Douglas Nelson, MD
NPI 1356331862 · Allergy & Immunology Physician · La Crosse, WI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Nelson, MD is a Allergy & Immunology Physician provider in La Crosse, WI (NPI 1356331862).
Provider details
- NPI number
- 1356331862
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30242 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2005-10-26
- Last updated
- 2021-08-09
- Certified
- 2021-08-09
Frequently asked questions
- What is Douglas Nelson's NPI number?
- Douglas Nelson's National Provider Identifier (NPI) is 1356331862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Nelson's specialty?
- Douglas Nelson is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Nelson located?
- Douglas Nelson's practice location on file with NPPES is 800 West Ave S, La Crosse, WI 54601-8806.
- What is Douglas Nelson's phone number?
- The practice phone number listed in the NPPES registry for Douglas Nelson is (608) 392-9881.
- Does Douglas Nelson accept Medicare?
- Douglas Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Nelson's NPI active?
- Yes — Douglas Nelson's NPI (1356331862) is active in the NPPES registry as of the last update on 2021-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.