Marshall Katz, C.O.
NPI 1780960559 · Orthotist · Great Neck, NY
Marshall Katz, C.O. is a Orthotist provider in Great Neck, NY (NPI 1780960559).
Provider details
- NPI number
- 1780960559
- Entity type
- Individual
- Primary specialty
- OrthotistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- C.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- CO1909 (VA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-10-25
- Last updated
- 2011-10-25
Frequently asked questions
- What is Marshall Katz's NPI number?
- Marshall Katz's National Provider Identifier (NPI) is 1780960559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Katz's specialty?
- Marshall Katz is listed in the NPPES registry with a primary specialty of Orthotist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marshall Katz located?
- Marshall Katz's practice location on file with NPPES is 800 Northern Blvd, Great Neck, NY 11021-5340.
- What is Marshall Katz's phone number?
- The practice phone number listed in the NPPES registry for Marshall Katz is (516) 829-6188.
- Is Marshall Katz's NPI active?
- Yes — Marshall Katz's NPI (1780960559) is active in the NPPES registry as of the last update on 2011-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.