Leif Olson, MD
NPI 1235711052 · Family Medicine Physician · Litchfield, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leif Olson, MD is a Family Medicine Physician provider in Litchfield, MN (NPI 1235711052).
Provider details
- NPI number
- 1235711052
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 73430 (MN)
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
5 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 37 | 13 |
| Lisinopril | 37 | 15 |
| Omeprazole | 23 | — |
| Metoprolol Succinate | 17 | — |
| Amlodipine Besylate | 16 | — |
| Metformin Hclbrand: Metformin Hcl Er | 16 | — |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-21
- Last updated
- 2024-07-13
- Certified
- 2024-03-25
Frequently asked questions
- What is Leif Olson's NPI number?
- Leif Olson's National Provider Identifier (NPI) is 1235711052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leif Olson's specialty?
- Leif Olson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leif Olson located?
- Leif Olson's practice location on file with NPPES is 612 S Sibley Avenue, Litchfield, MN 55355-4913.
- What is Leif Olson's phone number?
- The practice phone number listed in the NPPES registry for Leif Olson is (320) 693-3233.
- Does Leif Olson accept Medicare?
- Leif Olson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leif Olson's NPI active?
- Yes — Leif Olson's NPI (1235711052) is active in the NPPES registry as of the last update on 2024-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.