Steven Horowitz, M.D.
NPI 1558358598 · Cardiovascular Disease Physician · Glastonbury, CT
Steven Horowitz, M.D. is a Cardiovascular Disease Physician provider in Glastonbury, CT (NPI 1558358598).
Provider details
- NPI number
- 1558358598
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 023326 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-04
- Last updated
- 2014-06-05
Frequently asked questions
- What is Steven Horowitz's NPI number?
- Steven Horowitz's National Provider Identifier (NPI) is 1558358598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Horowitz's specialty?
- Steven Horowitz is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Horowitz located?
- Steven Horowitz's practice location on file with NPPES is 703 Hebron Ave, Glastonbury, CT 06033-5000.
- What is Steven Horowitz's phone number?
- The practice phone number listed in the NPPES registry for Steven Horowitz is (860) 659-8830.
- Is Steven Horowitz's NPI active?
- Yes — Steven Horowitz's NPI (1558358598) is active in the NPPES registry as of the last update on 2014-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.