William Giese, PA-C
NPI 1255486080 · Physician Assistant · Saint Louis, MO
William Giese, PA-C is a Physician Assistant provider in Saint Louis, MO (NPI 1255486080).
Provider details
- NPI number
- 1255486080
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 102319 (MO)
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
19 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
- 2007-01-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Giese's NPI number?
- William Giese's National Provider Identifier (NPI) is 1255486080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Giese's specialty?
- William Giese is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Giese located?
- William Giese's practice location on file with NPPES is 1 Brookings Dr, Saint Louis, MO 63130-4862.
- What is William Giese's phone number?
- The practice phone number listed in the NPPES registry for William Giese is (314) 935-6666.
- Is William Giese's NPI active?
- Yes — William Giese's NPI (1255486080) 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.