DIANE CYNN (PSY.D.) – Clinical Psychologist, NPI 1467533216

DIANE CYNN (PSY.D.) is a healthcare provider. based in Jamaica plain, Massachusetts. specializing in Clinical Psychologist. They hold the professional credentials PSY.D.. They hold a License No. 8641 (MA). The NPI Number for DIANE CYNN (PSY.D.) is 1467533216

Main info

Female
Name
DIANE CYNN (PSY.D.)
NPI
1467533216
Phone
(617) 935-1655
Address
20 CHESHIRE ST
Enumeration Date
18 October 2006
Last Update Date
7 January 2022
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for DIANE CYNN (PSY.D.)

  • 20 CHESHIRE ST

    JAMAICA PLAIN, MA 021302223

    Phone: (617) 935-1655

    Type: Mailing

  • 1693 BEACON ST STE 1F

    BROOKLINE, MA 024454467

    Phone: (617) 935-1655

    Type: Location

  • 233, Harvard Street, Coolidge Corner, Brookline, Norfolk County, Massachusetts, 02446, United States

    SUITE 36

    BROOKLINE, MA 024465069

    Phone: (617) 935-1655

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2007-06-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070604000659IClinical PsychologistMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02130)

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Reviews

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Frequently asked questions

Can I verify DIANE CYNN (PSY.D.) with an NPI only?
You can start verification with NPI 1467533216 for DIANE CYNN (PSY.D.), then check state licensing separately.
Does CMS list DIANE CYNN (PSY.D.) as active?
Yes — DIANE CYNN (PSY.D.) is active in the NPI listing used on this page.
What is DIANE CYNN (PSY.D.)'s primary classification?
Clinical Psychologist is the headline specialty for DIANE CYNN (PSY.D.) here. Clinical services aligned with this taxonomy classification.
What address line appears for DIANE CYNN (PSY.D.)?
DIANE CYNN (PSY.D.)'s geographic hint is Jamaica Plain, Massachusetts in our summary view.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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