CATHERINE HELEN HORWITZ (MD) – Emergency Medicine Physician, NPI 1073713632

CATHERINE HELEN HORWITZ (MD) is a healthcare provider. based in Boston, Massachusetts. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. 232442 (MA). The NPI Number for CATHERINE HELEN HORWITZ (MD) is 1073713632

Main info

Female
Sole Proprietor
22 Years Of Experience
Accepts Medicare Assignment
Name
CATHERINE HELEN HORWITZ (MD)
NPI
1073713632
Phone
(617) 754-2339
Address
1 DEACONESS RD
Enumeration Date
23 July 2007
Last Update Date
7 September 2023

Doctor Profile

Medical School Name
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
7817924136
Graduation Year
2004 (22 years ago)
PAC ID
7012003700
Group Practice PAC ID
7113029257
Professional Enrollment ID
I20071010000678
Address ID
MA021902432WE55XXXRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience60
Completeness75
Years active:18State licenses:1Digital endpointsOther names

1,682 EMERGENCY MEDICINE in MA

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Provider Addresses for CATHERINE HELEN HORWITZ (MD)

  • Beth Israel Deaconess Medical Center West Campus, 1, Deaconess Road, Boston, Suffolk County, Massachusetts, 02215, United States

    CLINICAL CENTER 2, EMERGENCY DEPARTMENT

    BOSTON, MA 022150213

    Phone: (617) 754-2339

    Fax: (617) 754-2350

    Type: Mailing

  • 44 E PLAIN ST

    WAYLAND, MA 017784934

    Phone: (917) 626-0377

    Type: Mailing

  • 55 FOGG RD

    WEYMOUTH, MA 021902432

    Phone: (781) 624-8000

    Type: Location

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: 2007-10-10

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
I20071010000678IEmergency MedicineMATBD

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
99285Emergency department visit with high level of medical decision making270261$0
99284Emergency department visit with moderate level of medical decision making10093$0
99291Critical care, first 30-74 minutes4443$0
99283Emergency department visit with low level of medical decision making2727$0
93042Electrocardiogram (ecg) 1 to 3 leads with review by physician only1111$0
View full utilization report →

Insurance plans in this area (ZIP 02215)

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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: 7113029257View full group profile
NameSpecialtyState
Pain Management, AnesthesiologyMA
-MA
Physician AssistantMA
General SurgeryNJ
U R O L O G YMA
Internal MedicineME
Physician AssistantIN
O B S T E T R I C S/ G Y N E C O L O G YMA
Physician AssistantMA
Physician AssistantMA

Reviews

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Frequently asked questions

Where can patients find CATHERINE HELEN HORWITZ (MD)'s NPI?
You can confirm CATHERINE HELEN HORWITZ (MD) with NPI 1073713632; it appears in the national provider directory.
Is CATHERINE HELEN HORWITZ (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Can you summarize CATHERINE HELEN HORWITZ (MD)'s specialty in plain language?
Clinically, the directory lists CATHERINE HELEN HORWITZ (MD) with Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
Where is CATHERINE HELEN HORWITZ (MD)'s primary listing?
We display Boston, Massachusetts because that is what the record indicates for CATHERINE HELEN HORWITZ (MD).
How can I contact CATHERINE HELEN HORWITZ (MD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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