CAITLIN LOSI (PA) – Physician Assistant, NPI 1548726870

CAITLIN LOSI (PA) is a healthcare provider. based in Boston, Massachusetts. specializing in PHYSICIAN ASSISTANT. They hold the professional credentials PA. They hold a License No. PA6820 (MA). The NPI Number for CAITLIN LOSI (PA) is 1548726870

Main info

Female
8 Years Of Experience
Accepts Medicare Assignment
Name
CAITLIN LOSI (PA)
NPI
1548726870
Phone
(617) 983-7080
Address
1153 CENTRE ST
Enumeration Date
12 February 2019
Last Update Date
12 February 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6177325500
Graduation Year
2018 (8 years ago)
PAC ID
6204176654
Group Practice PAC ID
3870405988
Professional Enrollment ID
I20190321000069
Address ID
MA021156110BO75XXXSTXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience28
Completeness75
Years active:7State licenses:1Digital endpointsOther names

5,093 PHYSICIAN ASSISTANT in MA

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Provider Addresses for CAITLIN LOSI (PA)

  • Brigham & Women's Faulkner Hospital, 1153, Centre Street, Jamaica Plain, Boston, Suffolk County, Massachusetts, 02130, United States

    BOSTON, MA 021303446

    Phone: (617) 983-7080

    Fax: (617) 983-7658

    Type: Location

  • 54, Milton Avenue, Fairmount, Hyde Park, Boston, Suffolk County, Massachusetts, 02137, United States

    HYDE PARK, MA 021363617

    Phone: (617) 455-5024

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $32.

Total Amount is formed as General ($32) + Research ($0) + Ownership ($0) = $32.

Last reported payment date: 2024-05-17 • Largest payer in this snapshot: Ceribell, Inc. ($32).

Total Amount

$32

General + Research + Ownership

Payments

1

Total payment records

General Amount

$32

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-17

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Ceribell, Inc.$32
View all Open Payments →|Open Payments Risk Radar →

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: 2019-03-21

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
I20190321000069IPhysician AssistantMATBD

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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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: 3870405988View full group profile
NameSpecialtyState
N E U R O S U R G E R YMD
-MA
Critical Care (Intensivists), Pulmonary DiseaseFL
Physician AssistantMA
N E U R O L O G YMA
Nurse PractitionerMA
Orthopedic SurgeryMA
Physician AssistantNH
Nurse PractitionerMA
P A T H O L O G YMA

Reviews

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Frequently asked questions

Does CAITLIN LOSI (PA) have a public NPI I can cite?
Public records show CAITLIN LOSI (PA) under NPI 1548726870.
Is CAITLIN LOSI (PA)'s NPI status active today?
Active status means CAITLIN LOSI (PA)'s NPI record is not deactivated in the public file.
Which specialty label fits CAITLIN LOSI (PA)?
NPPES ties CAITLIN LOSI (PA) to Physician Assistant in the taxonomy section. Clinical services aligned with this taxonomy classification.
Can patients visit CAITLIN LOSI (PA) in Boston, Massachusetts?
For routing, start with Boston, Massachusetts for CAITLIN LOSI (PA), then verify phone and hours locally.
Why is information missing for CAITLIN LOSI (PA)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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