Nicholas Westphalen
NPI 1316883937 · Certified Registered Nurse Anesthetist · Sioux Falls, SD
Nicholas Westphalen is a Certified Registered Nurse Anesthetist provider in Sioux Falls, SD (NPI 1316883937).
Provider details
- NPI number
- 1316883937
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 200670 (SD)
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
- 2026-04-27
- Last updated
- 2026-05-08
- Certified
- 2026-05-08
Frequently asked questions
- What is Nicholas Westphalen's NPI number?
- Nicholas Westphalen's National Provider Identifier (NPI) is 1316883937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Westphalen's specialty?
- Nicholas Westphalen is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nicholas Westphalen located?
- Nicholas Westphalen's practice location on file with NPPES is 1325 S Cliff Ave, Sioux Falls, SD 57105-1007.
- What is Nicholas Westphalen's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Westphalen is (605) 322-8000.
- Is Nicholas Westphalen's NPI active?
- Yes — Nicholas Westphalen's NPI (1316883937) is active in the NPPES registry as of the last update on 2026-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.