NPPES file of Aug 9, 2026

Christina N. Massey, PHD

Psychologist · Brookline, MA

Christina N. Massey, PHD is a psychologist with a practice address in Brookline, Massachusetts, and NPI 1477934172, issued on Jun 18, 2015. Check the license (Massachusetts 10683, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477934172
Name
Christina N. Massey
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
10683 MA
Self-reported in NPPES; status is on the state search
Practice location
1371 Beacon St Ste 304, Brookline, MA 02446
Phone
(917) 524-6266
Enumerated
Jun 18, 2015
Record last updated
Jun 18, 2026
Medicare enrollment
Enrolled (PECOS I20171010002788); 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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Verify Christina N. Massey 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 10683
    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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96% fewer Medicare Part D claims than the average psychologist in 2024

14 Medicare Part D claims, against an average of 359 among the 46 providers of this specialty who prescribed in Part D.

  1. Christina Massey14
  2. Specialty average359

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. The General Hospital CorporationBoston, MA

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

Christina N. Massey among 2,367 psychologist records in Massachusetts

Christina N. Massey, PHD 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
  • Graduated2016 · median 1997 among the 487 with a school on file
  • Record last updated2026 · 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).

98 psychologist records list a practice address in Brookline

They are 98 of the 2,357 NPPES records with a practice address in Brookline, and 2,367 psychologist records in Massachusetts.

The 8 psychologist records with the nearest ZIP codes

  1. Lydia BaumrindBrookline, MA 024461861509937
  2. Richard Bristol, PSY.D.Brookline, MA 024461922091750
  3. Loren Brooks, PH.D.Brookline, MA 024461154379758
  4. Jonathan Brush, PHDBrookline, MA 024461730132846
  5. Jacqueline Buchin, PSYDBrookline, MA 024461508856246
  6. David Doolittle, PSYDBrookline, MA 024461982687380
  7. Marcel Fajnzylber, ED.D.Brookline, MA 024461821008947
  8. Jennifer Gistrak, PSY.D.Brookline, MA 024461205836673

Common questions

What is Christina N. Massey, PHD's NPI number?

Christina N. Massey, PHD's National Provider Identifier (NPI) is 1477934172, issued on Jun 18, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Christina N. Massey, PHD located?

The NPPES record lists a practice address at 1371 Beacon St Ste 304, Brookline, MA, 02446. Phone: (917) 524-6266. Providers update this record themselves, so call before visiting.

How can I verify Christina N. Massey, PHD's license?

NPPES lists Massachusetts license number 10683, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Christina N. Massey, PHD prescribe under Medicare Part D?

In 2024, Christina N. Massey, PHD had 14 Medicare Part D claims; the average among psychologist prescribers was 359. Part D covers Medicare prescriptions 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.