Gretchen Hartmann, LMFT
NPI 1588092084 · Marriage & Family Therapist · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Hartmann, LMFT is a Marriage & Family Therapist provider in Sioux Falls, SD (NPI 1588092084).
Provider details
- NPI number
- 1588092084
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- LMFT 1218 (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
12 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
- 2013-10-18
- Last updated
- 2013-10-18
Frequently asked questions
- What is Gretchen Hartmann's NPI number?
- Gretchen Hartmann's National Provider Identifier (NPI) is 1588092084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Hartmann's specialty?
- Gretchen Hartmann is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Gretchen Hartmann located?
- Gretchen Hartmann's practice location on file with NPPES is 2109 S Norton Ave, Sioux Falls, SD 57105-3730.
- What is Gretchen Hartmann's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Hartmann is (605) 334-2696.
- Does Gretchen Hartmann accept Medicare?
- Gretchen Hartmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Hartmann's NPI active?
- Yes — Gretchen Hartmann's NPI (1588092084) is active in the NPPES registry as of the last update on 2013-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.