Rajah Sundaram, MD
NPI 1922002724 · Cardiovascular Disease Physician · La Crosse, WI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rajah Sundaram, MD is a Cardiovascular Disease Physician provider in La Crosse, WI (NPI 1922002724).
Provider details
- NPI number
- 1922002724
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33917 (WI)
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
21 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
- 2005-06-09
- Last updated
- 2015-06-04
Frequently asked questions
- What is Rajah Sundaram's NPI number?
- Rajah Sundaram's National Provider Identifier (NPI) is 1922002724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajah Sundaram's specialty?
- Rajah Sundaram is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Rajah Sundaram located?
- Rajah Sundaram's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.
- What is Rajah Sundaram's phone number?
- The practice phone number listed in the NPPES registry for Rajah Sundaram is (608) 782-7300.
- Does Rajah Sundaram accept Medicare?
- Rajah Sundaram is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rajah Sundaram's NPI active?
- Yes — Rajah Sundaram's NPI (1922002724) is active in the NPPES registry as of the last update on 2015-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.