RACHAEL ELIZABETH FLATT (PHD) – Clinical Psychologist, NPI 1164396305

RACHAEL ELIZABETH FLATT (PHD) is a healthcare provider. based in Boston, Massachusetts. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PHD. They hold a License No. PSY10001936 (MA). The NPI Number for RACHAEL ELIZABETH FLATT (PHD) is 1164396305

Main info

Female
Sole Proprietor
2 Years Of Experience
Accepts Medicare Assignment
Name
RACHAEL ELIZABETH FLATT (PHD)
NPI
1164396305
Phone
(617) 355-6000
Address
300 LONGWOOD AVE
Enumeration Date
1 October 2025
Last Update Date
1 October 2025

Doctor Profile

Medical School Name
UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Secondary Phone
6173556000
Graduation Year
2024 (2 years ago)
PAC ID
9739676255
Group Practice PAC ID
7719901198
Professional Enrollment ID
I20251016004072
Address ID
MA021155724BO300XXAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience24
Completeness85
Years active:0State licenses:1Digital endpointsOther names

1,694 CLINICAL PSYCHOLOGIST in MA

Provider Addresses for RACHAEL ELIZABETH FLATT (PHD)

  • 300 LONGWOOD AVE

    BOSTON, MA 021155724

    Phone: (617) 355-6000

    Mailing address matches the actual address.

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: 2025-10-16

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
I20251016004072IClinical 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 02115)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7719901198View full group profile
NameSpecialtyState
Orthopedic SurgeryMA
Sports Medicine, Emergency MedicineMA
Physician AssistantMA
Orthopedic Surgery, Sports MedicineMA
Physical Therapist In Private PracticeIL
Internal Medicine, Sports MedicineMA
-MA
Orthopedic Surgery, Sports MedicineMA
Orthopedic SurgeryMA
-MA

Reviews

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Frequently asked questions

What is the registry number for RACHAEL ELIZABETH FLATT (PHD)?
The registry entry for RACHAEL ELIZABETH FLATT (PHD) shows NPI 1164396305.
Is RACHAEL ELIZABETH FLATT (PHD) currently accepting referrals based on NPI status?
Registry metadata lists RACHAEL ELIZABETH FLATT (PHD) as active.
What type of care does RACHAEL ELIZABETH FLATT (PHD) provide?
RACHAEL ELIZABETH FLATT (PHD)'s profile centers on Clinical Psychologist. Clinical services aligned with this taxonomy classification.
Is RACHAEL ELIZABETH FLATT (PHD) tied to Boston, Massachusetts?
If you are local to Boston, Massachusetts, RACHAEL ELIZABETH FLATT (PHD) may be relevant to your search.
Why is information missing for RACHAEL ELIZABETH FLATT (PHD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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