IndividualActive
Seth Ahrendt, M.D.
NPI 1639565757 · Psychiatry Physician · Sioux Falls, SD
Seth Ahrendt, M.D. is a Psychiatry Physician provider in Sioux Falls, SD (NPI 1639565757).
Provider details
- NPI number
- 1639565757
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2019-00002 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
1400 W 22nd St
Sioux Falls, SD 57105-1554
Phone: (605) 322-5737
Street-level locationGet directions
Mailing address
4709 S Wildwood Cir
Sioux Falls, SD 57105-7122
Registry dates
- Enumerated
- 2015-04-15
- Last updated
- 2019-06-28
Frequently asked questions
- What is Seth Ahrendt's NPI number?
- Seth Ahrendt's National Provider Identifier (NPI) is 1639565757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seth Ahrendt's specialty?
- Seth Ahrendt is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Seth Ahrendt located?
- Seth Ahrendt's practice location on file with NPPES is 1400 W 22nd St, Sioux Falls, SD 57105-1554.
- What is Seth Ahrendt's phone number?
- The practice phone number listed in the NPPES registry for Seth Ahrendt is (605) 322-5737.
- Is Seth Ahrendt's NPI active?
- Yes — Seth Ahrendt's NPI (1639565757) is active in the NPPES registry as of the last update on 2019-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.