CATHERINE MARGARET HOSLEY (M.D.) – Vascular Neurology Physician, NPI 1629174453

CATHERINE MARGARET HOSLEY (M.D.) is a healthcare provider. based in Boston, Massachusetts. specializing in NEUROLOGY. They hold the professional credentials M.D.. They hold a License No. 048991 (CT). The NPI Number for CATHERINE MARGARET HOSLEY (M.D.) is 1629174453

Main info

Female
21 Years Of Experience
Accepts Medicare Assignment
Name
CATHERINE MARGARET HOSLEY (M.D.)
NPI
1629174453
Phone
(860) 545-7602
Address
P.O. BOX 415933
Enumeration Date
16 September 2006
Last Update Date
19 September 2024

Doctor Profile

Medical School Name
BOSTON UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8605457500
Graduation Year
2005 (21 years ago)
PAC ID
2860525151
Group Practice PAC ID
2567366016
Professional Enrollment ID
I20100806000771
Address ID
CT061020000HA80XXXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness75
Years active:19State licenses:2Digital endpointsOther names

509 NEUROLOGY in CT

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Provider Addresses for CATHERINE MARGARET HOSLEY (M.D.)

  • P.O. BOX 415933

    HARTFORD HOSPITAL PROFESSIONAL SERVICES

    BOSTON, MA 022415933

    Phone: (860) 545-7602

    Type: Mailing

  • Hartford Hospital, 80, Seymour Street, Frog Hollow Historic District, Hartford, Hartford County, Connecticut, 06102, United States

    HARTFORD HOSPITAL NEUROLOGY DEPT

    HARTFORD, CT 061025037

    Phone: (860) 545-3621

    Type: Location

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 $112.

Total Amount is formed as General ($112) + Research ($0) + Ownership ($0) = $112.

Last reported payment date: 2023-09-12 • Largest payer in this snapshot: Silk Road Medical, Inc. ($112).

Total Amount

$112

General + Research + Ownership

Payments

1

Total payment records

General Amount

$112

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-09-12

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Silk Road Medical, Inc.$112
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: 2010-08-06

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
I20100806000771INeurologyCTTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes1515$0
View full utilization report →

Insurance plans in this area (ZIP 02241)

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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: 2567366016View full group profile

Reviews

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Frequently asked questions

Can I use this page to confirm CATHERINE MARGARET HOSLEY (M.D.)'s NPI?
Yes. CATHERINE MARGARET HOSLEY (M.D.) is listed with NPI 1629174453 in the public NPI dataset.
Is CATHERINE MARGARET HOSLEY (M.D.) listed as active for patients and plans?
The listing shows CATHERINE MARGARET HOSLEY (M.D.) as active in the NPI system.
What taxonomy line describes CATHERINE MARGARET HOSLEY (M.D.)?
For research purposes, treat CATHERINE MARGARET HOSLEY (M.D.) as Vascular Neurology Physician in this dataset. Clinical services aligned with this taxonomy classification.
What address line appears for CATHERINE MARGARET HOSLEY (M.D.)?
CATHERINE MARGARET HOSLEY (M.D.)'s geographic hint is Boston, Massachusetts in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.