Margaret Sumption, LPC
NPI 1659138436 · Professional Counselor · Sioux Falls, SD
Margaret Sumption, LPC is a Professional Counselor provider in Sioux Falls, SD (NPI 1659138436).
Provider details
- NPI number
- 1659138436
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1178 (SD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2024-02-28
- Last updated
- 2024-02-28
- Certified
- 2024-02-28
Frequently asked questions
- What is Margaret Sumption's NPI number?
- Margaret Sumption's National Provider Identifier (NPI) is 1659138436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Sumption's specialty?
- Margaret Sumption is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Margaret Sumption located?
- Margaret Sumption's practice location on file with NPPES is 818 S Hawthorne Ave, Sioux Falls, SD 57104-4537.
- What is Margaret Sumption's phone number?
- The practice phone number listed in the NPPES registry for Margaret Sumption is (605) 310-7139.
- Is Margaret Sumption's NPI active?
- Yes — Margaret Sumption's NPI (1659138436) is active in the NPPES registry as of the last update on 2024-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.