Zachary Radziszewski, CAA
NPI 1598591968 · Anesthesiologist Assistant · Madison, WI
Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Radziszewski, CAA is a Anesthesiologist Assistant provider in Madison, WI (NPI 1598591968).
Provider details
- NPI number
- 1598591968
- Entity type
- Individual
- Primary specialty
- Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CAA
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Anesthesiologist Assistant367H00000X
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 703 N Flamingo RdPembroke Pines, FL 33028-1006Phone: (954) 436-5000
- 3100 Weston RdWeston, FL 33331-3602Phone: (954) 659-5000
- 1755 Curie Dr Ste aEl Paso, TX 79902-2920Phone: (915) 577-1681
Registry dates
- Enumerated
- 2024-09-11
- Last updated
- 2026-06-02
- Certified
- 2026-06-02
Frequently asked questions
- What is Zachary Radziszewski's NPI number?
- Zachary Radziszewski's National Provider Identifier (NPI) is 1598591968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Radziszewski's specialty?
- Zachary Radziszewski is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zachary Radziszewski located?
- Zachary Radziszewski's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is Zachary Radziszewski's phone number?
- The practice phone number listed in the NPPES registry for Zachary Radziszewski is (608) 263-8100.
- Does Zachary Radziszewski accept Medicare?
- Zachary Radziszewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Radziszewski's NPI active?
- Yes — Zachary Radziszewski's NPI (1598591968) is active in the NPPES registry as of the last update on 2026-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.