Brian Sowka, DO
NPI 1659834810 · Internal Medicine Physician · La Crosse, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Sowka, DO is a Internal Medicine Physician provider in La Crosse, WI (NPI 1659834810).
Provider details
- NPI number
- 1659834810
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 75215 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 63 | 26 |
| Pantoprazole Sodium | 47 | 20 |
| Mesalamine | 29 | — |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 20 | 20 |
| Prucalopride Succinatebrand: Motegrity | 15 | — |
| Sucralfate | 14 | — |
| Rifaximinbrand: Xifaxan | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,625 across 93 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-12
- Last updated
- 2022-07-01
- Certified
- 2022-07-01
Frequently asked questions
- What is Brian Sowka's NPI number?
- Brian Sowka's National Provider Identifier (NPI) is 1659834810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Sowka's specialty?
- Brian Sowka is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Sowka located?
- Brian Sowka's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.
- What is Brian Sowka's phone number?
- The practice phone number listed in the NPPES registry for Brian Sowka is (608) 782-7300.
- Does Brian Sowka accept Medicare?
- Brian Sowka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Sowka's NPI active?
- Yes — Brian Sowka's NPI (1659834810) is active in the NPPES registry as of the last update on 2022-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.