest clinical neuropsychologist records → All 338 in Massachusetts → Look up another NPI →

Also registered at 2464 Massachusetts Ave

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

  1. David Adams, ED.D.Counseling Psychologist1760607717
  2. Laura Heideman, LICSWMental Health Counselor1366507964
  3. Adelaide Smith, LICSWClinical Social Worker1114029006
  4. Latoya SteinbrinkClinical Social Worker1902180730
  5. Marnie Weinberg, MS, CCC, SLPSpeech-Language Pathologist1346674207

Verify Sean Hyde O'Brien 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 8801    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

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Sean Hyde O'Brien among 338 clinical neuropsychologist records in Massachusetts

Sean Hyde O'Brien, PSY.D., ABPDN is one of 338 clinical neuropsychologist records with a practice address in Massachusetts. 19% 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 2011, is newer than 60% of them.

  • NPI issued2011 · 60% of these records are older, 38% newer
  • In a Medicare fileNo · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 28% of these records are
  • Record last updated2011 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neuropsychologist providers in Massachusetts

There are 338 clinical neuropsychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 338 in Massachusetts → Every provider in Cambridge → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Chiara Haller, PHD, LP, HSPCambridge, MA 021401336507656
  2. Flannery Geier, PSY.D.Cambridge, MA 021391154731453
  3. Katlyn Kovacs, PSYDCambridge, MA 021391558002980
  4. Nancie RouleauCambridge, MA 021391730804493
  5. Casey Sarapas, PH.D.Cambridge, MA 021391407201619
  6. Jamie SchafferCambridge, MA 021391437739521
  7. Hannah TruittCambridge, MA 021391922770189
  8. Lynley Turkelson, PH.D.Cambridge, MA 021391154018885

Common questions

What is Sean Hyde O'Brien, PSY.D., ABPDN's NPI number?

Sean Hyde O'Brien, PSY.D., ABPDN's National Provider Identifier (NPI) is 1013286897, issued on Dec 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sean Hyde O'Brien, PSY.D., ABPDN located?

The NPPES record lists a practice address at 2464 Massachusetts Ave, Cambridge, MA, 02140. Phone: (617) 354-5050. Providers update this record themselves, so call before visiting.

How can I verify Sean Hyde O'Brien, PSY.D., ABPDN's license?

NPPES lists Massachusetts license number 8801, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.