OrganizationActive
Brennan Allergy Clinic Prof LLC
NPI 1932468154 · Allergy & Immunology Physician · Sioux Falls, SD
Provider details
- NPI number
- 1932468154
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Brian Brennan, Owner(605) 271-3500
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
5009 S Bur Oak Pl
Sioux Falls, SD 57108-2228
Phone: (605) 271-3500
Fax: (605) 271-8220
Street-level locationGet directions
Mailing address
210 N Broadway Ave
Miller, SD 57362-1414
Registry dates
- Enumerated
- 2012-05-08
- Last updated
- 2013-09-10
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.