William Varnum, CRNA
NPI 1740208479 · Certified Registered Nurse Anesthetist · Saint Louis, MO
William Varnum, CRNA is a Certified Registered Nurse Anesthetist provider in Saint Louis, MO (NPI 1740208479).
Provider details
- NPI number
- 1740208479
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 105653 (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
- 2006-07-18
- Last updated
- 2018-01-29
Frequently asked questions
- What is William Varnum's NPI number?
- William Varnum's National Provider Identifier (NPI) is 1740208479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Varnum's specialty?
- William Varnum is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Varnum located?
- William Varnum's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is William Varnum's phone number?
- The practice phone number listed in the NPPES registry for William Varnum is (314) 362-6973.
- Is William Varnum's NPI active?
- Yes — William Varnum's NPI (1740208479) is active in the NPPES registry as of the last update on 2018-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.