CATHERINE HELEN HORWITZ MD
NPI 1073713632
Emergency Medicine in Weymouth, MA
About Catherine Helen Horwitz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE HELEN HORWITZ MD (NPI 1073713632) is an individual emergency medicine provider in Weymouth, Massachusetts, licensed in Massachusetts (232442) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and maintains a secondary practice location in Framingham.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Catherine Helen Horwitz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
South Shore Hospital
Acute Care Hospitals · South Weymouth, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MAMetrowest Medical Center
Acute Care Hospitals · Framingham, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02190 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEYMOUTH, MA 02190
SOUTH WEYMOUTH, MA 02190
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Catherine Horwitz's NPI number?
The NPI number for Catherine Horwitz is 1073713632. It was assigned to this individual provider in the NPPES registry on July 23, 2007.
Where is Catherine Horwitz located?
Catherine Horwitz practices at 55 Fogg Rd, Weymouth, MA 02190. The listed phone number is (781) 624-8000.
What is Catherine Horwitz's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Catherine Horwitz enrolled in Medicare?
Yes. Catherine Horwitz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Catherine Horwitz affiliated with any hospitals?
According to CMS data, Catherine Horwitz is affiliated with South Shore Hospital, Newton-Wellesley Hospital and Metrowest Medical Center.
When was this NPI record last updated?
The NPPES record for Catherine Horwitz was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Catherine Helen Horwitz, MD · NPI 1073713632
Emergency Medicine physician in Weymouth, Massachusetts. Individual provider, active in the CMS NPPES registry since July 23, 2007.
## Identity
- **NPI:** 1073713632 (Entity type: Individual)
- **Enumerated:** July 23, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 232442 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 55 FOGG RD, Weymouth, MA 02190-2432
- **Phone:** (781) 624-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Tufts University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** August 5, 2026
- **Other identifiers:** Medicaid 2138760 (MA); Other AA956655 (MA); Other J41772 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1073713632) · Data from the CMS NPPES public registry.