Donald Knudson, MD
NPI 1356341010 · Surgery Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Knudson, MD is a Surgery Physician provider in Sioux Falls, SD (NPI 1356341010).
Provider details
- NPI number
- 1356341010
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2312 (SD)
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
- 2005-07-26
- Last updated
- 2008-05-09
Frequently asked questions
- What is Donald Knudson's NPI number?
- Donald Knudson's National Provider Identifier (NPI) is 1356341010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Knudson's specialty?
- Donald Knudson is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Knudson located?
- Donald Knudson's practice location on file with NPPES is 6110 S Minnesota Ave, Sioux Falls, SD 57108-2549.
- What is Donald Knudson's phone number?
- The practice phone number listed in the NPPES registry for Donald Knudson is (605) 328-8690.
- Does Donald Knudson accept Medicare?
- Donald Knudson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Knudson's NPI active?
- Yes — Donald Knudson's NPI (1356341010) is active in the NPPES registry as of the last update on 2008-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.