James Walder, MD
NPI 1134169238 · Cardiovascular Disease Physician · Rapid City, SD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Walder, MD is a Cardiovascular Disease Physician provider in Rapid City, SD (NPI 1134169238).
Provider details
- NPI number
- 1134169238
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 5040 (SD)
Specialties & taxonomies
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
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
- 2006-06-07
- Last updated
- 2013-01-03
Frequently asked questions
- What is James Walder's NPI number?
- James Walder's National Provider Identifier (NPI) is 1134169238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Walder's specialty?
- James Walder is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Walder located?
- James Walder's practice location on file with NPPES is 4150 Fifth Street, Rapid City, SD 57701.
- What is James Walder's phone number?
- The practice phone number listed in the NPPES registry for James Walder is (605) 399-4300.
- Does James Walder accept Medicare?
- James Walder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Walder's NPI active?
- Yes — James Walder's NPI (1134169238) is active in the NPPES registry as of the last update on 2013-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.