Gavin Nelson, MD
NPI 1831834266 · Psychiatry Physician · Sioux Falls, SD
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gavin Nelson, MD is a Psychiatry Physician provider in Sioux Falls, SD (NPI 1831834266).
Provider details
- NPI number
- 1831834266
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0671 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 74 | 13 |
| Trazodone Hcl | 55 | 13 |
| Clozapine | 49 | — |
| Escitalopram Oxalate | 43 | — |
| Olanzapine | 30 | — |
| Buspirone Hcl | 29 | — |
| Gabapentin | 27 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-29
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Gavin Nelson's NPI number?
- Gavin Nelson's National Provider Identifier (NPI) is 1831834266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gavin Nelson's specialty?
- Gavin Nelson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gavin Nelson located?
- Gavin Nelson's practice location on file with NPPES is 2400 W 49th St, Sioux Falls, SD 57105-6581.
- What is Gavin Nelson's phone number?
- The practice phone number listed in the NPPES registry for Gavin Nelson is (605) 312-8700.
- Does Gavin Nelson accept Medicare?
- Gavin Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gavin Nelson's NPI active?
- Yes — Gavin Nelson's NPI (1831834266) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.