Joseph Zisk, CPO
NPI 1770325508 · Orthotist · Chicago, IL
Joseph Zisk, CPO is a Orthotist provider in Chicago, IL (NPI 1770325508).
Provider details
- NPI number
- 1770325508
- Entity type
- Individual
- Primary specialty
- OrthotistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- CPO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Prosthetist224P00000X
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
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2024-06-11
- Last updated
- 2024-06-11
- Certified
- 2024-06-11
Frequently asked questions
- What is Joseph Zisk's NPI number?
- Joseph Zisk's National Provider Identifier (NPI) is 1770325508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Zisk's specialty?
- Joseph Zisk is listed in the NPPES registry with a primary specialty of Orthotist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Joseph Zisk located?
- Joseph Zisk's practice location on file with NPPES is 2418 W Cortland St Apt 3, Chicago, IL 60647-0456.
- What is Joseph Zisk's phone number?
- The practice phone number listed in the NPPES registry for Joseph Zisk is (434) 806-9903.
- Is Joseph Zisk's NPI active?
- Yes — Joseph Zisk's NPI (1770325508) is active in the NPPES registry as of the last update on 2024-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.