J Thomas Larson, CRNA
NPI 1558687004 · Certified Registered Nurse Anesthetist · Rapid City, SD
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
J Thomas Larson, CRNA is a Certified Registered Nurse Anesthetist provider in Rapid City, SD (NPI 1558687004).
Provider details
- NPI number
- 1558687004
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- CR000811 (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
16 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
- 2010-04-08
- Last updated
- 2013-08-27
Frequently asked questions
- What is J Thomas Larson's NPI number?
- J Thomas Larson's National Provider Identifier (NPI) is 1558687004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is J Thomas Larson's specialty?
- J Thomas Larson is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is J Thomas Larson located?
- J Thomas Larson's practice location on file with NPPES is 353 Fairmont Blvd, Rapid City, SD 57701-7350.
- What is J Thomas Larson's phone number?
- The practice phone number listed in the NPPES registry for J Thomas Larson is (605) 719-1000.
- Does J Thomas Larson accept Medicare?
- J Thomas Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is J Thomas Larson's NPI active?
- Yes — J Thomas Larson's NPI (1558687004) is active in the NPPES registry as of the last update on 2013-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.