Gregory Olson, MD
NPI 1538130927 · Family Medicine Physician · La Crosse, WI
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Olson, MD is a Family Medicine Physician provider in La Crosse, WI (NPI 1538130927).
Provider details
- NPI number
- 1538130927
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036081064 (IL)
Specialties & taxonomies
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
- 2006-02-01
- Last updated
- 2009-03-16
Frequently asked questions
- What is Gregory Olson's NPI number?
- Gregory Olson's National Provider Identifier (NPI) is 1538130927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Olson's specialty?
- Gregory Olson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Olson located?
- Gregory Olson's practice location on file with NPPES is W5525 Southdale Dr, La Crosse, WI 54601-7147.
- What is Gregory Olson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Olson is (773) 671-2628.
- Does Gregory Olson accept Medicare?
- Gregory Olson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Olson's NPI active?
- Yes — Gregory Olson's NPI (1538130927) is active in the NPPES registry as of the last update on 2009-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.