William Gryniewicz, PA-C
NPI 1962488866 · Physician Assistant · Cleveland, OH
William Gryniewicz, PA-C is a Physician Assistant provider in Cleveland, OH (NPI 1962488866).
Provider details
- NPI number
- 1962488866
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- License
- 50-000984 (OH)
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
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
- 2005-12-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Gryniewicz's NPI number?
- William Gryniewicz's National Provider Identifier (NPI) is 1962488866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gryniewicz's specialty?
- William Gryniewicz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Gryniewicz located?
- William Gryniewicz's practice location on file with NPPES is 18697 Bagley Rd, Cleveland, OH 44130-3417.
- What is William Gryniewicz's phone number?
- The practice phone number listed in the NPPES registry for William Gryniewicz is (440) 816-8000.
- Is William Gryniewicz's NPI active?
- Yes — William Gryniewicz's NPI (1962488866) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.