IndividualActive
Megan Larson, RN
NPI 1588500599 · Ambulatory Care Registered Nurse · Tomah, WI
Megan Larson, RN is a Ambulatory Care Registered Nurse provider in Tomah, WI (NPI 1588500599).
Provider details
- NPI number
- 1588500599
- Entity type
- Individual
- Primary specialty
- Ambulatory Care Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 254209-30 (WI)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(53/100 index)
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
500 E Veterans St
Tomah, WI 54660-3105
Phone: (608) 372-3971
Street-level locationGet directions
Mailing address
918 Elm St
Mauston, WI 53948-1907
Registry dates
- Enumerated
- 2026-04-24
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Megan Larson's NPI number?
- Megan Larson's National Provider Identifier (NPI) is 1588500599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Larson's specialty?
- Megan Larson is listed in the NPPES registry with a primary specialty of Ambulatory Care Registered Nurse (Nursing Service Providers).
- Where is Megan Larson located?
- Megan Larson's practice location on file with NPPES is 500 E Veterans St, Tomah, WI 54660-3105.
- What is Megan Larson's phone number?
- The practice phone number listed in the NPPES registry for Megan Larson is (608) 372-3971.
- Is Megan Larson's NPI active?
- Yes — Megan Larson's NPI (1588500599) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.