Lynwood McCassie
Psychologist · Boston, MA
Lynwood McCassie is a psychologist with a practice address in Boston, Massachusetts, and NPI 1134597867, issued on Sep 11, 2015. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lynwood McCassie
- Primary taxonomy
- Psychologist 103T00000X
- Practice location
- 1601 Washington St, Boston, MA 02118
- Phone
- (617) 425-2000
- Enumerated
- Sep 11, 2015
- Record last updated
- Sep 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221028002198); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,367 in Massachusetts → Look up another NPI →
Also registered at 1601 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daramis AbreuRegistered Nurse1699093567
- Carolina Abuelo, M.D.Internal Medicine Physician1306042528
- Amita Agarwal, DDSDentist1184084683
- Laura Allen, LICSWSocial Worker1740446996
- Doris Alleyne, SWSocial Worker1386918845
- Gulnora Aminova, PH.D.Mental Health Counselor1518412964
Verify Lynwood McCassie 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
Bills Medicare through one group practice
- Brookline Community Mental Health Center IncBrookline, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynwood McCassie among 2,367 psychologist records in Massachusetts
Lynwood McCassie is one of 2,367 psychologist records with a practice address in Massachusetts. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 65% of them.
- NPI issued2015 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2019 · median 1997 among the 487 with a school on file
- Record last updated2016 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
457 psychologist records list a practice address in Boston
They are 457 of the 41,865 NPPES records with a practice address in Boston, and 2,367 psychologist records in Massachusetts.
All 2,367 in Massachusetts → Every provider in Boston → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- David Belton, PH.D.Boston, MA 021181962628859
- Mari Bennasar, PSYDBoston, MA 021181922012616
- Stephen Brady, PHDBoston, MA 021181689694218
- Kermit Crawford, PHDBoston, MA 021181326062100
- Beverley Ellis, PHDBoston, MA 021181790892313
- Vera Lapid-Jachimowicz, PH.DBoston, MA 021181942492319
- Rachel Levy, PSY.D.Boston, MA 021181326267956
- Frank Perna, PHDBoston, MA 021181811093552
Common questions
What is Lynwood McCassie's NPI number?
Lynwood McCassie's National Provider Identifier (NPI) is 1134597867, issued on Sep 11, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Lynwood McCassie located?
The NPPES record lists a practice address at 1601 Washington St, Boston, MA, 02118. Phone: (617) 425-2000. Providers update this record themselves, so call before visiting.
How can I verify Lynwood McCassie'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. 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.