Gregory Wallick
NPI 1023993748 · Certified Registered Nurse Anesthetist · Valley Stream, NY
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Wallick is a Certified Registered Nurse Anesthetist provider in Valley Stream, NY (NPI 1023993748).
Provider details
- NPI number
- 1023993748
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 2072246 (NY)
Specialties & taxonomies
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
Under 1 yr in 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
- 2025-08-11
- Last updated
- 2025-08-11
- Certified
- 2025-08-11
Frequently asked questions
- What is Gregory Wallick's NPI number?
- Gregory Wallick's National Provider Identifier (NPI) is 1023993748, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Wallick's specialty?
- Gregory Wallick is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Wallick located?
- Gregory Wallick's practice location on file with NPPES is 900 Franklin Ave, Valley Stream, NY 11580-2145.
- What is Gregory Wallick's phone number?
- The practice phone number listed in the NPPES registry for Gregory Wallick is (516) 256-6000.
- Does Gregory Wallick accept Medicare?
- Gregory Wallick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Wallick's NPI active?
- Yes — Gregory Wallick's NPI (1023993748) is active in the NPPES registry as of the last update on 2025-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.