IndividualActive
Michael Fellner, PHD, ABPP
NPI 1720514367 · Community/Behavioral Health Agency · Sturgis, SD
Michael Fellner, PHD, ABPP is a Community/Behavioral Health Agency provider in Sturgis, SD (NPI 1720514367).
Provider details
- NPI number
- 1720514367
- Entity type
- Individual
- Primary specialty
- Community/Behavioral Health AgencyAgencies
- Credential
- PHD, ABPP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125 (SD)
Specialties & taxonomies
Agencies
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
1807 Williams St
Sturgis, SD 57785-1142
Phone: (605) 347-3003
Street-level locationGet directions
Mailing address
1807 Williams St
Sturgis, SD 57785-1142
Registry dates
- Enumerated
- 2017-05-02
- Last updated
- 2017-05-02
Frequently asked questions
- What is Michael Fellner's NPI number?
- Michael Fellner's National Provider Identifier (NPI) is 1720514367, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Fellner's specialty?
- Michael Fellner is listed in the NPPES registry with a primary specialty of Community/Behavioral Health Agency (Agencies).
- Where is Michael Fellner located?
- Michael Fellner's practice location on file with NPPES is 1807 Williams St, Sturgis, SD 57785-1142.
- What is Michael Fellner's phone number?
- The practice phone number listed in the NPPES registry for Michael Fellner is (605) 347-3003.
- Is Michael Fellner's NPI active?
- Yes — Michael Fellner's NPI (1720514367) is active in the NPPES registry as of the last update on 2017-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.