William Knudson, CRNA
NPI 1861467979 · Certified Registered Nurse Anesthetist · Saint Louis, MO
William Knudson, CRNA is a Certified Registered Nurse Anesthetist provider in Saint Louis, MO (NPI 1861467979).
Provider details
- NPI number
- 1861467979
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 154428 (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
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
- 2006-02-22
- Last updated
- 2008-02-26
Frequently asked questions
- What is William Knudson's NPI number?
- William Knudson's National Provider Identifier (NPI) is 1861467979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Knudson's specialty?
- William Knudson is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Knudson located?
- William Knudson's practice location on file with NPPES is 6420 Clayton Rd, Saint Louis, MO 63117-1811.
- What is William Knudson's phone number?
- The practice phone number listed in the NPPES registry for William Knudson is (314) 768-8442.
- Is William Knudson's NPI active?
- Yes — William Knudson's NPI (1861467979) is active in the NPPES registry as of the last update on 2008-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.