Ralph Althouse, MD
NPI 1477636405 · Cardiovascular Disease Physician · La Crosse, WI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Althouse, MD is a Cardiovascular Disease Physician provider in La Crosse, WI (NPI 1477636405).
Provider details
- NPI number
- 1477636405
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD-45646 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 7320 216th St Sw Ste 210Edmonds, WA 98026-8006Phone: (425) 744-1777Fax: (425) 744-1790
Registry dates
- Enumerated
- 2006-10-23
- Last updated
- 2018-11-30
Frequently asked questions
- What is Ralph Althouse's NPI number?
- Ralph Althouse's National Provider Identifier (NPI) is 1477636405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Althouse's specialty?
- Ralph Althouse is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Althouse located?
- Ralph Althouse's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601.
- What is Ralph Althouse's phone number?
- The practice phone number listed in the NPPES registry for Ralph Althouse is (608) 782-7300.
- Does Ralph Althouse accept Medicare?
- Ralph Althouse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Althouse's NPI active?
- Yes — Ralph Althouse's NPI (1477636405) is active in the NPPES registry as of the last update on 2018-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.